Top-Voted Stories

A list of the stories live on the site voted 4.0+ stars (with 5+ votes).

1,637 stories found Sorted by votes Total word count: 19,130,514

Gold Star 234

The legend of Ben by TreborNawoc When Ben found out the things he could do with his body, he became very popular with all of his randy dormmates. 3 parts 5,841 words Added Jul 2021 Updated 7 May 2022 17k views 5.0 stars (205 votes) •Cock Growth•Cock Vore•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Hyper Cum•Public Orgasm•Multicock•Multihead•Multiarm•Multilimb•Replication•Body Parts in Strange Places•Stretchy•Inflation•Mouthcock•Selfcest•Shapeshifting •M/M/M/...

Life of Tre by TreborNawoc Tre has a wild body with lots of extras, which gets him a lot of attention—especially from his boyfriend, Ky. 5 parts 8,493 words Added Jun 2021 Updated 28 May 2022 8,183 views 5.0 stars (198 votes) •Huge Cock•Hyper Cock•Prehensile Cock•Public Orgasm•Extra facial features•Extra Mouths•Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Six Legs•Multipec•Multitongue•Stretchy•Transformation•Hyper Tongue•Tongue Growth •M/M

Sebastian by TreborNawoc Sebastian’s experiment to transform himself into a multi-hunk worked, and then some! He can’t wait to show off the results to his best friend, Gavin. 4 parts 8,673 words Added Dec 2021 Updated 19 Nov 2022 13k views 5.0 stars (186 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Extra Mouths•Multi-abs•Multi-balls•Multicock•Boytaur•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitorso•Muscle Growth•Increased Libido•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•First Time/Virgin•Infectious •M/M

Dylan by TreborNawoc Dylan and his extra-laden body are always hungry, so when his friend suggests an all-you-can-eat crawl he’s immediately on board. 6 parts 11k words Added Aug 2021 Updated 4 Jun 2022 15k views 5.0 stars (185 votes) •Huge Cock•Extra Mouths•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Replication•Stretchy•Belly Growth•Brothers•Selfcest•Vore•Absorption•Centaurs•Naga •M/M•M/M/M

The interview by TreborNawoc Brad is nervous about his job interview at MultiTours Resort, but the more he sees on site the more he likes—and they seem to like him, too. 2,166 words Added Oct 2021 5,722 views 5.0 stars (184 votes) •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Getting Taller•Plausible Size Difference•First Time/Virgin•Centaurs •M/M

Danny: Filming a star by TreborNawoc Danny’s special body makes filming a porn shoot extra-intense for everyone involved, the star included. 934 words Added Nov 2021 4,219 views 5.0 stars (181 votes) •Huge Cock•Extra Mouths•Multi-balls•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Vore •M/M/M/...

Rowan by TreborNawoc Rowan is excited about his upcoming 18th birthday and his life to come at uni with his best friend turned boyfriend. On the big day, though, a series of changes forces him to begin an entirely new kind of life. 2 parts 2,605 words Added Jan 2022 6,649 views 5.0 stars (175 votes) •Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Muscle Growth•Crotchhead•Transformation•Human to Animal/Anthro•Tentacle •M/M

Ezra by TreborNawoc At the doctors to get checked over, new multi Ezra runs into the hottest guy he’s ever seen. 1,369 words Added Jun 2022 2,433 views 5.0 stars (147 votes) •Extra Mouths•Multicock•Multiarm•Multileg•Multilimb•Three Legs •M/M

Fabian: Vore Day by TreborNawoc It’s the first Saturday of the month, and that means multi friends Fabian and Cole are resuming their epic rivalry: whoever swallows the most hunks by the end of the day gets to be on top for the celebnration afterwards. 3,171 words Added Jul 2022 2,740 views 5.0 stars (137 votes) •Huge Cock•Extra Mouths•Multicock•Multiarm•Multileg•Multilimb•Vore •M/M•M/M/M/...

Abyssus Abbey 2 by Pen Darke To protect himself from the devils who want to attack and change him, Tuco must enter the Abyss—little knowing what he will find there. 18 parts 132k words (#10) Added Feb 2021 Updated 23 Sep 2023 25k views 5.0 stars (80 votes) •Huge Cock•Hyper Cock•Prehensile Cock•Wings•Muscle/Strength•Anthro/Furry•Demons•Incubus/Succubus•Witch/Warlock/Wizard•Horror•Pagan gods•Supernatural•Complete •M/M•M/M/M/...

The solitary flesh by Mikeytron A pair of space mercenaries are dispatched to a strange alien world to guard the manufacture of a massive quantity of the medical and cosmetic wonderdrug SynthStem, which allows humans to reshape their bodies. In part one, the stage is set and the stakes are raised. 4 parts 24k words Added Sep 2022 Updated 8 Oct 2022 14k views 5.0 stars (78 votes) •Huge Cock•Other Mental Changes•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Gradual Change•Merging•Aliens•Space Travel•Complete•Set in the Future •M/M

Railway changes by TreborNawoc An extra encounter on a train. 1,468 words Added Oct 2022 2,115 views 5.0 stars (72 votes) •Huge Cock•Extra digits•Multicock•Four Legs•Multileg•Multilimb•Three Legs•Multitongue •M/M

Three is the magic number by TreborNawoc Evan is nervous on his first day teaching at a new school, worried about how different he looks, until a handsome colleague sets him at ease. 2,998 words Added Nov 2022 2,105 views 5.0 stars (66 votes) •Extra digits•Extra facial features•Extra Mouths•Multicock•Multileg•Multilimb•Three Legs •M/M

Encounter with a boytaur by TreborNawoc If you’re going to be stuck in an elevator, it might as well be with your super-hot boytaur office crush. 1,911 words Added Feb 2023 2,499 views 5.0 stars (47 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Transformation •M/M

Went wrong? by Bigmusclenm Jared can eat huge quantities of food without spoiling his hunky physique. His roommate, Martin, can’t help wondering if that applies to the extra-strength gainer powder he’s gotten his hands on. 5 parts 12k words Added Dec 2023 Updated 2 Mar 2024 18k views 5.0 stars (45 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Hyper Muscle•Immobility•Muscle Breast•Muscle Growth•Butt Growth•Belly Growth•Feeding•Getting Taller•Plausible Size Difference•Size Increase•Inflation •M/M

Drawn together by Johnny29 Mike and John were instantly compatible as friends, lovers, and workout buddies, especially since both yearned for superhero-like bodies. Good thing the mysterious offer to help them achieve their dreams came to both of them together. 7 parts 14k words Added Sep 2012 33k views 5.0 stars (43 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Size Increase•Hairless •M/M

The Dragonborn by TreborNawoc After an unexpected attack by local bullies on his eightteenth birthday, Xander finds himself in a dreamworld where he is offered a chance to be reborn. 2,658 words Added Feb 2023 4,263 views 5.0 stars (41 votes) •Cock Growth•Multi-abs•Multicock•Multiarm•Multilimb•Muscle Growth•Getting Taller•Size Increase•Tongue Growth•Destruction/Violence•Humiliation•Nonconsensual sex•Vore•Dragons •M/M

Stadium brew by BRK Three cousins at a football game down some concession-stand beer, and before long they’re in a deserted men’s room getting bigger and hairier and hornier for each other. 2 parts 11k words Added Nov 2023 Updated 13 Jan 2024 13k views 5.0 stars (41 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Increased Libido•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Incest•Alcohol •M/M/M•M/M/M/...

The Quadruped Society by TreborNawoc Josh is accepted into the ancient and prestigious University of St. Eligius where he learns that amid all of the various student clubs and societies is one devoted to members of the university community with certain differences from the rest of the student body. 10 parts 18k words Added Apr 2023 Updated 6 Jan 2024 4,126 views 5.0 stars (40 votes) •Huge Cock•Hyper Cum•Extra digits•Multicock•Four Legs•Multileg•Multilimb•Hair Growth/Getting Hairy•Tongue Growth •M/M

Magic throat by Harvey Church A size-obsessed Alpha male moves to Dallas for a new job. While searching for some new bottoms to dominate, he finds Perry, an over-eager bottom that brags about his “Magic Throat”. Seems like there’s more to that claim than anticipated. 7,506 words Added May 2022 15k views 5.0 stars (36 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Decrease•Dom/Sub •M/M

Miracle Grow Boys (Revised) by Bulklore Aiden and Jack are two new soccer recruits desperate to fit into a team of hung studs at their college. They resort to mysterious pills promising growth, but in ignoring the warnings they accidentally trigger more than they can handle. An old story revised by the author under a new name. 2 parts 11k words Added Jan 2024 Updated 13 Jan 2024 9,343 views 5.0 stars (34 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Increased Libido •M/M

The price by Mikeytron Anthony’s husband, Tom, has just turned 40, and is in despair that his body will never become what he wants it to be. Anthony feels powerless to help, until a mysterious entity gives him the opportunity to rewrite Tom’s past– but there is always a price. A dark but hopefully redemptive story about desperation, time travel, and love. 5 parts 19k words Added May 2022 Updated 18 Jun 2022 15k views 5.0 stars (34 votes) •Cock Growth•Other Mental Changes•Hyper Muscle•Immobility•Muscle Growth•Gradual Change•Retcon•Time Travel•Supernatural•Complete •M/M

Sexi-Phi by BRK Joining a frat turns out to be a big transition for Holden, especially given the way his body is reacting to all his extra-hot house-brothers. 9 parts 56k words (#57) Added Jun 2023 Updated 24 Feb 2024 29k views 5.0 stars (32 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Gradual Change•Getting Taller•Incest•Father/Son•Twins•Hyper Pheromones•Christmas •M•M/M

Acclimating by Dream Big Dealing with finding yourself unwillingly summoned into a fantasy-themed world as a fearsome, horned, and hung demon is, it turns out, mostly a matter of adjusting yourself to your new situation. 44 parts 43k words (#87) Added Mar 2020 Updated 19 Aug 2023 32k views 5.0 stars (30 votes) •Cock Growth•Huge Cock•Muscle/Strength•Pointy Ears•Transformation•Plausible Size Difference•Demons•Witch/Warlock/Wizard•Fantasy Realm•Shapeshifting •M/M•M/M/M

As you please by Ybara Montefiore Todd stumbles upon a training camp that offers him a guaranteed routine to make him grow, but he worries what the program might be hiding. 7 parts 13k words Added Aug 2022 Updated 1 Oct 2022 21k views 5.0 stars (30 votes) •Muscle Growth•Gradual Change•Getting Taller•Size Increase •M

Max’s morning wood by TreborNawoc Max makes a bet with his equally gifted boytaur brother about the size of his morning wood—only it’s a bit tougher to estimate when the wood in question is meansured in feet rather than inches. 1,444 words Added Apr 2023 3,200 views 5.0 stars (28 votes) •Huge Cock•Hyper Cock•Extra Mouths•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Incest•Brothers •M/M

Custom fit by HumbleBrag Adam’s family grows in unexpected ways after he reconnects with a childhood friend. 11 parts 15k words Added Aug 2022 Updated 8 Oct 2022 14k views 5.0 stars (27 votes) •Huge Cock•Muscle/Strength •M/M

Toy story by LenZelig During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen. 2 parts 6,947 words Added Jul 2002 31k views 5.0 stars (27 votes) •Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son•Twins•Androids/Cyborgs•Space Travel•Complete •M/M•M/M/M/...•t/t•M/t

What a little confidence can do by TheSizeKing Cory and Ian have been friends for years. They ended up going to separate colleges, and met up four years later. Both guys had gone through a lot of changes, but Cory had an extra surprise in store… 4 parts 12k words Added Feb 2020 28k views 5.0 stars (27 votes) •Cock Growth•Cock Shrinking•Cock Theft•Huge Balls•Huge Cock•Muscle Growth•Muscle Theft•Getting Taller•Size Increase•Dom/Sub •M/M

Dick note by Thorn Waking up from an odd dream, Forest awakens to find something is in his backpack. 6 parts 31k words Added Jan 2021 Updated 5 Jun 2021 24k views 5.0 stars (25 votes) •Cock Growth•Huge Cock •M/M

The alpha touch by Caliburn Young engineer Max has a good deed rewarded with a mysterious rune now tattooed to his wrist. Bestowed with the power to change the body of the men he touches, Max’s life and his friends’ change quite a bit. 15 parts 61k words (#49) Added Jan 2022 Updated 4 Nov 2023 91k views 4.9 stars (213 votes) •Cock Growth•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Suggestion•Hetero Sex•Dom/Sub•Nonconsensual change •M/M•M/F

Memories by TreborNawoc Tre is psyched. It’s his first day at uni, and he’s hoping to do well in his studies, make friends, and maybe encounter a few other multis like himself. The only thing he’s not sure about is meeting his roommate… 2 parts 5,460 words Added Sep 2021 Updated 2 Dec 2023 4,977 views 4.9 stars (187 votes) •Huge Cock•Prehensile Cock•Extra facial features•Extra Mouths•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Stacking•Plausible Size Difference•Hyper Tongue•Destruction/Violence•Vore •M/M

Brody by TreborNawoc After being transformed by Dylan, Brody and his boyfriend have some fun exploring his new body. 1,465 words Added Oct 2021 8,949 views 4.9 stars (186 votes) •Cock Growth•Huge Cock•Hyper Cock•Extra facial features•Muscle Growth•Stretchy•Vore •M/M

grUV by quickquezzed Friends go out clubbing by the water and make a hunky new friend, Brad, who likes to swim and looks great in just a red speedo. Brad has a secret that he hadn’t planned to show his new friend, but things soon get pleasantly out of hand. 5,910 words Added Nov 2017 43k views 4.9 stars (170 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Increase •M/M

The boarder by Mikeytron Atticus’s family has decided to rent the spare bedroom in their house. The new boarder turns out to be the sexiest hunk Atticus has ever seen. His life is about to change in a big way. A slow-boil coming-of-age muscle-growth romance set in the My Best Friend’s Muscles universe. 18 parts 86k words (#30) Added Feb 2023 Updated 24 Jun 2023 51k views 4.9 stars (141 votes) •Cock Growth•Cock Pumping•Huge Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Belly Growth•Feeding•Getting Handsomer•Gradual Change•Voice Deepening•Plausible Size Difference•Christmas•Thanksgiving•Valentine’s Day•Complete•Alcohol •M/M•M/M/M•M/M/M/...

Quentin by TreborNawoc Unexpectedly transformed by Dylan, newly stretchy Quentin has no idea what to do now. Fortunately Dylan has some ideas. 1,620 words Added Jul 2022 3,440 views 4.9 stars (137 votes) •Multi-abs•Stretchy•Transformation•Vore•Goo People •M/M

Becoming a family of their own by TreborNawoc It’s date night for Alex and Dylan, and Alex has plans to make the evening truly special. 6 parts 20k words Added Aug 2022 Updated 8 Oct 2022 6,154 views 4.9 stars (121 votes) •Huge Cock•Hyper Cock•Extra digits•Extra facial features•Extra Mouths•Multi-abs•Multi-balls•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Gradual Change•Transformation•Getting Taller•Hyper Tongue •M/M

Think bigger by MaxMorphs Mild-mannered Kyle gains an unexpected power over his hunky friends after they all enjoy a magic show during a fateful vacation in Vegas. 24 parts 57k words (#54) Added Jun 2022 Updated 20 May 2023 100k views 4.9 stars (113 votes) •Cock Growth•Huge Cock•Hyper Cum•Getting Dumber•Straight to Gay•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Size Increase•Suggestion•Dom/Sub•Hypnosis•Complete•Stories with Images •M/M

When Evan started growing by JuicyJ It’s a regular day at work for college senior Clint when all of a sudden a cute co-worker of his starts acting strange.  4 parts 33k words Added Mar 2023 Updated 6 Jan 2024 32k views 4.9 stars (83 votes) •Cock Growth•Muscle Growth•Increased Libido•Getting Taller•Size Increase•Bisexual•Hetero Sex •M•M/M•M/M/M•M/F•M/M/F

Casey’s mancock by BRK Undersized college student Casey develops a sudden need for a cock just big enough for people to know it’s there. And between his own skills and his unwitting roommate’s, he knows just how to make it happen. 13 parts 48k words (#74) Added Jul 2022 Updated 25 Mar 2023 46k views 4.9 stars (77 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Pec Fucking•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Getting Handsomer•Gradual Change•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•App•Nonconsensual change•Hyper Pheromones•Infectious•Hypnosis•Mind Control •M/M•M/M/M•M/M/M/...

Abyssus Abbey by Pen Darke Welcome to Abyssus Abbey… a place where monks study and summon demons in an attempt to prevent the Apocalypse. The demons are in the walls, listening to your words, your thoughts, your desires, and if you fall prey to any of the Twelve Temptations, you may find yourself changed in ways you may not have expected. The Abbey has always drawn and doomed those who seek power and knowledge, and if you’re lucky, you might find something else there: a change in your outlook, a surprising ability, a friend where no friend was expected, and even romance. But all pleasures come with a price, and sooner or later the devil will have his due. Come in. Join the damned. 17 parts 125k words (#14) Added Feb 2020 Updated 16 May 2020 28k views 4.9 stars (70 votes) •Self-suck•Multicock•Straight to Gay•Muscle Growth•Muscle/Strength•Belly Growth•Transformation•Size Increase•Anthro/Scaly•Demons•Incubus/Succubus•Ogres•Satyrs•Witch/Warlock/Wizard•Fantasy Realm•Horror•Pagan gods•Supernatural •M/M•M/M/M

5D Super User: Brandon by pkak2k12 Brandon finds out he has an unexpected gift the second he becomes 18. 11 parts 23k words Added Jan 2023 Updated 18 Mar 2023 30k views 4.9 stars (70 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Getting Taller•Size Increase•Retcon•Incest•Bisexual •t/t

The heart is a muscle by Mikeytron A muscle growth bildungsroman: shy small nerd meets his college roommate, who’s friendly, confident, and fucking huge. Growth occurs, both emotional and physical, over the course of their first year together. 6 parts 39k words Added Jun 2021 Updated 31 Jul 2021 31k views 4.9 stars (67 votes) •Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Gradual Change•Plausible Size Difference•Complete •M/M

The Body Builder by Greggrth Steve’s life is about to take a very strange turn when a supervillain called the Body Builder breaks into his lab and causes an accident. Will this be the origin story of a new hero’s rise to glory, or will it spell disaster for the heroes of the city when Super Dick causes all sorts of changes when he can’t control his not so little buddy… 16 parts 58k words (#53) Added Dec 2020 Updated 12 Aug 2023 70k views 4.9 stars (66 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Muscle•Immobility•Muscle Growth•Stretchy•Forced Growth•Size Increase•Lycra/Spandex•Rubber/Latex•Superhero/Supervillain •M/M•M/M/M

A real man by DoubleCream A douchey gym bro wakes up in another world, in another body. 6 parts 30k words Added Jan 2021 Updated 4 Mar 2023 39k views 4.9 stars (64 votes) •Cock Shrinking•Huge Balls•Huge Cock•Addiction•Straight to Gay•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Male Pregnancy•Plausible Size Difference•Size Decrease•Hairless•First Time/Virgin•Cock Cage•Dom/Sub•Nonconsensual change•Hyper Pheromones•Mind Control •M/M

Feeding a god by TreborNawoc A towering, man-devouring teen muscle god’s gotta eat—and someone’s got to supply the meals that make him grow.  3,050 words Added Dec 2022 9,149 views 4.9 stars (62 votes) •Cock Growth•Cock Vore•Multi-abs•Multicock•Multipec•Multitongue•Muscle Growth•Getting Taller•Plausible Size Difference•Vore •M/M•M/M/M

One more drop by MegaMaker A college water polo player, Rain, is having trouble keeping up with expectations after a lackluster swim season. Afraid of getting cut from his team, he finds a mystery serum that improve his performance. To his surprise it works and his improved performance gets the approval of his entire team and his coach and really attracts the attention of his friend River. Will the attention go his head? Will his team and coach find out? And… will there be any side effects caused by the use of the serum? 16 parts 48k words (#76) Added Mar 2023 Updated 20 May 2023 61k views 4.9 stars (62 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Public Orgasm•Multi-abs•Addiction•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Public Nudity•Man Scent•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Lycra/Spandex•Complete •M/M

An unexpected inflation by UberPump A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. 41 parts 99k words (#24) Added Apr 2020 Updated 10 Jun 2023 132k views 4.9 stars (61 votes) •Cock Growth•Cock Pumping•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Public Orgasm•Addiction•Straight to Gay•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•App•Nanotech•Incest•Brothers•Bisexual•Hetero Sex•Nonconsensual change•Bodily Fluids•Dildos/Toys•Infectious •M/M•M/M/M•M/M/F

Primal attraction by Mikeytron Two dedicated hardgainers have been noticing each other at the gym. Their paths finally cross, and they begin to change– subtly at first, but it won’t stay that way. 5 parts 12k words Added Jan 2022 Updated 19 Feb 2022 17k views 4.9 stars (58 votes) •Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Human to Animal/Anthro•Hair Growth/Getting Hairy•Werewolves•Supernatural•Complete •M/M

Ad man by FanTCMan Powerful ad exec Tucker needs the help of one of his reps, an amateur bodybuilder named Larry, to break into the sports and fitness market. Larry takes the initiative and offers to help a potential client test their new supplement, and the results aren't what Tucker or Larry expect. 8,642 words Added Dec 2003 87k views 4.9 stars (56 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Nonconsensual change•Infectious •M/M

Hulkster and Hoppy by Also Known As Jeremy “Hoppy” Hopkins and Alexander “The Hulkster” Hogan were best friends in high school, but at the twenty-year reunion, the Hulkster discovers what Hoppy has been up to all those years in-between. 23 parts 119k words (#16) Added Feb 2021 Updated 10 Jul 2021 31k views 4.9 stars (56 votes) •Cock Growth•Huge Cock•Muscle Growth•Man Scent•Increased Libido•Getting Handsomer•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Witch/Warlock/Wizard •M/M•M/M/M•M/M/M/...

One hot summer by BRK Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. 54 parts 119k words (#17) Added Jun 2019 Updated 25 Jun 2022 72k views 4.9 stars (54 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Twins•Selfcest•Nonconsensual change•Body Swap•Shared Body•Fourth of July•Gay Pride•Complete•Cannabis •M•M/M•M/M/M•M/M/M/...

The house by Writ Bro When Harry gets an inheritance he could have never dreamed of, he quickly realises his life is about to change. But the true extent of the changes will truly blow his mind. 15 parts 83k words (#31) Added Jan 2023 Updated 16 Mar 2024 33k views 4.9 stars (53 votes) •Cum Milking•Nipple Emissions•Transgender•Straight to Gay•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Dom/Sub•Restraints•Sex-Slave •M•M/M•M/M/M•M/M/M/...

The last month by Michverdun After a chance encounter in the forest, the youngest son of a monster-hunting family struggles with his last month being human. 4 parts 25k words Added Sep 2023 Updated 28 Oct 2023 9,884 views 4.9 stars (51 votes) •Hyper Muscle•Muscle Growth•Muscle/Strength•Muscle Worship•Hair Growth/Getting Hairy•Werewolves•Urban Fantasy•Supernatural•Complete •M•M/M

Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts 38k words Added May 2014 Updated 5 Jan 2019 57k views 4.9 stars (49 votes) •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...

Meat by Mikeytron You are what you eat. A horror story for Halloween. 5,527 words Added Oct 2021 13k views 4.9 stars (47 votes) •Cock Growth•Hyper Cock•Addiction•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Gradual Change•Halloween•Complete •NS

Porn can be healthy by Egi Zack is a healthy, horny young man who, like any other boy, likes to look at porn. Always one for novelty, Zack comes across the perfect website for him and his needs! 2 parts 8,693 words Added May 2017 Updated 19 May 2017 29k views 4.9 stars (45 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Social Media•Infectious •M

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts 79k words (#35) Added Nov 2020 Updated 27 Feb 2021 56k views 4.9 stars (42 votes) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•App•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Valentine’s Day •M/M•M/M/M

Moocows by Meddler Incs Cody's world is turned upside down when he is faced with a twisted coach and his followers. 11 parts 22k words Added Jan 2017 Updated 23 Sep 2023 46k views 4.9 stars (41 votes) •Huge Cock•Cum Milking•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Human to Animal/Anthro•Hair Growth/Getting Hairy•Nonconsensual change•Hypnosis•Mind Control•Complete •M/M/M/...

Make the fur fly by LordTronimator After a boy buys a custom-made fursuit based off his fursona and puts it on, his body begins to experience strange changes that only he seems to notice. 14 parts 22k words Added Aug 2020 Updated 6 Nov 2021 30k views 4.9 stars (40 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Public Nudity•Gradual Change•Transformation•Human to Animal/Anthro•Retcon•Nonconsensual change•Anthro/Furry •M•M/M

So you wanna be a hunk? by YellowJester The new game show So You Wanna Be a Hunk offers men down on their luck an opportunity to participate in various challenges to win the chance to improve their bodies and become hunks! 5 parts 21k words Added Mar 2023 Updated 17 Jun 2023 20k views 4.9 stars (39 votes) •Cock Growth•Ball Growth•Huge Cock•Nipple Emissions•Getting Dumber•Other Mental Changes•Straight to Gay•Muscle Growth•Public Nudity•Man Scent•Getting Handsomer•Voice Deepening•Getting Taller•Age Regression•Hair Growth/Getting Hairy•Hairless•Hyper Pheromones•Complete •M•M/M•M/M/M/...

Tell me about my boner by BRK The gag tee shirt with a provocative slogan seemed like a good idea when he’d ordered it during a late-night stroke session, but now that it’s here it seems intent on changing his life in ways he might not be ready for. 7 parts 20k words Added Oct 2019 Updated 3 Dec 2022 33k views 4.9 stars (39 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Multicock•Suggestion •M•M/M

The revisualizer by BRK A set of weird controls at the tiny cable TV broadcasting studio has a lot of increasingly exciting effects on the guy in the picture. 3 parts 11k words Added Oct 2012 Updated 8 Dec 2017 43k views 4.9 stars (38 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Nipple Emissions•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change •M/M

The Double B Ranch by Absman420 It’s been a while since we checked in with the Budd Brothers from “FanTCMan’s Toys”—let’s visit their Kansas Ranch where transformations and muscle growth are on the agenda. 9 parts 31k words Added Jan 2024 Updated 16 Mar 2024 15k views 4.9 stars (36 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Hair Growth/Getting Hairy •M/M

Resolutions by BRK Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. 13 parts 71k words (#41) Added Jan 2021 Updated 12 Feb 2022 38k views 4.9 stars (36 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Other Mental Changes•Hyper Muscle•Muscle Growth•Muscle/Strength•Increased Libido•Size Decrease•Size Increase•Tongue Growth•Retcon•Suggestion•Nonconsensual change•New Year’s Eve•Complete •M•M/M•M/M/M•M/M/M/...

Click bate by Dream Big Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… 26 parts 23k words Added Nov 2020 Updated 5 Mar 2022 29k views 4.9 stars (35 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Other Mental Changes•Increased Libido•Transformation•A.I.-Controlled Change•Dildos/Toys•Merging•Set during the Pandemic •M/M•M/M/M/...

From the files of the Magic Misuse Office by BRK High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. 6 parts 20k words Added Sep 2017 Updated 4 Sep 2021 19k views 4.9 stars (35 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Multitorso•Replication•Straight to Gay•Muscle Growth•Increased Libido•Transformation•Social Media•Incest•Twins•Selfcest•Merging•Witch/Warlock/Wizard •M/M•M/M/M

Growth drive by Musclesaber Jared is on his way to work when he stops by a shop that gives him everything he could’ve dreamed for how to grow bigger. Is it too good to be true? We will have to wait and see how giving people are towards a growing giant. 2 parts 7,668 words Added Mar 2024 Updated 16 Mar 2024 7,503 views 4.9 stars (35 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Butt Growth•Foot Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase•Dom/Sub•Stories with Images •M

Stories to tell in the dark by Thorn Sean discovers a book that is filled with some surprising stories. 2 parts 9,685 words Added Apr 2021 Updated 17 Apr 2021 18k views 4.9 stars (35 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle Gut•Butt Growth•Belly Growth•Voice Deepening•Getting Taller•Size Increase•Getting Fatter•Inflation

Coach Barker by Argenti Coach Travis Barker has a special gift, and when he shares this gift with Adam, change begins to unfold around them. 9 parts 19k words Added May 2019 Updated 15 Jun 2019 43k views 4.9 stars (34 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Increase•Infectious •M/t

Under control by MaxMorphs Rylan is enthralled as his roommate, Peter, seems to be growing all over—though Peter denies anything is happening, and no one else seems to notice either. 5 parts 22k words Added Apr 2020 Updated 8 Aug 2020 40k views 4.9 stars (34 votes) •Cock Growth•Huge Balls•Huge Cock•Nipple Emissions•Muscle Growth•Muscle/Strength•Butt Growth•Gradual Change•Getting Taller•Size Increase •M/M

Farmer’s boy by Hairymusclemorphs Working on a farm is never easy. But it won’t take long till you’re big enough to do the heavy lifting. 8,938 words Added Mar 2024 7,061 views 4.9 stars (32 votes) •Cock Growth•Ball Growth•Huge Cock•Man Scent•Voice Deepening•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Dom/Sub•Complete •M/M

The formula by hyperboi Mike begs his genius friend Jeff to try coming up with a cock growth formula. Jeff assumes Mike doesn’t want to look too small when he goes out for the swim team, but the secret truth is, Mike’s ambitions aren’t limited to his own junk. 4 parts 15k words Added Jan 2021 Updated 13 Feb 2021 27k views 4.9 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins •t/t•t/t/t...

Nobody’s perfect by Also Known As A psychologist prepares himself to meet the subject whose response to the enhancement drug was so intense that just to be near him is to risk erotic overload… a man known only as Twenty-Five. 9 parts 54k words (#66) Added Feb 2022 Updated 8 Jul 2023 36k views 4.9 stars (32 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Increased Libido•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hyper Pheromones•Infectious•Metabods 25 •M/M

Best birthday ever by TheSizeKing Zac is already above average. But when his birthday comes around, he gets everything he wishes for and then some. 5 parts 15k words Added Feb 2020 31k views 4.9 stars (31 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle/Strength •M/M

Joined by BRK Dylan wakes up kissing an incredibly beautiful man he’s never met before, and finds that he’s more connected to this man than any lover he’s ever had. 5 parts 23k words Added Sep 2017 Updated 6 Feb 2021 18k views 4.9 stars (31 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Multihead•Multitongue•Multitorso•Replication•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Selfcest•Nonconsensual change•Merging •M/M•M/M/M

Bloodpact by Michverdun Ash has been on the run for a while, with no end in sight. After finally finding a place to stay and meeting a man named Wyatt, Ash finds the answer to Wyatt’s problems: his own blood. 4 parts 21k words Added Feb 2023 Updated 25 Feb 2023 8,506 views 4.9 stars (30 votes) •Hyper Muscle•Muscle Growth•Muscle Worship•Destruction/Violence•Blood•Demons•Supernatural•Complete•Alcohol •M/M

The bubblebutt curse by Gato-Cat Picky Luke, who prefers bottom-heavy men, gets cursed so that every man he finds attractive grows a massive, sensitive bubble butt. 3,407 words Added Sep 2022 8,534 views 4.9 stars (30 votes) •Butt Growth•Inflation•Nonconsensual change •M/M

Pup frat by Newbie Pup At the behest of an old friend, Jack joins a frat and finds the initiation to be wilder than his growing- pup-filled dreams. 10k words Added Mar 2023 9,993 views 4.9 stars (30 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Other Mental Changes•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Always Shirtless•Belly Growth•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Getting Fatter•Inflation•Complete •M/M•M/M/M

Body game: Encounter 813 by BRK Reggie isn’t sure why the team-building get-together for the web design firm he’s working for is being held at an abandoned mall; he just knows he can’t get his sexy boss out of his mind. 9 parts 49k words (#73) Added May 2016 Updated 12 Jun 2021 41k views 4.9 stars (29 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Stretchy•Foot Growth•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Hyper Tongue•Tongue Growth•Mouthcock•Incest•Brothers•Selfcest •M/M•M/M/M

Anomalous Materials Research Facility 3‑DL by Mad Dog and Gurak Working with exotic materials on a distant research space station is all in a day’s work for Carter, a theoretical physicist and the sole mundane human in a crew of sexy (and sex-loving) creatures straight out of a very dirty fantasy novel. But when you work with stuff that scoffs at the laws of physics, normality can’t remain unbent forever. 6 parts 32k words Added Sep 2019 Updated 21 Mar 2020 25k views 4.9 stars (28 votes) •Cock Growth•Huge Cock•Hyper Cock•Multicock•Multihead•Multilimb•Male Pregnancy•Transformation•Size Increase•Anthro/Furry•Centaurs•Demons•Orcs •M/M•M/M/M

Mountainheart by BRK It’s 1999, and Glenn, until now kept from his heritage, uncovers what it means to be a Sheridan. Fortunately, he has his closest friend, Eamon, at his side. 13 parts 67k words (#45) Added Nov 2021 Updated 18 Nov 2023 23k views 4.9 stars (27 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hair Growth/Getting Hairy•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Anthro/Furry•Werebears•Werewolves•Supernatural•Shapeshifting•Complete•Alcohol •M/M

Old buds, new bods by CubGuySC Ryan recounts a life-changing episode (hair, teeth and growth included). 5,188 words Added Jul 2006 26k views 4.9 stars (27 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Human to Animal/Anthro•Hair Growth/Getting Hairy•Anthro/Furry •M/M

Tying the knot by DracumSum Mike got lost in the woods, during the night of a full moon. He heard a twig snap behind him. And now he’s got a new boyfriend. 4 parts 20k words Added Jan 2021 Updated 1 May 2021 18k views 4.9 stars (27 votes) •Cock Growth•Cum inflation•Muscle Growth•Transformation•Hair Growth/Getting Hairy•Anthro/Furry•Werewolves •M/M

The pinball machine by Thorn Tyler works at an arcade with a secret pinball machine that unveils itself for customers when it wants to be played with. 2 parts 12k words Added Jan 2021 Updated 13 Feb 2021 12k views 4.9 stars (26 votes) •Cock Growth•Huge Cock•Muscle Growth •M/M

The simulated universe by Thorn A group of men play a new board game that can simulate a “universe” where they play as trailblazers and are granted boons, which could lead to a few…enhancements. 6 parts 26k words Added Jul 2023 Updated 19 Aug 2023 12k views 4.9 stars (26 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Breast•Muscle Growth•Voluptuous Men•Butt Growth•Belly Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Inflation•Age Difference•Father/Son •M/M/M

The Body-Jack 9000 by The Gecko Rose A young man discovers the most incredible jackoff device ever, and he just can’t stop playing with it! 6 parts 6,176 words Added Feb 2018 Updated 30 Mar 2018 18k views 4.9 stars (25 votes) •Cock Growth•Self-suck•Multiarm•Multilimb•Merging •M/M

The double room by Tyler Wilson Tyler is confused to find two roommates listed for his double room at the university, but quickly finds that this new arrangement will work very well. 3 parts 7,922 words Added Jul 2017 Updated 2 Feb 2019 16k views 4.9 stars (25 votes) •Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Multitorso•Incest•Twins•Triplets•Merging •M/M•M/M/M

The Festival of Haasenpfaap by S. Q. Neemie Wes’s roommate Zeb ropes him into celebrating his family’s yearly autumn festival of Haasenpfaap. When Wes is inadvertently chosen as this season’s Haasenpfaapeer, Zeb and Wes have to figure out how to reverse the changes Wes experiences. 5 parts 27k words Added Dec 2022 Updated 24 Dec 2022 6,629 views 4.9 stars (25 votes) •Cock Body•Hyper Cum•Nipple Emissions•Multicock•Muscle Breast•Muscle Growth•Gradual Change•Getting Taller•Complete •M/M

The good freak by Also Known As Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... 33 parts 34k words Added Nov 2002 51k views 4.9 stars (25 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•Infectious•April Fool’s Day •M/M•M/M/M•t/t•t/t/t•M/t

Hey, buddy by Dream Big Ben’s high school crush, Charlie, resurfaces in his life after a mysterious incident at sea left him with a strange tattoo and a propensity for slow, inexplicable growth. 15 parts 15k words Added Oct 2019 Updated 8 Aug 2020 25k views 4.9 stars (25 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Transformation•Giants•Plausible Size Difference•Size Increase •M/M

Second sight by BRK Danny passes the time reimagining the guys that pass through his life, including the increasingly hot and hung delivery boys for the local take-out place. 3 parts 5,079 words Added Nov 2003 19k views 4.9 stars (25 votes) •Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Size Increase •M/M

The brothers by FanTCMan Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. 8 parts 23k words Added Mar 2003 115k views 4.8 stars (96 votes) •Always Hard•Cock Growth•Huge Cock•Addiction•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Hair Growth/Getting Hairy•Incest•Brothers •t/t•M/t

Molten wings by Mikeytron The old world is dying, and the new world struggles to be born; now is the time of monsters. 9,388 words Added Jun 2022 9,501 views 4.8 stars (67 votes) •Cock Growth•Huge Cock•Hyper Cock•Other Mental Changes•Hyper Muscle•Muscle Growth•Muscle/Strength•Gradual Change•Nonconsensual change•Nonconsensual sex•Demons•Supernatural•Mind Control•Complete •M/M

My best friend’s muscles by Mikeytron A group of horny gay researchers develop a new compound that allows unprecedented muscle growth. 5 parts 17k words Added Sep 2021 Updated 13 Nov 2021 35k views 4.8 stars (65 votes) •Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Gradual Change•Complete •M/M

Fortitude by BRK A starship full of hot young recruits gets marooned in a strange part of space that seems to have an augmenting effect on the crew, leaving the AI and the unexpectedly immune commander to try to get them free. 4 parts 15k words Added Aug 2009 Updated 3 Dec 2022 38k views 4.8 stars (53 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Space Travel •M/M•M/M/M/...

Musclove, Texas by Max Mann Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one). 9 parts 26k words Added Sep 2004 74k views 4.8 stars (51 votes) •Cock Growth•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins•Restraints •M/M•M/M/M•t/t•t/t/t•M/t

Don’t talk about me! by jewelbee What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? 3 parts 4,348 words Added Aug 2020 Updated 10 Jul 2021 19k views 4.8 stars (48 votes) •Public Orgasm•Straight to Gay•Belly Growth•Getting Fatter•Retcon•Suggestion•Incest•Father/Son•Nonconsensual change •M/M

The bodyguards by MaxMorphs Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. 9 parts 22k words Added Apr 2021 Updated 21 Aug 2021 49k views 4.8 stars (47 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Plausible Size Difference•Size Increase•Inflation•Incest•Brothers•Twins •M/M•M/M/M

A fucking god by Jerkoffcentral A teenager is both exasperated and incredibly turned on by how his body and everything about it seems to be getting freakier and freakier. 4 parts 11k words Added Mar 2019 Updated 8 Jul 2023 56k views 4.8 stars (46 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Size Increase•Incest•Brothers •M/M

That’s a really huge cock, bro by Luke B. Just a down and dirty story about one jock stud finding out his muscle-bound jock buddy is hung like a mule—and growing. 3,726 words Added Nov 2016 51k views 4.8 stars (46 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•All Dialog •M/M

Tiger troubles by Meddler Incs Greg hopes for big muscles from a new experimental growth hormone—only he’s not counting the side effects, or his new brothers in fur, muscle, and cock. 2 parts 5,763 words Added Dec 2014 Updated 2 Sep 2016 28k views 4.8 stars (46 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Anthro/Furry •M/M

Bull’s strength by muscl4life On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. 28 parts 88k words (#28) Added Jul 2018 Updated 6 Oct 2018 92k views 4.8 stars (45 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multi-abs•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Age Difference•Bestiality•Incest•Father/Son•Destruction/Violence•Infectious•Flying •M/M•M/M/M•M/M/M/...

A.I. by Corwin Tim’s homemade A.I. software decides to help him get huge. 11 parts 31k words Added Dec 2013 76k views 4.8 stars (44 votes) •Huge Cock•Cum Milking•Addiction•Hyper Muscle•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Destruction/Violence•Restraints•Androids/Cyborgs•Complete •M/M

The new guy by Also Known As A new employee causes pleasant though potentially cum-plicated problems. 8 parts 39k words Added Jun 2019 Updated 24 Jun 2023 41k views 4.8 stars (44 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cum•Addiction•Muscle Growth•Muscle/Strength•Getting Handsomer•Nonconsensual change•Infectious •M/M•M/M/M

Public relations by Maximilian When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. 18 parts 125k words (#13) Added Jun 2015 Updated 27 Apr 2019 68k views 4.8 stars (44 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Restraints•Witch/Warlock/Wizard•Gay Pride •M/M

Sean goes to prison by Joven After an ill-advised flirtation with vandalism, Sean ends up at a very strange detention center where you’re either milking the other prisoners with the oversized balls, or… you’re one of the ones being milked. 18 parts 28k words Added Aug 2017 Updated 18 Dec 2021 54k views 4.8 stars (44 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum Milking•Straight to Gay•Muscle Growth•Size Increase•Nonconsensual change•Restraints •M/M•M/M/M/...

A big year by Dancer Andy gets a big surprise when a fortune teller tells him he will have big gains this year. 4,316 words Added Mar 2018 25k views 4.8 stars (43 votes) •Cock Growth•Huge Cock•Immobility•Muscle Growth•Muscle/Strength•Gradual Change•Plausible Size Difference•Size Increase •M/M

The breakthrough by Gigantic Mr.B One lapse in concentration sets off an unstoppable chain of events for an 18-year-old lab intern, Ben. 5 parts 18k words Added Apr 2022 Updated 10 Sep 2022 33k views 4.8 stars (42 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Muscle•Hyper Strength•Muscle Growth•Butt Growth•Gradual Change•Getting Taller•Size Increase•Infectious •M/M

The Champion by Mikeytron A twist on the “be careful what you wish for” formula, regarding the history of an implausibly huge Mr. Olympia champion. 2 parts 10k words Added May 2021 Updated 22 May 2021 14k views 4.8 stars (38 votes) •Hyper Muscle•Muscle Growth•Muscle/Strength•Demons•Supernatural•Complete

True muscle god by mf81 An encounter with a strange artifact from the ancient Aegean leads Richard to a divine encounter. 3 parts 7,686 words Added Mar 2006 84k views 4.8 stars (38 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•First Time/Virgin•Pagan gods •M/M

Love/shift by BRK Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. 11 parts 68k words (#44) Added Dec 2017 Updated 27 Apr 2019 45k views 4.8 stars (37 votes) •Muscle Growth•Muscle/Strength•Always Shirtless•Man Scent•Gradual Change•Transformation•Size Increase•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Werebears•Supernatural•Complete •M/M

The power of suggestion by BRK On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. 1,878 words Added Feb 2009 47k views 4.8 stars (37 votes) •Cock Growth•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Size Increase•Retcon•Suggestion•Incest•Brothers•Twins•Selfcest•Complete

Touch by BRK Kevin goes to college where his gift for making guys he likes willing to casually touch him seems to intensify just as he’s moving in with his hunky older brother. 5 parts 31k words Added Mar 2019 Updated 10 Aug 2019 24k views 4.8 stars (36 votes) •Huge Cock•Other Mental Changes•Muscle/Strength•Always Shirtless•Incest•Brothers•Complete •M/M•M/M/M

Frat crisis by BRK Jacob returns to his frat after a week away to find it stinking of sex and full of guys a lot bigger than he remembered them being. 2 parts 5,217 words Added Jun 2022 Updated 2 Dec 2023 20k views 4.8 stars (35 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Straight to Gay•Pec Fucking•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Gradual Change•Voice Deepening•Hair Growth/Getting Hairy•Nonconsensual change•Infectious•Complete •M/M•M/M/M•M/M/M/...

It’s never enough by K. Theeunknown All Trent wants is companionship, until his inner size queen takes him down a deep rabbit hole. Will he ever be able to clean up the nearly uncontrollable mess he’s made? 3 parts 6,734 words Added Jan 2023 Updated 11 Mar 2023 24k views 4.8 stars (35 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Nipple Emissions•Addiction•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Gut•Butt Growth•Getting Taller•Forced Growth•Size Decrease•Size Increase•Hyper Anus •M/M

Days & Knights by iHeywood Bash wants to surprise his family by coming home from college for Thanksgiving early. But he gets a surprise himself. His dad is sucking his own massive cock. 3 parts 9,852 words Added Apr 2022 Updated 28 May 2022 11k views 4.8 stars (34 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Age Difference•Incest•Father/Son•Thanksgiving •M/M•M/M/M

A different kind of closeness by Salem Noctua When Liam found a suspicious e-mail that led him to an even more suspicious website, he didn’t know how to react... until he got to know the “special changes” that came with the site’s product. And who else would he test it with other than his best friend and roommate? 2 parts 25k words Added Jul 2022 4,437 views 4.8 stars (34 votes) •Multicock•Multihead•Multitorso•Nonconsensual change•Merging•Shared Body•Complete •M/M

Incubus by CentaurQuinn Ken discovers his friend with benefits is more than he seems, and might be a solution to a problem at work. 2,534 words Added Oct 2020 13k views 4.8 stars (34 votes) •Cock Growth•Wings•Hyper Muscle•Muscle Growth•Transformation•Getting Taller•Inflation•Infectious•Incubus/Succubus•Supernatural•Immortality•Shapeshifting •M/M

Second puberty by JayPat Finding out you’re a product of genetic engineering and about to go through your second puberty is shocking enough, but the unforeseen repercussions with school, family, and friends are what really change everything. 15 parts 91k words (#26) Added Sep 2012 81k views 4.8 stars (33 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Bisexual•Destruction/Violence•Hyper Pheromones

Christmas wish by Riu Two grown-up brothers follow their childhood tradition of waiting up for Santa. Only this time, after a few shots of special whiskey, a different kind of Christmas wish is granted. 3,925 words Added Dec 2016 28k views 4.8 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Christmas •M/M

Coach’s big surprise (Revised) by SomeMuscleGuy and MuscleMike Josh is struggling to keep up with the rest of his college wrestling team, and he’s afraid he will not make the cut. Luckily, a former student of his teacher, Coach Smith, is sent a package that’ll make them both become the men they’ve always dreamed of becoming—and more. 5 parts 18k words Added May 2023 Updated 29 Jul 2023 53k views 4.8 stars (32 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Public Orgasm•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Increased Libido•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Infectious•Complete •M/M•M/M/M

An airplane parasite by SomeMuscleGuy After bumping into the wrong person at the airport, Michael is infected with a parasite that was on its way to be destroyed. This parasite only has one goal in mind: Growth. Massive Growth. 4,977 words Added Oct 2022 28k views 4.8 stars (31 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Butt Growth•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Infectious•Aliens•Symbiotes •M

Freshman, fresh men by West Your best friend and secret crush is now your roommate during your freshman year of college. Both of your comfort levels with each other change when he emerges from the shower smelling fresher than ever, and also bigger each time. 7 parts 13k words Added Sep 2023 Updated 17 Feb 2024 22k views 4.8 stars (31 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Getting Taller•Size Increase•Retcon•Christmas•Valentine’s Day•Complete •M/M•M/M/M

Lycan-cock by Harvey Church After a late night drinking, Luka wakes up with a strange bite mark. He doesn’t think much of it until the moon comes out to awaken the beastly urges dwelling inside of him. 4,605 words Added Oct 2022 9,691 views 4.8 stars (31 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Self-suck•Cum Milking•Hyper Cum•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Transformation•Plausible Size Difference•Size Increase•Anthro/Furry•Werewolves•Halloween •M/M

The clockwork dial by RdyRoger A man finds what looks like a beat-up old pocket watch, but when he gets it working again he finds its intricate dials and mechanisms are actually designed to make other guys incrementally—like his roommate Gabe, for example. 3,603 words Added Apr 2012 27k views 4.8 stars (30 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Age Regression•Hair Growth/Getting Hairy

Mutant by Marquis de Rent Tom discovers that he is a mutant with the power to grow men that have sex with him. College jock Chris decides to take advantage of it. 4,202 words Added Oct 2016 53k views 4.8 stars (30 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Superhero/Supervillain •M/M

Summer research by spacevlad Dave, an ambitious researcher at a well-known university, hires an eager-to-grow football player to test an experimental growth supplement. The experimental growth supplement works much better than anticipated and Grunt gains over 50 pounds in just a week, though with some troubling side-effects. 12 parts 29k words Added Oct 2017 Updated 22 Dec 2017 56k views 4.8 stars (29 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Getting Dumber•Other Mental Changes•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Sex-Slave•Fourth of July •M/M

Visiting home by Wicked Asher spent his entire first semester working out and gaining some serious muscle, but when he returns home for winter break, he doesn’t realize that he’ll be the one amazed by how much someone can change. 2 parts 6,753 words Added Jan 2016 Updated 11 May 2016 42k views 4.8 stars (29 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son•Infectious •M/M

The biggest so far by MaxMorphs I’ve always been fascinated by big penises, ever since I can remember. And so it happened that after finding my first legendary dick, the titanic cocks just kept coming. It almost felt like I was destined to find and pleasure them. My luck is limitless. And so, apparently, are some guys’ dicks. Here are some stories of guys I’ve been with. 7 parts 7,872 words Added May 2022 Updated 27 May 2023 19k views 4.8 stars (28 votes) •Cock Growth•Cock Pumping•Huge Cock•Hyper Cock •M/M

Controlling Shayne’s body by Ballmeat My roommate Jack suddenly got an app that controls my body, and milked me of every drop of my cum by giving me the longest and most intense orgasm of my life. And it looks like this is just the beginning, and he intends to change my body in even more ways to come! 2 parts 4,810 words Added Nov 2022 Updated 3 Dec 2022 8,705 views 4.8 stars (28 votes) •Always Hard•Cock Shrinking•Hyper Cum•Increased Libido•App•Humiliation•Nonconsensual change •M/M

Cutting through by Peeda The story of a boy, a knife and a fantasy. 4 parts 5,776 words Added Dec 2015 Updated 25 May 2016 27k views 4.8 stars (27 votes) •Self-suck•Multilimb•Detachable•Transformation•Body Swap •M/M

Many hands massage by The Gecko Rose Handsome masseur Raph uses a variety of skills and techniques to give you the best massage possible. 5 parts 14k words Added May 2022 Updated 4 Jun 2022 4,829 views 4.8 stars (27 votes) •Cock Growth•Self-suck•Extra digits•Multi-abs•Multicock•Multihead•Multiarm•Multileg•Multilimb•Replication•Stretchy•Detachable•Selfcest•Shapeshifting •M/M

Blessing or curse by Ultra GMan John has something a lot of guys would kill for a cock that gets bigger when you have certain kinds of sex. But that’s not all it’s cracked up to be—and the change isn’t always for the better. 18 parts 50k words (#71) Added Jan 2012 68k views 4.8 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Dildos/Toys •M/M

No reason by MaxMorphs At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should. 3 parts 12k words Added Jan 2017 Updated 5 Nov 2022 48k views 4.8 stars (26 votes) •Huge Cock•Nipcocks•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Size Increase•Christmas •M/M

The blue smoothie by BRK Yuri, a personal trainer, is already having a rushed and stressful day when he meets his first client, a young nurse who looks like he’s never lifted so much as a paper clip. On top of that, the banana he grabbed from the stash at the gym’s juice bar to make his morning protein shake was blue for some reason. 3,238 words Added Jun 2020 15k views 4.8 stars (25 votes) •Cock Growth•Huge Balls•Other Mental Changes•Hyper Strength•Muscle Growth•Muscle/Strength•Suggestion•Superhero/Supervillain•Flying•Complete •M/M

I knew I had to stop by BRK That lotion that made my cock grow felt really good, and it’s really hard to stop using it—especially when it gets big enough to suck. 1,428 words Added Jan 2006 24k views 4.8 stars (25 votes) •Cock Growth•Huge Cock•Self-suck•Tongue Growth•Complete •M/M

Kyle’s himbo transformation by Joven Kyle goes on vacation with some friends, then starts to experience a few sudden and unexplained changes. 14 parts 19k words Added Nov 2021 Updated 25 Dec 2021 33k views 4.8 stars (25 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Straight to Gay•Pec Fucking•Muscle Growth•Butt Growth•Gradual Change•Dom/Sub•Nonconsensual change •M/M•M/M/M

The need to obey by Musiker An enormously large, muscular man has only one thing he wants out of life: to be a good boy for his master. He is searching for a new master to take him in when he finds someone who is willing to give him a try-out, and who is not turned off by his enormous balls and knee-length caged cock. 10 parts 56k words (#58) Added May 2019 Updated 20 Nov 2021 37k views 4.8 stars (25 votes) •Cock Shrinking•Huge Balls•Huge Cock•Nipcocks•Nosecock•Multicock•Multiarm•Multilimb•Gender Swap•Other Mental Changes•Straight to Gay•Muscle/Strength•Crotchhead•Body Parts in Strange Places•Stretchy•Butt Growth•Belly Growth•Foot Growth•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Hyper Tongue•Suggestion•Bisexual•Hetero Sex•Cock Cage•Dom/Sub•Sex-Slave•Rubber/Latex•Immortality •M/M•M/M/M

The new simulation game by hyperboi On a weekend home from college, while he’s waiting for his brother to come home (and avoiding his hateful dad and sneering stepmom), muscle nerd Simon screws around with a new sim game he’d lucked into beta-testing—a game that turns out to be a lot more realistic than he’d expected. 5 parts 10k words Added Mar 2016 30k views 4.8 stars (25 votes) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers

Mind and body by BRK Jack discovers that his knack for hypnosis is actually much more powerful than it should be. Naturally, he uses this to get the upper hand with his sexy jock brother, but that turns out to be a lot more complicated than he’d thought. 16 parts 66k words (#46) Added Jun 2012 Updated 28 Jul 2017 162k views 4.7 stars (103 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Taller•Size Increase•App•Suggestion•Incest•Brothers•Hypnosis•Mind Control •t/t•t/t/t•t/t/t...

Brother-in-law by Jock Ace, a Marine, meets and becomes enamored of his sister’s fiancé, Josh. A rare (for Metabods) tale with no alterations. 13k words Added May 2006 140k views 4.7 stars (99 votes) •Huge Cock•Muscle/Strength

Alpha House by NBCK99 A collection of young guys take part in a reality series where the action includes everyone spinning a wheel and getting random body changes. 3 parts 12k words Added Mar 2015 Updated 15 May 2015 56k views 4.7 stars (82 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hyper Pheromones

Gooed friends by Ziel The author, prompted to write about multi-limb and keen to indulge in his love for “slime boys,” offers a story rife with gooey fun, cute sappy young love, multi-limbs, consentacles and some mild muscle and junk growth for good measure. 5 parts 39k words Added Jul 2014 Updated 5 Jan 2018 47k views 4.7 stars (73 votes) •Cock Growth•Huge Cock•Multicock•Multilimb•Size Increase•Goo People•Tentacle•Halloween•Shapeshifting •M/M

Shift by NBCK99 At first there were only a few of those abnormally tall, wildly muscular, huge-cocked, boner-inducing half-naked guys, encountered here and there on a train, in a mall, a demigod amidst the chaff. That was at first. 5 parts 14k words Added Jul 2014 Updated 30 Mar 2016 40k views 4.7 stars (61 votes) •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Muscle Growth•Muscle/Strength•Plausible Size Difference•Retcon •M/M•M/M/M

Bottom mega-alfa by Jerkoffcentral Lit prof Jonas has been lusting after the exceptionally muscular students on his prep school survival outing, but even more after the massive gym teacher Noah, who’s so alpha he has trouble controlling just how massive he is—especially when he’s aroused by an admirer’s obsessive lust. 8 parts 22k words Added Nov 2014 Updated 22 Dec 2017 75k views 4.7 stars (60 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Dom/Sub•Nonconsensual change•Werewolves •M/M

American giants by Jonathan Banner Johnny is introduced into a world of big men who are growing enormous cocks. 6 parts 27k words Added Jan 2015 49k views 4.7 stars (55 votes) •Cock Growth•Huge Cock•Foot Growth •M/M•M/M/M

The blue banana by BRK Mike unknowingly eats an artifact of the universe. 3,507 words Added Jan 2015 40k views 4.7 stars (53 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Increase•Suggestion•Complete •M/M

The dudes by BRK The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. 7 parts 16k words Added Mar 2010 Updated 2 Mar 2016 128k views 4.7 stars (48 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Multi-abs•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Plausible Size Difference•Size Increase•Tongue Growth•Retcon•Suggestion•Brothers•Hyper Pheromones •t/t•t/t/t•t/t/t...

At the cafeteria by BRK Jordan meets up with his friends at the cafeteria very late one night before midterms. They end up making a game of passing around Ethan’s ancient-recipe birthday liqueur and telling strange rumors about each other, with some unintended consequences. 3 parts 8,362 words Added Jun 2015 31k views 4.7 stars (43 votes) •Cock Growth•Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Getting Handsomer•Retcon•Suggestion•Infectious•Immortality •M/M•M/M/M

Flashmob by BRK Jacob receives a strange camera that has an unexpected effect when he takes a picture of his hunky roommate, Keith, with whom he’s become increasingly smitten. 12 parts 50k words (#70) Added Mar 2015 Updated 30 May 2020 37k views 4.7 stars (43 votes) •Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Taller•Selfcest •M/M•M/M/M

Andy finds Cockr gives and takes away by Clearlyhere Andy has mixed feelings about his experience with the Cockr App. He discusses it with his friend Bill. Bill comes up with a plan that is mutually beneficial. 5 parts 14k words Added Oct 2017 Updated 1 Jun 2019 37k views 4.7 stars (42 votes) •Cock Growth•Cock Shrinking•Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•App•Dom/Sub •M/M•M/M

Jock bros by John Perrot Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow… 4,800 words Added Feb 2021 31k views 4.7 stars (42 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Complete •t/t

Ben’s escapades by Kaelan Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? 9 parts 34k words Added Feb 2018 Updated 15 Jun 2018 60k views 4.7 stars (41 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •M/M•M/M/M

Bending the straight boys by iciss At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. 2 parts 11k words Added Jan 2008 74k views 4.7 stars (39 votes) •Cock Growth•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•First Time/Virgin•Incest•Brothers•Twins•Nonconsensual change•Infectious •M/M•M/M/M

Changing Nick by BRK Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies. 18 parts 70k words (#42) Added May 2013 Updated 16 Jul 2022 117k views 4.7 stars (39 votes) •Always Hard•Cock Growth•Huge Cock•Nipcocks•Multi-abs•Multicock•Multihead•Lots of Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitorso•Replication•Stacking•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Getting Handsomer•Getting Taller•Size Increase•Tongue Growth•App•Retcon•Selfcest•Nonconsensual change•Merging•Witch/Warlock/Wizard•Invisibility •M/M•M/M/M•M/M/M/...

Modern rites by red_king Matt’s life changes forever when he receives divine investiture from an old fertility god, fallen from the pantheon, in exchange for his devotion and cooperation in finding more followers. At first it sounded like work, but soon he’s having too much fun to care. 16 parts 47k words (#79) Added Dec 2018 Updated 4 Jun 2022 38k views 4.7 stars (38 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Pec Fucking•Muscle Breast•Muscle Growth•Butt Growth•Getting Handsomer•Transformation•Plausible Size Difference•Size Increase•Destruction/Violence•Restraints•Pagan gods•Supernatural•Immortality•Hyper Anus •M/M•M/M/M

Domination by dunnyboy Jay's already growing submission to Chris escalates dramatically as Chris reveals he's been taking injections that will turn him into the ultimate muscle fantasy. But Chris won't be the only one affected. 17k words Added Feb 2017 49k views 4.7 stars (37 votes) •Cock Growth•Huge Cock•Hermaphrodite•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Hair Growth/Getting Hairy•Dom/Sub •M/M

A few minor adjustments by Cris Kane Geeky freshman Ryan is given a camera with special selfie-editing options that Instagram hasn’t thought of yet. As Ryan adjusts to his modified body, he then applies the camera’s effects to his jerk of a roommate, leading to all sorts of complications and an unexpected encounter with his roommate’s bro buddy Shiloh. 4 parts 20k words Added Oct 2014 34k views 4.7 stars (36 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Size Increase •M/M

Collarbone cock by BRK Nick’s new Picthread page is nothing but pictures of guys whose cocks reach up to their collarbones. Funny thing is, they’re not morphs at all, despite what Nick’s roommate thinks. Or, rather, used to think. 2,189 words Added Apr 2013 35k views 4.7 stars (35 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Muscle/Strength•Retcon•Social Media •M/M•M/M/M

Grow lamp by Dream Big The old lamp and light bulb Jeremy found at a flea market turn out to have some unexpected side-effects—effects that Jeremy’s lifelong best friend Tom can’t fail to notice. 10 parts 14k words Added Jun 2018 Updated 29 Jun 2018 36k views 4.7 stars (35 votes) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

Coffee coffee by NBCK99 The employees at the campus’s hottest coffee shop seem to be getting sexier… and so are the customers. 2 parts 5,251 words Added Dec 2010 36k views 4.7 stars (34 votes) •Always Hard•Cock Growth•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Taller•Size Increase •M/M•M/M/M

Evolving friendship by Yoru Preston and David were bros for life until David began taking a secretive treatment that has made him bigger, stronger, and more aggressive. Preston wants to save their friendship, but David has changed and may have to force Preston to accept that. 3,861 words Added Oct 2020 12k views 4.7 stars (34 votes) •Cock Growth•Cock Shrinking•Straight to Gay•Muscle/Strength•Man Scent•Dom/Sub•Humiliation •M/M

Mimbo drops by Absman420 Tom receives a secret serum that turns men into horny, dumb, huge-cocked muscle hunks. He decides to try it out on his bicycling buddy Sam, and discovers it’s extremely effective—especially in multiple doses. 2 parts 14k words Added Jul 2011 58k views 4.7 stars (34 votes) •Cock Growth•Huge Cock•Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation•Nonconsensual change•Nonconsensual sex•Mind Control •M/M

The problem with patrons by SpaceWerewolf Levi’s desperation to find someone who’ll help him grow attracts the attention of demons with their own motives for him. A story of love, lust and growth inspired by “Molten Wings” and other works of Mikeytron. 13 parts 68k words (#43) Added Jul 2023 Updated 30 Sep 2023 13k views 4.7 stars (34 votes) •Hyper Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle Worship•Gradual Change•Transformation•Hyper Tongue•Destruction/Violence•Blood•Nonconsensual change•Demons•Werewolves•Supernatural•Complete •M•M/M•M/M/M/...•M/M/M/...

Matched pairs by Jerkoffcentral Peter becomes infected, not just with growth, but with a need for more strength and size. 14 parts 42k words (#95) Added Oct 2013 Updated 22 Jun 2016 63k views 4.7 stars (33 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•First Time/Virgin•Incest•Brothers•Bisexual•Hetero Sex •M/M•M/M/F

His cock gets huge by Jack Hardwood Male model Pietro washes up on a remote island inhabited by a society of men where everyone wants their cock to be as big and fat as humanly possible. Pietro just wants to go home, but his almost constant boner is getting bigger and bigger, and he doesn’t know how much longer he’ll be able to walk. 8 parts 15k words Added Dec 2017 Updated 13 Apr 2018 51k views 4.7 stars (32 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Increased Libido •M/M

Magic numbers by YellowJester When everything your roommate says starts coming true, math class can get a lot more fun. 2,406 words Added Apr 2022 12k views 4.7 stars (32 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Getting Taller•Retcon•Suggestion •M/M•M/M/M

My new favorite app, Cockr by Clearlyhere John is out of money and finds out about new app where his huge endowment could make him some serious cash. 5 parts 14k words Added Jun 2017 Updated 15 Sep 2017 39k views 4.7 stars (32 votes) •Cock Shrinking•Cockless•Huge Cock•Muscle/Strength•Butt Growth•Detachable•App•Dom/Sub•Body Swap

Double trouble by NBCK99 Caleb is really into how hot identical twins are. His roommate decides to help him out a little. 4,088 words Added May 2015 14k views 4.7 stars (31 votes) •Retcon•Incest•Twins •M/M

Dr. Engorgio by TheSizeKing A doctor known for growing his patients lets his fantasies run wild with a new client, Nick. 6 parts 11k words Added Aug 2019 Updated 7 Sep 2019 24k views 4.7 stars (31 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength •M/M

Body game by BRK In an experimental story based on changes generated randomly by a computer program, the already well built Marcus is invited to a warehouse where he and four others play a strange game that, turn by turn, makes their bodies randomly freakier and freakier. 13k words Added Aug 2014 33k views 4.7 stars (30 votes) •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Size Increase•Mouthcock•Selfcest•Complete •M/M

Truth to tell by BRK There are way too many temptations involved when the things you say about people around you come true—especially when you fall in lust with the hot guy in the next dorm room. 3 parts 9,610 words Added Feb 2012 Updated 1 Jun 2018 35k views 4.7 stars (30 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Suggestion•Complete

Big changes by Ziel Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. 15 parts 79k words (#36) Added Dec 2013 Updated 16 Dec 2023 104k views 4.7 stars (29 votes) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M

Enchanted growth by NBCK99 When Andrelle’s questing companions succeed in finding a magical dagger, he discovers just why the artifact is so desirable. 5 parts 18k words Added Apr 2015 Updated 27 Oct 2015 44k views 4.7 stars (29 votes) •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Fantasy Realm •M/M•M/M/M

The hulk pill by JayPat The only thing weirder than your buddy Boz offering you a “hulk pill” would be for it to actually work. 5 parts 29k words Added Oct 2012 98k views 4.7 stars (29 votes) •Cock Growth•Huge Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Size Increase•Nanotech•Destruction/Violence•Infectious•Complete •t/t

The bet by JayPat Brandon can't believe that Derek isn't into the muscles of their fellow students like he and Peter are, and he ends up betting Peter that he'll get Derek obsessing about muscle by graduation. 4 parts 32k words Added Oct 2012 43k views 4.7 stars (28 votes) •Muscle Growth•Muscle/Strength•Size Increase•Suggestion •t/t

Dad’s gift by John Y. For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. 4,994 words Added Mar 2004 52k views 4.7 stars (28 votes) •Cock Growth•Huge Cock•Age Difference•Incest•Father/Son

Gettin’ merged by Jefftaur Roommates and friends Mark and Eric are told their dorm is too small for the both of them. Thankfully, they have a solution. 3,207 words Added Aug 2009 21k views 4.7 stars (27 votes) •Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Merging •M/M

Greg and Jesse by BRK Greg and Jesse are already pretty close. But the addition of a little premium weed combined with a video chat session makes them even closer. 3 parts 6,991 words Added Mar 2009 Updated 5 Jan 2018 32k views 4.7 stars (27 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Replication•Stacking•Brothers•Selfcest•Merging•Cannabis •t/t•t/t/t

The e-journal by hyperboi Tyler’s birthday is not going well: no one can come, not even his parents, and his big brother is being an obnoxious bully as usual. Plus he’s horny as heck. At least his best friend gave him a gift: an e-journal. He decides to write in it not about the way things are, but the way he wants things to be. 3,597 words Added Jul 2018 19k views 4.7 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Multi-balls•Multicock•Muscle Growth•Muscle/Strength•Retcon•Incest•Brothers•Nonconsensual change

The engineer by Galpha567 A captive in a hidden lab is made to experience wonderful augmentations to his body by a phallically-obsessed engineer. 2 parts 7,147 words Added Jan 2013 Updated 31 Dec 2013 27k views 4.7 stars (26 votes) •Nipcocks•Nipple Emissions•Multicock•Mouthcock•Restraints •M/M

Gym parasite by Aphon When a failed experimental piece of parasite goop finds itself in a gym, it must spread itself quickly or die. Its means of transmission has some huge side effects, whether you like it or not… 1,711 words Added Dec 2019 22k views 4.7 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Straight to Gay•Nonconsensual change•Infectious •M/M

The minotaur equation by LeatherGryphon After Dale rewrites his DNA to become a hugely muscled, hugely hung minotaur, he discovers he hadn’t thought through his transformation. 7 parts 16k words Added Jul 2014 33k views 4.7 stars (26 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Human to Animal/Anthro•Infectious•Anthro/Furry •M/M

Novus homo by BRK An FBI agent interrogates an uncommonly attractive young man caught hiding during a trafficking raid. Is he a victim, a coconspirator, or something else entirely? 4 parts 8,483 words Added Jan 2024 4,338 views 4.7 stars (26 votes) •Huge Cock•Replication•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Nanotech•Age Difference•Nonconsensual change•Complete •M/M

The perfect fit by TheSizeKing When someone can grow you to whatever size you want, make sure they know how big you want to be. Otherwise things can go a little overboard. 5 parts 14k words Added Jun 2020 Updated 22 Aug 2020 25k views 4.7 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Gay Pride •M/M

The radiation zone by SomeMuscleGuy After going off the beaten path to explore an abandoned military base, Alex is involved in an incident that leaves him contaminated with radioactive material, and he won’t stop growing until he escapes. 3,606 words Added Aug 2022 15k views 4.7 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Butt Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Nonconsensual change•Infectious •M

Bull’s gene by Opin Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectation. 8 parts 12k words Added Aug 2020 Updated 15 Oct 2022 42k views 4.7 stars (25 votes) •Always Hard•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Nipple Emissions•Public Orgasm•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Getting Taller•Giants•Plausible Size Difference•Size Increase •M/M

Curses and consequences by BRK Reading this story is a bad idea, but you can’t resist now that you know it’s cursed. 1,456 words Added Sep 2021 12k views 4.7 stars (25 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Always Cumming•Hyper Cum•Multi-abs•Multiarm•Multilimb•Addiction•Increased Libido•Gradual Change•Getting Taller•Retcon•Social Media•Supernatural•Complete

Dude cums and cums and cums by Justusboys 2,827 words Added Apr 2011 40k views 4.7 stars (25 votes) •Hyper Cum

Say cheese and grow by hyperboi When Greg and his friends take a picture of themselves using a creepy camera, the resulting image shows them wildly transformed in different ways. They just think it’s a weird glitch, until it slowly starts becoming true. 13 parts 29k words Added Nov 2013 41k views 4.7 stars (25 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •t/t•t/t/t

All good things by Anon Amon After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. 111 parts 132k words (#9) Added Feb 2017 Updated 29 Oct 2022 225k views 4.6 stars (147 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Nipple Emissions•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers•Twins•Infectious•Pagan gods•Complete •M/M•M/M/M

Above average by Ziel Alan starts out as just your average college boy. Then a strange, magical artifact comes into his life, and he starts becoming bigger… almost remembering the ways things were, when his muscles and cock weren’t, with each orgasm, more and more above average. As the effects spread, Alan knows he must understand what’s happing to him and his friends—and also that he must be the biggest, most muscular, most hypercocked stud of all. 28 parts 130k words (#11) Added Apr 2013 Updated 8 Dec 2018 285k views 4.6 stars (107 votes) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Hyper Muscle•Muscle Growth•Muscle/Strength•Public Nudity•Butt Growth•Retcon •M/M•M/M/M•M/M/M/...

Max’s wish by Bulge101 Scrawny Max uses his wish-power to make himself worthy of the extremely hot bully he has a crush on, but his friend Bobby deserves his help, too, and soon lots of changes start happening at school and at home. 11 parts 25k words Added Aug 2011 Updated 2 Nov 2011 314k views 4.6 stars (83 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Infectious •M/M•M/M/M

Magnetic magic by Squidy Josh discovers his new roommate, Jack, has a powerful effect on him—especially his cock. 6 parts 13k words Added Dec 2014 Updated 30 Sep 2016 46k views 4.6 stars (60 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

Humbled by the himbo by MegaMaker Austin likes to sleep around and his preferred choice of men are the biggest, dumbest, strongest guys he can find. He’s been doing this his whole life adding notches to his belt. His goal is to sleep with a jock from every sport. To him, Riley is three birds with one stone: diver, swimmer, and polo player. What he doesn’t realize is just how different being with Riley will be for him. 9 parts 22k words Added Feb 2024 Updated 2 Mar 2024 9,461 views 4.6 stars (51 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Hyper Strength•Immobility•Muscle/Strength•Muscle Worship•Lycra/Spandex•Complete•Set in the Future •M/M

Boyfriend destroys my cock by Steve McMoon Sometimes having a big cock isn’t nearly as important as your hot dominant boyfriend taking your size away from you. 1,630 words Added Feb 2020 21k views 4.6 stars (44 votes) •Cock Growth•Cock Shrinking•Dom/Sub

Skin tight by Dream Big Mark has big brains, but a big body? Not so much. So he decides to bend his gray matter toward a high-tech A.I.-assisted body suit that will help him achieve the kind of body he dreams about. 23 parts 38k words Added Apr 2019 Updated 3 Oct 2020 50k views 4.6 stars (43 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Hyper Tongue•A.I.-Controlled Change•Nanotech•Nonconsensual change•Hyper Pheromones •M/M

The biggest dick by Ziel "For this month’s Patreon story, someone suggested I try a story about someone whose cock begins growing, but unlike in other stories, the dude’s elation slowly gives way to apprehension as his schlong exceeds the idyllic porn-star cock and slowly grows into a massive, mega-dong." 5,550 words Added Dec 2014 43k views 4.6 stars (41 votes) •Cock Growth•Hyper Cock•Muscle/Strength •M

The new job by hyperboi Out-of-work engineer Jake takes a job at an isolated mansion, where he’s overpaid for just guarding a gate and letting through mysterious trucks. He and his coworkers are getting slowly bigger and hornier, too, and all this seems really great except for a certain nagging doubt—and a terrifying warning from the hugest of his fellow guards. 8 parts 20k words Added Aug 2014 39k views 4.6 stars (41 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Muscle Growth•Muscle/Strength•Gradual Change•Size Increase•Incest•Brothers •M/M

Frank’s gym by Writ Bro Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. 7 parts 22k words Added May 2014 Updated 6 Mar 2015 57k views 4.6 stars (38 votes) •Cock Growth•Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Sex-Slave•Dildos/Toys •M/M•M/M/M

Not just imagination by DarkDjin Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it. 2 parts 11k words Added Jun 2014 Updated 5 Jul 2014 41k views 4.6 stars (38 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Suggestion•Age Difference•Incest•Father/Son

Naked by Also Known As Dave’s new dorm roommate, Lance, is naked. Always, constantly, deliciously naked. He’s also, huge, hung, and constantly horny. But what really changes everything is the unexpected effect that Dave has on Lance—and what Lance does to Dave. 10 parts 39k words (#99) Added Jun 2016 51k views 4.6 stars (37 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Public Nudity•Plausible Size Difference•Size Increase •M/M

Vice (Sometimes drugs offer more than a high) by Tereshky Jack was a drug kingpin of sorts. Like any potent drug, people craved it, they came to him, offered him their life’s treasures and he gave them their fix. In a world where usually only the strongest survive and only the smartest staid on top, he was doing quite well for himself and living an easy life. There were no rival drug lords because what he had to offer nobody else could give. His drug came from within. 5 parts 12k words Added Jun 2018 Updated 23 Nov 2019 45k views 4.6 stars (37 votes) •Cock Growth•Huge Balls•Hyper Cock•Self-suck•Cum inflation•Cum Milking•Hyper Cum•Addiction•Immobility•Muscle Growth•Muscle/Strength•Belly Growth•Size Increase•First Time/Virgin•Nonconsensual change •M/M

A man of growing proportions by crazywolf82 Jacob’s cock starts to grow just as he meets a sweet guy named Kyle who seems very interested in him. 5 parts 9,164 words Added Oct 2014 54k views 4.6 stars (36 votes) •Cock Growth•Huge Balls•Hyper Cock•Cum inflation•Hyper Cum•Stretchy

Bound together by NBCK99 When you have the ability to "push" people to be bigger and hotter, and not a lot of self-control, a really cute repairman can be a challenge—especially if things don’t go quite the way they’re supposed to. 4,818 words Added Jan 2016 16k views 4.6 stars (35 votes) •Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

Dylan & Josh by MaxMorphs Tired of settling or doing without, Josh is determined to find a boyfriend with a more than ample package. Dylan meets his requirements… and then some. 16 parts 18k words Added Apr 2019 Updated 13 Jul 2019 31k views 4.6 stars (33 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Gradual Change•Dildos/Toys•Christmas•April Fool’s Day •M/M

Threefer by BRK His lover doesn’t seem to mind, but Quinn decides to try out some pills that are supposed to grow his dick anyway while Diego’s away. The fact that they work is less surprising than the two unexpected side-effects that soon develop. 4 parts 11k words Added Apr 2019 Updated 30 Jan 2021 18k views 4.6 stars (33 votes) •Always Hard•Cock Growth•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Complete •M/M•M/M/M

Chuck, the size thief by spacevlad Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. 16 parts 42k words (#94) Added Jun 2017 Updated 22 Dec 2017 123k views 4.6 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Getting Dumber•Other Mental Changes•Muscle Growth•Muscle Gut•Muscle Theft•Muscle/Strength•Belly Growth•Voice Deepening•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Inflation•Nanotech•Destruction/Violence•Nonconsensual change•Nonconsensual sex•Absorption •M/M

Fantastic island by FanTCMan Gene’s island vacation takes a sudden twist when he meets a handsome stranger and has a drink with him, only to wake up blearily to encounter the man’s muscle giant fuck toy... and his own body is feeling very strange... 5,249 words Added Jul 2014 33k views 4.6 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Getting Dumber•Muscle Growth•Muscle/Strength•Nonconsensual change

Jon the growing stepdad by spacevlad Austin’s mother passes away, leaving behind a special gift. Austin uses this gift to give his stepdad, Jon, a new direction and motivation. Jon is eager to impress his stepson. 15 parts 61k words (#50) Added Oct 2022 Updated 10 Dec 2022 36k views 4.6 stars (32 votes) •Huge Cock•Muscle Growth•Muscle Gut•Muscle Worship•Man Scent•Belly Growth•Feeding•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Suggestion•Father/Son•Dom/Sub•Humiliation•Christmas•New Year’s Eve•Valentine’s Day•Complete •M/M

Demon brand jeans by alwaysmyway Shopping for creepy Halloween costumes at the last minute is probably not a good idea. 6,033 words Added Aug 2012 30k views 4.6 stars (30 votes) •Wings•Muscle Growth•Muscle/Strength•Incest•Brothers•Halloween•Flying •M/M

The gene gene by RdyRoger When other guys’ spunk transforms you into a totally different, much hotter guy, you learn there are lots of possibilities for fun—if you’re careful. 6 parts 32k words Added Oct 2011 65k views 4.6 stars (30 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•Size Increase•Race/Ethnicity Change

Lumberjacked by Krisiar Trapped by a snowstorm at an underheated family cabin in northern Manitoba, Henry and Will stumble across a hidden sauna in the woods while out looking for wood. It turns out someone out there wants to help out guys like Henry and Will who could do with a little size improvement. 4 parts 12k words Added Aug 2011 Updated 6 Oct 2011 98k views 4.6 stars (30 votes) •Cock Growth•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Nipple Emissions•Multi-abs•Addiction•Muscle Growth•Muscle/Strength•Getting Handsomer•Hair Growth/Getting Hairy •M/M

Enlargement by Boston Guy A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. 5 parts 15k words Added May 2013 61k views 4.6 stars (29 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Transformation•Size Increase•Nanotech•Nonconsensual change•Infectious•Hyper Anus •M/M•M/M/M•M/M/M/...

Hyper active imagination by Ziel James’s attention wanders sometimes, usually in the direction of making the person he’s staring at not just hotter but impossibly muscled and unbelievably hyper-donged. It’s so vivid, it’s almost like it’s real... 5 parts 21k words Added Oct 2013 Updated 26 Mar 2022 61k views 4.6 stars (29 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Public Nudity•Getting Taller•Giants•Size Increase•Christmas•Valentine’s Day•Complete •M/M

Naked morph for ps2 by Male Enhancer Three brothers play a video game that has a direct effect on the people playing it. 4 parts 3,180 words Added Jun 2013 35k views 4.6 stars (29 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers

The Black Knights by Meddler Incs Once you join the infamous college team known as the Black Knights, there are only three things that matter: lifting, fucking, and football. 4 parts 6,479 words Added Aug 2016 Updated 19 May 2017 24k views 4.6 stars (28 votes) •Muscle Growth•Muscle/Strength•Symbiotes •M/M•M/M/M/...

Brad’s big change by FanTCMan Brad, secretly yearning for a muscle body, is nudged into action by a posting on a bulletin board. 5 parts 17k words Added Dec 2002 73k views 4.6 stars (28 votes) •Muscle Growth•Muscle/Strength•Getting Handsomer •M/M

A father and son’s inseparable bond by Salem Noctua Ezekiel finds a way to make his fraught relationship with his dad, Lucas, a little more intimate. 12k words Added Jan 2023 5,806 views 4.6 stars (28 votes) •Human to Cock•Incest•Father/Son•Nonconsensual change•Merging •M/M

Sheepish Sean by johnnyacolin Shy college freshman Sean gets a growth spurt that’s alarming enough to pay a visit to the doctor. 3 parts 4,921 words Added Nov 2021 Updated 9 Sep 2023 13k views 4.6 stars (28 votes) •Cock Growth•Huge Cock•Father/Son •M

Figurines by RdyRoger A pair of bracelets let the wearer gain the proportions and attributes of any figurine you pick up. Once you understand that, you start to realize there are some very well-built figurines out there... 4 parts 9,284 words Added Feb 2009 35k views 4.6 stars (27 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Size Decrease•Size Increase•Race/Ethnicity Change•Hair Growth/Getting Hairy•Tongue Growth•Dildos/Toys

Max and Chris by Drillur Two very hung brothers get tired of solo sex. 1,502 words Added Jul 2014 20k views 4.6 stars (26 votes) •Huge Cock•Hyper Cum•Incest•Brothers

Bad suggestion by pkak2k12 I’ve learned what I say about others happens. However, I’m still figuring out how to use it, and my best friend and little brother kind of ended up being test subjects for it. 1,619 words Added Sep 2022 13k views 4.6 stars (25 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Retcon•Suggestion•Incest•Brothers •M/M•M/t

Jason’s big problem by Joven Teen athlete Jason unwittingly becomes part of a shady experiment to produce progressively larger cocks and balls that generate way too much cum. His playful and curious friends get drawn in, and when his cranky brother is roped in as well, having massive equipment becomes even more difficult. 49 parts 115k words (#18) Added Oct 2013 Updated 24 Nov 2017 213k views 4.5 stars (79 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •t/t•t/t/t

Cool bracelet, bro by BRK Shortly after acquiring a mysterious leather bracelet, Pete and his kid brother Quentin have a conversation that leads rapidly toward just how hung Pete is, and how horny that makes his brother. 6 parts 20k words Added Feb 2014 Updated 3 Jun 2023 75k views 4.5 stars (53 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Multi-abs•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitongue•Stacking•Muscle Growth•Muscle/Strength•Retcon•Suggestion•Incest•Brothers •M/M/M•t/t•t/t/t

The gifted child by JayPat Young psychologist Justin Conroy poses as a valet to profile Evan, as genius prodigy whom his father things might be a sociopath. Evan has his own plans for Justin—and for some illegal genome experiments he’s uncovered. 7 parts 45k words (#83) Added Oct 2012 53k views 4.5 stars (32 votes) •Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Sex-Slave

Werewolf High by BRK The star of a teen werewolf show has a nagging sense that something weird is happening to the show’s extremely muscular, hung, and horny cast and crew, but he can’t quite put his finger on what it is. 3 parts 13k words Added Jul 2014 Updated 31 Dec 2015 37k views 4.5 stars (28 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Extra digits•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Triplets•Selfcest•Werewolves •M/M•M/M/M

Away game by spacevlad College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist. 2 parts 6,307 words Added Dec 2017 31k views 4.5 stars (27 votes) •Muscle Growth•Muscle Gut•Muscle/Strength•Plausible Size Difference•Size Increase

Brandon’s bro by FanTCMan Brandon initiates his brother onto a secret society of guys who are being made more and more muscular, hung, and sexy. 4 parts 8,692 words Added Jan 2017 28k views 4.5 stars (27 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

Blowing up in Hollywood by Aphon Matt eagerly accepted a movie studio executive’s offer to bulk him up for a movie role. What he wasn’t expecting, however, were the dramatic changes his special hormone milk would cause. 3 parts 2,118 words Added Dec 2018 21k views 4.5 stars (26 votes) •Cock Growth•Huge Cock•Hyper Cock•Addiction•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Dom/Sub •M/M

No strings attached by muscl4life Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. 3 parts 39k words (#97) Added May 2014 54k views 4.5 stars (26 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum inflation•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Twins•Hypnosis •M/M

I want what I want by NCGazza Multitrillionaire Benjamin Kind has Professor Grant Jennings create a DNA altering nanobite to give him the body he’s always wanted. 3 parts 16k words Added Mar 2019 Updated 29 Oct 2022 34k views 4.5 stars (25 votes) •Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Increase•Nanotech•Destruction/Violence•Complete •M/M

My roommate (complete) by LenZelig Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang, and the others drawn into his adventures, combined with the stories of Andy’s son and his friends. (This revised and updated compilation version includes both “My Roommate” and “My Roommate: The Next Generation.”) 29 parts 223k words (#3) Added Jul 2002 Updated 19 Jun 2021 164k views 4.5 stars (25 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub•Witch/Warlock/Wizard•Gay Pride•Mind Control•Complete •M/M•M/M/M•M/M/M/...•t/t•M/t•M/F•M/M/F

5.0 Stars 202

The G by Braun1 Working at the gym in a small town you get to admire the local muscle on the sly. But when someone comes along who’s muscled to the point of being inhuman, all bets are off. 6 parts 43k words (#88) Added Mar 2013 34k views 5.0 stars (23 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Hypnosis •M/M•M/M/M

Kennebunkport by JuicyJ Two childhood friends meet up for their yearly beach trip together, but this summer will be unlike any of the others they’ve spent together.  2 parts 11k words Added Jul 2023 Updated 5 Aug 2023 4,337 views 5.0 stars (22 votes) •Huge Cock •M•M/M

Side effects by TheSizeKing Stephen went to the doctor for typical flu symptoms, but the medication he was given began to give him some unexpected side effects. 2 parts 5,424 words Added Sep 2020 Updated 3 Oct 2020 21k views 5.0 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength •M/M

Take me, change me by NBCK99 When John Truman finally gets intimate with Scott, his hot teammate, John’s body suddenly changes into Scott’s deepest fantasy. 4,033 words Added May 2016 23k views 5.0 stars (22 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•First Time/Virgin•Dom/Sub •t/t

Toil & trouble by BRK After a series of threatening texts, P.I. Jordan Coffey wakes up different—and not alone. 3 parts 17k words Added Oct 2016 Updated 3 Nov 2018 11k views 5.0 stars (22 votes) •Multiarm•Multilimb•Replication•Selfcest•Witch/Warlock/Wizard •M/M•M/M/M

The forge by mf81 Paul meets Derrick, mysterious blacksmith that invites him up to his place up in the woods called The Forge. What he finds there will change life in ways he couldn’t imagine. 3 parts 7,122 words Added Oct 2018 14k views 5.0 stars (20 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength •M/M

What a dear deer boy by Thatbadwriter Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. 5 parts 12k words Added Feb 2021 Updated 13 Mar 2021 25k views 5.0 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Butt Growth•Giants•Plausible Size Difference•Size Increase•Human to Animal/Anthro•First Time/Virgin•Incest•Brothers•Hyper Pheromones•Anthro/Furry •M/M

Beta Logan and his big brother by Eric Aaldersen Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. 6,499 words Added Jun 2020 24k views 5.0 stars (19 votes) •Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers•Hyper Pheromones•Supernatural •t/t

Damien by bulkscribe My roommate Damien is focussed on getting as big as he possibly can… and I find myself more than willing to help him out with that. 5 parts 16k words Added Aug 2020 Updated 12 Dec 2020 36k views 5.0 stars (19 votes) •Muscle Growth•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase•Getting Fatter

The sleepover by Mad Dog and Mr. X Muscle-bosotted hIgh school brainiac Ethan has been quietly slipping his best friend and secret crush Joshua his startlingly effective growth formula, but things ratchet up a notch after Joshua agrees to spend a weekend at Ethan’s. 9,193 words Added May 2023 8,808 views 5.0 stars (19 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Growth•Gradual Change •t/t

Coming of age by Also Known As Jerry’s nephew comes to visit him in San Francisco, and turns out to be very huge, very beautiful and very uninhibited. 4 parts 13k words Added Feb 2019 26k views 5.0 stars (18 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hairless•Incest •M/t

Definition of a grower by Luke B. Kyle is pretty sure people don’t understand the magnitude of what he means when he says he’s “a grower”. 2 parts 4,221 words Added Apr 2013 28k views 5.0 stars (18 votes) •Cock Growth•Huge Cock

Unexpected growth spurt by rusalko Moving in with the cute guy you've been aching to push your big dick into is exciting and boner-making enough... but then I experienced a very unexpected growth spurt that put us both into sex heaven. 6 parts 11k words Added Dec 2012 Updated 3 Feb 2017 64k views 5.0 stars (18 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

You wanted more by Zine You thought you could stop. But you couldn’t, could you? 931 words Added Jan 2023 5,229 views 5.0 stars (17 votes) •Hyper Muscle•Immobility•Muscle Growth •M/M

Me two by BRK Chris has some time off from his celluloid heroics as an A-list movie star and is going through fan mail when he finds a joke twin-making machine. Amused, he tries it out, with… unexpected results. 2,725 words Added Jan 2021 5,340 views 5.0 stars (16 votes) •Multicock•Multihead•Multileg•Multilimb•Three Legs•Multipec•Replication•Incest•Twins•Selfcest•Merging•Complete •M/M

Pholus reborn by Absman420 A man inherits an elixir that transforms him into one of the old gods. 8,534 words Added Oct 2020 8,940 views 5.0 stars (16 votes) •Cock Growth•Huge Cock•Muscle Growth•Getting Taller•Size Increase•Pagan gods•Cannabis •M/M

The cabin by HugeEndowments A story about two friends and some excessive sizes. 2 parts 9,239 words Added Mar 2021 11k views 5.0 stars (15 votes) •Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Worship

Hunky stripper Derek by Amouri A hot and horny male stripper entertains and dances at a private party fully nude and hard. 774 words Added Aug 2021 4,793 views 5.0 stars (15 votes) •Huge Cock•Public Orgasm•Public Nudity

Meta massage therapy by M.M.69 A mysterious new massage parlor opened in town, and brothers Jared and Jason have VIP passes. What makes this place so special? 3 parts 15k words Added Nov 2021 Updated 1 Jan 2022 13k views 5.0 stars (15 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitorso•Replication•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Butt Growth•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Retcon•Suggestion•Age Difference•Incest•Brothers•Father/Son•Selfcest•Dom/Sub•Pagan gods •M/M

Secret Santa by BRK Joe’s crew at his new firehouse are destined to become very important to him, but the extent to which he’s more and more heart-thuddingly attracted to his handsome, well-muscled workmates worries him more than a little. 3 parts 15k words Added Dec 2016 17k views 5.0 stars (15 votes) •Cock Growth•Huge Cock•Multi-abs•Multiarm•Multileg•Multilimb•Three Legs•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Incest•Brothers•Selfcest•Christmas•Complete •M/M•M/M/M/...

Trade by MaxMorphs Discovering the ability to trade a part of your body for part of another naturally leads to experimentation with inches of cock, and with just how far you can transform someone who really wants it. 3 parts 3,360 words Added Feb 2017 20k views 5.0 stars (15 votes) •Cock Growth•Huge Cock•Hyper Cock •M/M

Untangled by screamingmoist A young man wanders into the wrong bar and into the right life. 3,244 words Added Jan 2022 8,733 views 5.0 stars (15 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Transformation•Hair Growth/Getting Hairy •M/M

When Evan started growing—Next installment by JuicyJ Let’s see how Charlie’s been since his wedding  5,226 words Added Feb 2024 4,253 views 5.0 stars (15 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Muscle Growth•Getting Taller•Size Increase•Tongue Growth•Bisexual•Hetero Sex •M/M•M/F

The body spray by Coalth Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. 6 parts 5,880 words Added Mar 2013 42k views 5.0 stars (14 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Public Nudity•Man Scent•Gradual Change•Human to Animal/Anthro•Hair Growth/Getting Hairy•Anthro/Furry •M/M

The box by BRK Steve gets a box of clothes from his mysterious and beautiful brother, Peter, and it turns out the clothes have an amazing effect on his already unusual body. 8 parts 30k words Added Dec 2002 Updated 7 Sep 2019 30k views 5.0 stars (14 votes) •Cock Growth•Huge Cock•Public Orgasm•Extra digits•Multicock•Multihead•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Stretchy•Getting Handsomer•Getting Taller•First Time/Virgin•Incest•Brothers•Selfcest•Witch/Warlock/Wizard •M/M•M/M/M•M/M/M/...

Cody and Todd by klj Little green pills lead to roommate fun. 2,654 words Added Jun 2005 22k views 5.0 stars (14 votes) •Cock Growth•Huge Cock•Cum inflation•Straight to Gay•Increased Libido •M/M

Dad’s water balloon by PumpedBalloon Your step-dad is home alone with you for the week and on the first day, you and he discover a new bond through some exploration. You discover what it's like to feel a man in your mouth as he gets bigger in more ways than one. 3,858 words Added May 2023 7,127 views 5.0 stars (14 votes) •Huge Balls•Huge Cock•Man Scent•Belly Growth•Inflation•First Time/Virgin•Father/Son •M/M

Incubus encounter by Demonized The sauna in the rental house you have for the weekend isn’t as private as you thought... 3,607 words Added Aug 2023 4,051 views 5.0 stars (14 votes) •Cock Growth•Ball Growth•Muscle Growth•Butt Growth•Transformation•Getting Taller•Demons•Incubus/Succubus•Supernatural•Complete •M/M

Out of control by Sammas6 Toby and Matt are young men working on an experimental plant-growth formula out of Tony’s garage. It doesn’t work on the plants, but Matt finds another use for it. 5 parts 8,975 words Added May 2021 12k views 5.0 stars (14 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock

The trainer by Also Known As Needing a new trainer, Thomas finds onewho can push him to the next level, and then some. 7 parts 22k words Added Jan 2014 25k views 5.0 stars (14 votes) •Always Hard•Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M

Triple trouble by Tommyhawk An accident turns lab assistant Val into Val-1, Val-2, and Val-3. 4,868 words Added Jan 2006 9,592 views 5.0 stars (14 votes) •Replication•Selfcest •M/M/M

Andro-Gro anonymous by LucaWLee Fresh out of cryosleep in the post-apocalyptic Southwest, Phoenix journeys with a hulking Kassian and a wolfish Fynn in search of an irresistible growth-inducing drug. 3 parts 6,673 words Added Jan 2023 5,131 views 5.0 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Set in the Future •M/M

The blue daiquiri by BRK Another artifact of the universe makes an appearance, this time at a loft party to celebrate the pilot Henry scripted, Ice City, going to series. If only Henry were having as much success figuring out his feelings for his sweet but ordinary-looking roommate, Gavin. 9,647 words Added Oct 2017 12k views 5.0 stars (13 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Suggestion•Complete •M/M

Canis drainem edit by Ziel Pals Cecil and Harvey have a plan to cut the resident bully down to size, but things quickly spiral out of control. 14 parts 35k words Added Jun 2020 Updated 29 Jul 2023 18k views 5.0 stars (13 votes) •Gradual Change•Size Decrease•Nonconsensual change•Complete •M•M/M

Dormitory hex by Harvey Church This freshman hasn’t been able to keep his eyes off his new RA’s package. He can only imagine all the things he would do if he was that hung. Is he ready to handle a cock that massive? 1,004 words Added Jul 2023 7,330 views 5.0 stars (13 votes) •Cock Growth•Cock Theft•Hyper Cock•Hyper Cum•Nonconsensual change•Stories with Images •M

A handful of Lukes by NBCK99 It was pretty clear his new roommate Luke was hiding something, but coming home to find Luke embracing ... another Luke? ... was not what he expected. 3,123 words Added Jun 2016 6,964 views 5.0 stars (13 votes) •Replication•Selfcest

It was one of those weekends by Zeke A meat pumper’s dream weekend! 5,656 words Added Apr 2020 8,576 views 5.0 stars (13 votes) •Cock Growth•Cock Pumping•Huge Cock•Cannabis •M/M

Little brother gets big by pkak2k12 You (a muscle stud) are home alone with your 20-year-old younger brother (Joey). After a good fap in the shower you hear a crash coming from downstairs. What is he doing? 1,596 words Added Jul 2022 20k views 5.0 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•Incest•Brothers •M/M

Remodel by BRK On a modeling shoot in Brazil, Reese finds himself uncovering his body’s hidden potential—which apparently includes some unexpected extras. 2 parts 5,049 words Added Mar 2020 Updated 19 Sep 2020 6,439 views 5.0 stars (13 votes) •Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Stacking •M/M•M/M/M

Slim + Tiny by Harvey Church Pete attends a family reunion planning to remind his cousins how much bigger he is. He wasn’t expecting to find two giant meatheads in their place, hungry to somehow grow even bigger... 4,121 words Added Jul 2023 7,190 views 5.0 stars (13 votes) •Cock Growth•Cock Theft•Huge Cock•Hyper Cock•Hyper Cum•Other Mental Changes•Muscle Growth•Muscle Theft•Muscle/Strength•Public Nudity•Plausible Size Difference•Nonconsensual change •M/M/M

Tips welcome by TheSizeKing Mark decides to try a sex new toy he found online for his live stream. But when more tips start rolling in from his viewers, he finds that the toy offers more than just sexual pleasure. 4,432 words Added Oct 2020 12k views 5.0 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Getting Taller•Size Increase•Social Media •M

Charlie and Frankie’s exciting new experience by Charlie Frazer Two friends go into a strange store that turns out to offer latex monster cocks, complete with a demonstration from the shopguy of exactly how well they function. 1,331 words Added Feb 2018 10k views 5.0 stars (12 votes) •Cock Growth•Transformation•Rubber/Latex •M/M

Graduation party by Jefftaur Steve and the rest of his friends have a huge graduation dance party. It’s already a blast even before the “novelty cup challenge” starts the guys chugging some special boytaur-making beer. 3 parts 3,455 words Added Mar 2009 15k views 5.0 stars (12 votes) •Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle Growth•Muscle/Strength

Shaming the boastful centaur by DracumSum Bill makes a joke, and a Greek goddess makes it real. 7 parts 41k words (#96) Added Oct 2022 Updated 21 Oct 2023 11k views 5.0 stars (12 votes) •Always Hard•Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Cum Milking•Always Cumming•Hyper Cum•Four Legs•Hyper Muscle•Immobility•Muscle Growth•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Giants•Forced Growth•Human to Animal/Anthro•Hair Growth/Getting Hairy•Hairless•Retcon•First Time/Virgin•Bisexual•Nonconsensual change•Restraints•Hyper Pheromones•Time Travel•Centaurs•Pagan gods•Supernatural•Complete •M/M•M/M/F

There’s something about Billy by Ziel Billy seems like perfectly normal, good-looking guy from the waist up. But there’s something going on inside Billy’s weird, super-baggy pants, and Duke and Kevin were determined to find out what it was. 5,442 words Added Feb 2017 17k views 5.0 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multi-balls•Multicock•Infectious

The best instructions are those that are clearly stated by Ziel Marty talks his super smart friend into whipping him up a special potion that will help with his little problem. 5,194 words Added Jun 2016 23k views 5.0 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Infectious •M/M

Beta Danny’s day at the park by Eric Aaldersen Danny asks Luke to do some roleplaying with him when they’re in public and it has super sexy consequences. 3,893 words Added Dec 2020 9,339 views 5.0 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change•Hyper Pheromones•Supernatural

Birthday bonus by john smith In a world where magic is real, Jeremy's enchanted 18th-birthday gifts are put to immediate use. 4,359 words Added Jan 2006 26k views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Straight to Gay•Increased Libido•First Time/Virgin •t/t

Book of Adam by World Muscle The story of Adam begins with a young man who just wants to have confidence in himself and his body. Little did he know that wishes are a powerful thing. 2 parts 6,775 words Added Nov 2020 Updated 6 Feb 2021 14k views 5.0 stars (11 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •t•NS

Genie of the penie by IamYurNayboor Hotel cleaner Franz encounters an unexpectedly-shaped genie who needs his help. 2 parts 3,569 words Added Sep 2023 Updated 9 Sep 2023 4,502 views 5.0 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Human to Cock•Hyper Cock•Detachable•Djin/Jinn/Genie •M/M

Go fuck yourself by Atokamematoke An unnamed man makes use of his strange abilities to penetrate himself, while observing the whole act at the same time. 1,020 words Added May 2016 9,153 views 5.0 stars (11 votes) •Detachable •M

Harvard man by JayPat Luke’s barely into his first week at Harvard, and he’s already figured out what he’s going to be studying—muscle. 2 parts 17k words Added Mar 2020 13k views 5.0 stars (11 votes) •Other Mental Changes•Muscle Growth•Muscle/Strength•Getting Taller •M/M

Home for the holidays by Richard Jasper Chris Kirkpatrick, an 18-year-old high school Big Man on Campus, is eager to see his slightly older brother Roger back “home for the holidays” after his first semester as a freshman at State. Boy, is he in for a surprise! 3,149 words Added Dec 2020 10k views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers•Christmas •M/M

Lucas by Jefftaur If this is The Boy from Ipanema, then no wonder. 2,236 words Added Jul 2009 11k views 5.0 stars (11 votes) •Multicock•Boytaur•Four Legs•Multileg•Multilimb •M/M

Medium gets large by Queen23 A small town medium meets a spirit with much bigger plans for the holiday. 6,351 words Added Oct 2022 5,808 views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Getting Taller•Size Decrease•Ghosts•Supernatural•Possession•Halloween •M/M•M/M/M

Safe sex by LuckyMuscle A young guy out clubbing lucks into his dream scenario: being in the middle between two muscle studs. It does’t quite turn out the way he expected. 3,528 words Added May 2006 21k views 5.0 stars (11 votes) •Huge Cock•Muscle/Strength•Transformation•Size Decrease•Human to Inanimate•Rubber/Latex •M/M/M

Selene’s song by BRK Visiting a nearby carnival staffed by an array of very realistic “monsters” with his college buddies, film student William happens across a funfair movie-house just off the midway showing a selection of mysterious and obscure items—including an unknown horror-genre “found footage” werewolf short William knows he can’t leave without seeing. 16k words Added Mar 2024 1,803 views 5.0 stars (11 votes) •Muscle Growth•Muscle/Strength•Transformation•Voice Deepening•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•First Time/Virgin•Orcs•Werewolves•Urban Fantasy•Horror•Supernatural•Halloween•Complete •M/M

The thief and the amulet by BRK A small, slightly-built thief with a bigger, hunkier lover who likes to tease him about his stature gets a chance at a bit of payback thanks to a magical amulet. 4,780 words Added Mar 2024 2,129 views 5.0 stars (11 votes) •Cock Growth•Cock Shrinking•Cock Theft•Huge Balls•Huge Cock•Multicock•Muscle Growth•Muscle Theft•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Witch/Warlock/Wizard•Fantasy Realm •M/M

Transform by Also Known As Containing a secret is a hard thing to do. And the bigger the secret is, the harder it is to keep. No one was finding the truth of this more than those few men in charge at the Institute for Genetic Enhancement where the way has been found to transcend ordinary masculinity. The sequel to Supermen. 35 parts 132k words (#8) Added Oct 2002 59k views 5.0 stars (11 votes) •Cock Growth•Ball Growth•Huge Cock•Prehensile Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Voice Deepening•Hyper Pheromones•Infectious•Flying •M/M•M/M/M

Tuesday by BRK My best bud Kev and I have a secret. Okay, it’s a really badly kept secret—I grow extras. But when Kev starts to change too, we soon find out there are lots of secrets at my school. 7 parts 13k words Added May 2003 Updated 1 May 2021 30k views 5.0 stars (11 votes) •Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Replication•Stretchy•Incest•Twins•Selfcest•Body Swap •M/M•M/M/M/...

Twinning: The college years by BRK At college, Will attracts the attention of a sexy, Irish hockey player who pushes all Will’s buttons—but now that he’s in this new world Will isn’t sure he can share all of himself with his slowly growing admirer. 8 parts 37k words Added Mar 2017 Updated 9 Oct 2021 26k views 5.0 stars (11 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Self-suck•Extra digits•Multi-abs•Multicock•Multitongue•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Taller•Size Increase•Tongue Growth•Selfcest•St. Patrick’s Day •M/M•M/M/M/...

Under his wing by Richard Jasper Frank Jones, 40, is a (gay) widower, recently out of the landscaping business and taking on a new career as a personal trainer. He’s delighted with his new neighbors, a divorcee and her 14-year-old son. The relationship that develops among the three of them is not one any of them would have expected! Just FYI: This one has a lot of muscle growth but is (unlike the author’s usual fare) a sad one. 10 parts 9,913 words Added Jan 2021 3,987 views 5.0 stars (11 votes) •Muscle Growth•Muscle/Strength•Getting Taller

Vision space by BRK Sent to explore an unknown, derelict spaceship in search of usable technology, a young marine unexpectedly discovers three sexy inhabitants, guardians of a secret no one could have imagined. 6,302 words Added Jun 2021 9,348 views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Giants•Size Decrease•Size Increase•Age Difference•Aliens•Space Travel•Complete•Set in the Future •M/M

Alpha Dave goes camping by Eric Aaldersen A special breed of men walks secretly among us. On a camping trip with his latest twunky conquest, one of these men, a muscle alpha named Dave, senses still more hotties nearby, ripe for his attentions and his bottomless supply of spunk. 8,226 words Added Dec 2019 11k views 5.0 stars (10 votes) •Muscle/Strength•First Time/Virgin•Supernatural •M/M

Alpha Luke and the wrestling team by Eric Aaldersen Luke finds another beta mate on his wrestling team and his sexual energy infects the whole team during a special match! 6,920 words Added Aug 2020 17k views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change•Hyper Pheromones•Supernatural

Alpha Luke goes camping by Eric Aaldersen Budding Alpha Luke takes his twink buddies into the woods for a weekend of exploration. 12k words Added Jan 2020 11k views 5.0 stars (10 votes) •Huge Cock•Muscle/Strength•First Time/Virgin•Supernatural •M/M•M/M/M

Bali encounter by LenZelig On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. 2 parts 29k words Added Nov 2017 Updated 8 Dec 2017 16k views 5.0 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•First Time/Virgin•Incest•Brothers•Twins•Bisexual•Hetero Sex•Dom/Sub •M/M•M/M/M•M/F•M/M/F

Best buds by Richard Jasper John and James, one straight, one gay, are freshman roommates. They bond over bodybuilding… and succeed beyond their wildest imaginings. 9 parts 13k words Added Feb 2020 16k views 5.0 stars (10 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Hair Growth/Getting Hairy •M/M

Biking buddies by Eric Aaldersen Simon and Adam enjoy racing their bikes through the countryside together, Adam getting extra enjoyment from watching Simon’s ass as he rides ahead of him on the trail. This time, Adam gets to do more than just look. 5 parts 8,312 words Added Dec 2005 17k views 5.0 stars (10 votes) •Huge Cock•Muscle/Strength

A blessing in disguise by Jo Psmythe Colin, an over-stressed college student, meets the man of his dreams in Chris. But Chris has a secret that might drive them apart—or bring them even closer together. 5,422 words Added Sep 2019 14k views 5.0 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Extra digits•Multi-abs•Multihead•Multiarm•Multilimb•Multipec•Stacking•Stretchy•Plausible Size Difference•Size Decrease•Size Increase•Suggestion•Vore

Bodymorphchat by BRK Conversations in this chat room are just like any other, with one exception: your screen name eventually becomes literally true. 1,920 words Added Nov 2004 23k views 5.0 stars (10 votes) •Multi-abs•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Replication•Stretchy•Transformation•Selfcest•All Dialog •M/M•M/M/M

The cock-off by Armie Lingo In the gym locker room, Nick and Joe get the chance to admire Cock-Off champion Steve up close. 3 parts 5,295 words Added Oct 2005 26k views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle/Strength •M/M•M/M/M

Cocking stuffers by Ziel George and Bailey are best buds and roommates, but could they be something more? They just need a little something to break the ice… and Bailey’s boxers. 6,096 words Added Dec 2021 11k views 5.0 stars (10 votes) •Cock Growth•Cock Vore•Huge Balls•Huge Cock•Hyper Cock•Christmas •M/M

Cumming of age by Bobby Bobby’s startlingly huge cock had left him inexperienced with sex even at 18, until a side job painting a neighbor’s house led to an unexpected breakthrough. 4,217 words Added Mar 2016 14k views 5.0 stars (10 votes) •Huge Cock

The interrogator by ed I’m a consultant for local law enforcement, with a unique ability to get the info they need. 3,187 words Added Jun 2021 5,940 views 5.0 stars (10 votes) •Huge Cock•Straight to Gay•Muscle/Strength•Muscle Worship•Voice Deepening•Dom/Sub•Nonconsensual change•Mind Control

The ranger and the halflings by Big Archer Astorias is a big man who loves to dominate smaller men with his size and strength. However, when he meets four muscle-bound halflings one evening at the Inn, he gets a bit more than he bargained for. 4,942 words Added Oct 2020 4,191 views 5.0 stars (10 votes) •Hyper Strength•Plausible Size Difference•Dom/Sub•Fantasy Realm

The rent boy who saved Christmas by BRK Cody and his extra-large cock have a premium gig going, until a few random words to the wrong person turn him into the magical nephew of a very real supernatural being—and this year, Uncle Kris needs his help. 2 parts 8,386 words Added Dec 2022 4,868 views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Size Increase•Retcon•Selfcest•Merging•Supernatural•Christmas •M/M•M/M/M•M/M/M/...

The ring of desire by Laylom_02 Alex stumbles across a magic ring that seems to fulfill any desire he might have. Clearly this can only mean good things, right? 2 parts 2,897 words Added Jan 2024 Updated 17 Feb 2024 6,146 views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Immobility•Gradual Change•Retcon •M•M/M

The Servonyx exclusion by BRK Uncovering some corporate skulduggery leads to dire consequences for Beck. Nearly killed in a suspicious crash, he soon finds himself halfway around the world trapped in a physically enhanced pleasure humaniform… in the keeping of a handsome Russian plutocrat. Pleasure is easy to unlock in this new existence, but escape and revenge will be a lot harder to manage. 3 parts 14k words Added Jul 2018 Updated 17 Nov 2018 11k views 5.0 stars (10 votes) •Cock Growth•Multiarm•Multilimb•Muscle Growth•Size Increase•Age Difference•Nonconsensual change•Androids/Cyborgs •M/M

Simian massage by BRK Danny, a cold and cocky Yukuza enforcer, is ordered to take care of a double-dealing masseur—only to find himself under magical attack. 5,462 words Added Nov 2023 3,134 views 5.0 stars (10 votes) •Cock Growth•Muscle Growth•Increased Libido•Human to Animal/Anthro•Hair Growth/Getting Hairy•Tongue Growth•Dom/Sub•Nonconsensual change •M/M

Simon says by BRK My goofy, fun-loving shop owner loves staging these ridiculous competitions with us, but this latest one is definitely the craziest. 2 parts 7,732 words Added May 2013 Updated 30 Jun 2017 23k views 5.0 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Muscle/Strength•Getting Taller•Size Increase•Suggestion

A soldier’s tale by TreborNawoc Tre encounters a refugee multi from a secret German experimentation program. 5,911 words Added Oct 2023 1,472 views 5.0 stars (10 votes) •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Transformation•Getting Taller •M/M

Spare parts by YellowJester After being disfigured in an accident, Al learns that he doesn’t need his old body or face when he can simply copy the best features of those around him. 3,378 words Added Aug 2022 6,024 views 5.0 stars (10 votes) •Cock Growth•Straight to Gay•Muscle Growth•Butt Growth•Increased Libido•Getting Handsomer•Gradual Change•Voice Deepening•Getting Taller•Size Increase •M/M

SpoogeQuest by BRK After pissing off his game-developer ex, Vlad finds himself inside an open-world gay erotic fantasy game where everything about him is up to 11—and, unless he undertakes a perilous quest, further changes will await him. 4,829 words Added Sep 2019 10k views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase•Selfcest•Witch/Warlock/Wizard•Fantasy Realm

Alpha Dave returns home by Eric Aaldersen Alpha Dave returns home and remembers the alpha who made him. 7,790 words Added Feb 2020 7,824 views 5.0 stars (9 votes) •Huge Cock•Muscle/Strength•Supernatural

The Anterotica by LucaWLee During an impending apocalypse, a minor god of sex has to confront and fuck his way through infighting pantheons, each full of evil desire. 4 parts 12k words Added Aug 2023 Updated 2 Sep 2023 5,399 views 5.0 stars (9 votes) •Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Wings•Hyper Muscle•Pec Fucking•Muscle Growth•Muscle Worship•Pagan gods •M/M•M/M/M

The antique lamp by DimethylCoconut There are two facts about me that one should know before I tell this story: I had always had fantasies about cloning—I would date myself, and I am also a collector. The story I am going to tell is about how these two things combined and made me who I am today. 3,023 words Added Mar 2021 3,562 views 5.0 stars (9 votes) •Replication•Selfcest

Bar wishes by Salem Noctua There’s a new bar in town, and Eric believes that this will be the place that he’ll get to hook up with someone and, in the long run, form a relationship with. Little did he know that if you wish upon a bar’s private room, even fantasies can come to life. 3,174 words Added Aug 2021 5,243 views 5.0 stars (9 votes) •Cockfucking•Huge Cock•Nonconsensual change•Merging

A Barber story: The Titan Brothers by Ogrebear Two men from opposite ends of life get a world-changing haircut.  5,252 words Added Dec 2022 7,456 views 5.0 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hair Growth/Getting Hairy•Retcon•Suggestion•Incest•Brothers•Twins •M/M

The blue paramour by BRK Quint, a high-end sex-line agent, likes to explore his callers’ secret fantasies with them. But things go a little differently after a lunch that happened to include a certain artifact of the universe. 5,132 words Added Aug 2019 9,353 views 5.0 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Three Legs•Multipec•Stacking•Pointy Ears•Getting Taller•Retcon•Suggestion•Ogres•Complete •M/M

Coupon code: littlest by Ziel El decides to abuse a coupon code that promises to take “20% off”. He keeps stacking the coupon until there’s nearly nothing left! 7,522 words Added May 2020 7,714 views 5.0 stars (9 votes) •Cock Shrinking

How it’s done by phallicphan College centaur shows his younger brother how to breed. 4,189 words Added Oct 2017 11k views 5.0 stars (9 votes) •Muscle/Strength•First Time/Virgin•Incest•Brothers•Centaurs •M/M

I don’t even go here! by Quick Master Three incubi compete to screw the most guys in a single semester at a human college. 5 parts 12k words Added Mar 2023 Updated 12 Aug 2023 6,772 views 5.0 stars (9 votes) •Cock Growth•Muscle Growth•Pointy Ears•Demons•Incubus/Succubus•Flying•Invisibility •M/M

Irresistible by Jefftaur and Mr Arbitrary Brandon has a thus-far unrequited crush on his friend Ethan. A wish gives him the chance to push things forward, but the results aren't what he expected! 8 parts 30k words Added Feb 2019 7,237 views 5.0 stars (9 votes) •Wristfeet•Djin/Jinn/Genie

Jock Pussy Syndrome Information Video #1 by SC Walker A video that details the symptoms and treatment for the mysterious new disease affecting athletic men: Jock Pussy Syndrome. 1,728 words Added Oct 2020 8,311 views 5.0 stars (9 votes) •Straight to Gay•Muscle Growth•Transformation•Bodily Fluids

Lumen by Ziel Lumen, a tiny fairy in a big world, sets off for adventure! 6 parts 21k words Added May 2023 Updated 30 Dec 2023 8,614 views 5.0 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Djin/Jinn/Genie•Fantasy Realm •M/M

Phone sex fantasy by BRK Phone chat was never like this. 2,232 words Added Aug 2004 15k views 5.0 stars (9 votes) •Huge Cock•Multi-abs•Multicock•Multiarm•Multilimb•Replication•Size Increase•Selfcest•Complete •M/M

The right blend by BRK In this sequel to “One Hot Summer,” Thad returns to Colorado, still in Zac’s upgraded, hyper-hung body. When he finds he’s no longer able to morph himself back into what he’s supposed to look like, his only hope is his sexy and capable second-in-command, Aleksei. 21 parts 61k words (#48) Added Mar 2023 Updated 24 Feb 2024 21k views 5.0 stars (9 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Muscle/Strength•Always Shirtless•Pointy Ears•Increased Libido•Getting Handsomer•Transformation•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Race/Ethnicity Change•Retcon•Incest•Brothers•Nonconsensual change•Body Swap•Cannabis •M/M•M/M/M•M/M/M/...

2525 Doubled Lane by TwinReplica After a long search, Lane has finally found his dream home, but finds there may be more to the house’s technology than meets the eye. 2 parts 6,940 words Added Jan 2022 2,781 views 5.0 stars (9 votes) •Replication•Selfcest•Metabods 25 •M/M•M/M/M/...

Unboxing Viktor by BRK In a not-so-distant future, Christian receives a gift that reminds him of the hot neighbor he has a crush on. 3,316 words Added Feb 2024 1,062 views 5.0 stars (9 votes) •Huge Cock•Multicock•Multiarm•Multilimb•Multipec•Transformation•Getting Taller•Mouthcock•Androids/Cyborgs•Complete•Set in the Future •M/M

Alpha Male by Josef Howard A gay man wakes one morning inside the body of the (formerly) straight star-spangled super-hero AlphaMale. Everything is terrific until AlphaMale’s studly sidekick finds out his body is inhabited by an imposter. 5 parts 15k words Added Jul 2002 40k views 5.0 stars (8 votes) •Muscle Growth•Muscle/Strength•Superhero/Supervillain

Bulgey boi by Ziel Boey wins a pair of briefs from a new brand called Bulgey Boi. All he has to do is fill out a quick questionnaire. How Bulgey is best? The bulgier the better, right? 4,922 words Added Jul 2022 12k views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Immobility•Muscle Growth•Size Increase •M

The four jocks: The loft by BRK A quartet of very attractive clothing and fitness models sharing a loft try the transformation game during a power blackout, and are soon filled with awe at what they’re doing to themselves and each other as they play. 2 parts 9,337 words Added Dec 2013 17k views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Multicock•Multilimb•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Complete •M/M•M/M/M/...

Gamble Labs by Moi Auci A college guy goes looking for his missing special friend, a journey that takes him to an odd sperm donation lab and an unexpected transformation. 2,715 words Added Mar 2020 9,733 views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Human to Cock•Hyper Cock•Transformation •M/M

Hank and Greyson by Greggrth Two hikers get lost in the woods and stumble upon a kindly man in his house who offers them a place to rest and some of his homemade treats. What could go wrong? 3 parts 14k words Added Apr 2023 Updated 24 Jun 2023 15k views 5.0 stars (8 votes) •Cock Growth•Addiction•Hyper Muscle•Muscle Growth•Muscle Gut•Belly Growth•Getting Taller•Giants•Size Increase•Mind Control •M/M

Mass after Mass: A Christmas story by SamErgule Joshua returns to his homeland where a tradition of completing nine dawn Masses before Christmas Day is said to ensure your wishes are fulfilled. 5 parts 15k words Added Dec 2022 8,731 views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Plausible Size Difference•Size Increase•Christmas•Complete•Stories with Images •M/M

My bodyguard by Richard Jasper “Worthless” Worthington High School sophomores Roger Jensen and Nick Delios bond when the latter saves the former’s scrawny ass from the class bully, Ralphie Peters. Their burgeoning affection and academic accomplishments are only exceeded by their ridiculous muscle growth. 4 parts 10k words Added Aug 2020 7,340 views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change •t/t

Rapeenzel by Ziel Ziel got to thinking about old fairy tales and thought, “You know what these stories need? More gay sex and macro-dongs!” So he threw in a touch of cutesy fluff and some soft CV elements. Lots of sappy romance and monstrous dongs ensued. 6,583 words Added Sep 2015 24k views 5.0 stars (8 votes) •Cock Growth•Cock Vore•Huge Balls•Huge Cock•Hyper Cock•Prehensile Cock•Hyper Cum•Always Shirtless•Medieval(ish) •M/M

Size of love by Bigmusclenm Lucas is bitter and disillusioned about love. His ex-boyfriend cheated on him and cited Lucas's penis size as the problem. Lucas is proud of his body but still feels rejected and unlovable. He tries to find a date on a dating app without success until he receives a message from Dane, who is interested in him despite his size. 5,179 words Added Feb 2024 4,745 views 5.0 stars (8 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Muscle Breast•Muscle Growth•Butt Growth•Belly Growth•Inflation•Valentine’s Day•Stories with Images •M/M

Small problems by The Obsessive-Compulsive College freshman Curt has certain inadequacies he’d like to correct. (Hint: Remember the “Better Living through Chemistry” meme?) 7 parts 9,668 words Added Sep 2009 37k views 5.0 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Increased Libido

Stuff in the cellar by Charles Westfall Richard is already good-looking and abnormally hung when he discovers some alien equipment in the cellar of his new house—including a vat of goo that transforms him into someone even hotter and more hung. And there’s no way Richard’s keeping his new gifts to himself. 4 parts 15k words Added Jul 2002 24k views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Pointy Ears•Size Increase •t/t•t/t/t

Supersized by Musclesaber After an experiment gone wrong, Max unexpectedly grows into a giant. After being saved by his superhero crush, Amplified, the pair tries to get the giant man’s growth under control. 2 parts 5,286 words Added Nov 2020 14k views 5.0 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Muscle Growth•Belly Growth•Getting Taller•Giants•Superhero/Supervillain •M/M

A Surgeon General’s warning by Portowulf Dr. Ethan Carter has become a bit of an underground celebrity in the medical field as the only doctor to successfully un-fuse patients who’d used a new drug on the market meant for cocking. 1,741 words Added May 2020 4,059 views 5.0 stars (8 votes) •Human to Cock•Nonconsensual change•Merging

Toil and trouble by Ziel Wyatt and Jordan wander off the path at a haunted house and encounter a witch brewing up something just for them. 4,030 words Added Oct 2017 12k views 5.0 stars (8 votes) •Huge Cock•Hyper Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Size Increase•Halloween •M/M

Wedding swap by squatch Another wedding alone, until you employ a service that makes it interesting. 2 parts 5,013 words Added Nov 2021 Updated 13 Nov 2021 9,309 views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Retcon•Bisexual•Hetero Sex•Body Swap•Shared Body •M/M•M/F

Alpha Coach and Mike by Eric Aaldersen Alpha Mike remembers the alpha who made him—his super-hot high school hockey coach! 7,300 words Added Apr 2020 10k views 5.0 stars (7 votes) •Huge Balls•Huge Cock•Muscle/Strength•First Time/Virgin•Supernatural •M/t

The changing by NBCK99 After an encounter with an ancient book of Irish poetry that sure seems a lot like a spell grimoire, three friends discover they’ve set something in motion that will change everything—for themselves and, before long, for everyone else as well. 2 parts 5,286 words Added Jun 2016 9,985 views 5.0 stars (7 votes) •Huge Cock•Multilimb•Muscle Growth•Muscle/Strength

Chat transcript: More than plenty by BRK Two guys chatting about extras end up giving each other the works. 2,780 words Added Nov 2014 8,593 views 5.0 stars (7 votes) •Multicock•Multilimb•Replication•Size Increase•Selfcest•Infectious•All Dialog •M/M

Come to me by Richard Jasper Eric is a hot, young skimpy stud—what nowadays we’d call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice’s advice—with results more spectacular than he could have imagined! 10 parts 12k words Added Apr 2020 Updated 18 Apr 2020 9,571 views 5.0 stars (7 votes) •Muscle Growth•Gradual Change

Dogboys by Douglas Benjamin Richard and Toby’s usual training for subs is augmented with a new pill that turns out to have an unexpected potency. 2,897 words Added Jan 2015 20k views 5.0 stars (7 votes) •Human to Animal/Anthro•Dom/Sub•Anthro/Furry

Dream a little dream by WBHunk A random online encounter leads to a chance to become everything he had dreamed of being—but can he trust what’s being offered? 3,054 words Added Jul 2002 14k views 5.0 stars (7 votes) •Muscle Growth•Muscle/Strength•Witch/Warlock/Wizard•Complete •M/M

Incremental curse by BRK Jared’s non-wizarding friend Lee accidentally triggers a booby-trap of a magician’s tome, causing him to shrink to the size of his own equipment. 3 parts 8,206 words Added Jan 2012 Updated 21 Apr 2017 23k views 5.0 stars (7 votes) •Size Decrease•Witch/Warlock/Wizard •M/M

Jocktaur pledge by BRK High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. 4,791 words Added Sep 2020 5,130 views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Boytaur•Four Legs•Multileg•Multilimb•Incest•Twins•Complete •M/M•M/M/M

Leg wheel by Martin Boyar Handsome Dave wants to become a wheel of legs so badly that even instructions jokingly made up on the spot actually work! 4 parts 7,253 words Added Jun 2006 8,833 views 5.0 stars (7 votes) •Multicock•All Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Replication•Selfcest •M/M

The salt: the lab assistant by RdyRoger Helping out at the lab where a scientist is developing very effective body enhancement formulas can expose you to temptations too tough to resist. 9,042 words Added Jun 2010 17k views 5.0 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Voice Deepening•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change •M/M

Shrinking for Sean by Blue Blue Sean was super excited about the idea of me using the shrinking serum to become smaller than him so we could screw like that—and I was even more into it than he was. 2,694 words Added Jun 2003 26k views 5.0 stars (7 votes) •Size Decrease

Stretchy summer’s day by Josh Dugan The cool thing is that all this is really happening; it's not some digitally generated special effect. 1,611 words Added Sep 1997 13k views 5.0 stars (7 votes) •Muscle/Strength•Stretchy

Sucker by pornwright Toulouse has a great body and a magnificent cock, but with each enthusiastic blowjob from Henry, the transfer of cum makes Lou less, and Henry more. 7 parts 4,551 words Added Feb 2009 31k views 5.0 stars (7 votes) •Cock Growth•Cock Shrinking•Huge Cock•Other Mental Changes•Muscle Growth•Muscle Theft•Muscle/Strength•Transformation•Size Decrease•Size Increase•Bisexual•Nonconsensual change•Nonconsensual sex

Summer breeze by Dave Swim hunk Mike is asked to employ his recently improved body and unstoppable libido in the service of intergalactic peace. 5,170 words Added Jun 2012 13k views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Transformation•Aliens

Sunday night at the bear bar by Tym Greene When four fellows driving home from a fishing trip run out of gas in the little town of Arkadios, they find that the local tavern is a bit...unusual. 5,665 words Added Jan 2024 1,503 views 5.0 stars (7 votes) •Self-suck•Transformation•Age Progression•Human to Animal/Anthro•Incest•Brothers•Father/Son•Anthro/Furry•Alcohol •M/M•M/M/M

Transform: Friends in need by Also Known As Franklin refuses to let his best friend Albert induct him into the Muscle Club, despite the awesomeness of Albert’s body and the control over it he’s gained. Albert agrees to leave him alone. But Franklin is feeling these bursts of powerful arousal coursing through him as they’re playing video games together, and he knows Albert’s doing it on purpose… 6,594 words Added Jan 2014 12k views 5.0 stars (7 votes) •Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Size Increase•Infectious •M/M

Triple threat by Thorn Lovers in a newly-formed polyamorous relationship are about to have their lives changed when the youngest member of the relationship introduces them all to a new miracle serum meant to enhance men.  2 parts 16k words Added Sep 2023 Updated 9 Sep 2023 5,917 views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Father/Son•Nonconsensual change •M/M/M

An uneven exchange by Mr Arbitrary Max tries to indulge his foot fetish in secret, but his boyfriend James catches him and makes an unusual exchange. 1,545 words Added May 2018 5,372 views 5.0 stars (7 votes) •Wristfeet

What happened by Dream Big When Daniel meets up after college graduation with his high school friends Chris and Jane for a beach vacation, it turns out Chris has some important news: first, he’s into both of them, and second, he’s got access to his family’s secret body transformation serum, and he’s willing to share. 2 parts 8,209 words Added Nov 2019 9,520 views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Transformation•Bisexual

Alpha Dave and Alpha Luke reunite by Eric Aaldersen After their epic camping encounter this summer, Luke and Dave reunite and Dave tells Luke what it really means to be an alpha. 6,565 words Added Feb 2020 6,979 views 5.0 stars (6 votes) •Huge Cock•Muscle/Strength•Supernatural

Alpha Luke grows his circle by Eric Aaldersen Now fully aware of his alphahood, Luke breeds some more betas hoping to make Brian an alpha like him. Luke and Mike finally bond as they were meant to. 8,980 words Added Mar 2020 11k views 5.0 stars (6 votes) •Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Supernatural

Alpha Luke passes on the lore by Eric Aaldersen Luke and Brian’s story finally reaches its climax and afterwards things get positively mystical. 4,887 words Added May 2020 7,513 views 5.0 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Supernatural

Best laid plans by Collan Two college boyfriends try to upgrade their lives by becoming someone else, but things don’t turn out the way they expect. 1,290 words Added Apr 2022 8,324 views 5.0 stars (6 votes) •Gay to Straight•Nonconsensual change•Body Swap•All Dialog•Stories with Images •M/M

Boost by oswaldthefiasco Tired of being small, Brian finds a new supplement to kickstart his growth. After not properly reading the instructions, the supplement works a little too well. 1,673 words Added Apr 2023 6,697 views 5.0 stars (6 votes) •Muscle Growth•Belly Growth•Getting Taller •M

Centaur professor by James Fourlegs This learned descendant of the famous teaching centaur Chiron passes on more than just wisdom. 2 parts 4,113 words Added Mar 1998 21k views 5.0 stars (6 votes) •Four Legs•Multiarm•Multileg•Multilimb•Replication•Stretchy•Detachable•Selfcest•Centaurs

The Cockmoore Chronicles: Joey by CockTFBoi Joey is tired of being bullied by his roommate, Randy. After the latest bit of grief, Joey decides to seek out this magic book he'd heard rumors of as a way to get his revenge. He concocts a way to get his revenge, and to improve himself at the same time. As the curse he created starts to unfold, both men are in for some sudden changes. 6,609 words Added Oct 2022 6,231 views 5.0 stars (6 votes) •Cock Growth•Cock Shrinking•Cock Theft•Public Orgasm•Muscle Growth•Gradual Change•Nonconsensual change •M/M

A date with Randy Palms by Alex Anders This is why you don’t make vague wishes. Or maybe it’s why you do? 1,201 words Added Oct 2023 1,157 views 5.0 stars (6 votes) •Human to Body Part•Complete •M•M/M

The disassembly line by Alex Anders Rex finally gets to make his dream a reality.  1,246 words Added Apr 2023 1,923 views 5.0 stars (6 votes) •Detachable•Complete •M•NS

Double dream feat by Ziel Aidan awakes from a surprisingly realistic dream to find things aren't quite how he remembered them. For starters, his dingy dorm room has been replaced with a reasonably sized apartment… an apartment he seems to share with his best friend. But stranger things are in store for Aidan as the morning unfurls. 4,723 words Added Jun 2018 9,788 views 5.0 stars (6 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Replication•Selfcest •M/M•M/M/M/...

Due diligence by Lou Garou 78 A gym rat running out of options for finding the perfect woman tries swapping with a younger stud, only it turns out he didn’t have all the facts about his chosen target. 5,012 words Added Jul 2022 6,651 views 5.0 stars (6 votes) •Dom to Sub•Straight to Gay•Muscle Growth•Dom/Sub•Body Swap •M/M

The fugitive by Cris Kane One dark and stormy night, a desperate man pays a visit to a shop which he heard can do amazing things. 7,458 words Added Oct 2019 9,134 views 5.0 stars (6 votes) •Huge Cock•Other Mental Changes•Straight to Gay•Transformation•Age Regression•Dom/Sub•Sex-Slave•Mind Control •M/M

Giant problems by aquila Caught up in a science experiment gone wrong, John finds himself at odds with his former boss and employer, leading to some giant problems. 3 parts 7,372 words Added Jun 2019 15k views 5.0 stars (6 votes) •Hyper Cock•Hyper Cum•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Destruction/Violence •M/M

The jeans by Jefftaur Josh gets his hands on a pair of trick jeans and decides they’ll work better on someone half-asleep—like his buddy, Ty, who’d look really hot with extra feet. 579 words Added Aug 2013 9,391 views 5.0 stars (6 votes) •Multicock•Four Legs•Multileg•Multilimb

Juiced by Ziel Kent’s roommate gets him to try out a hot new supplement. The muscles quickly stack on, but they come with a price. 4,177 words Added May 2016 24k views 5.0 stars (6 votes) •Cock Shrinking•Muscle Growth•Muscle/Strength•Nonconsensual change

Made of lad by brazboy An explorer wants to find the marvelous and ancient temple of Karkok, but he gets to experience many wonders he didn’t sign up for—what he finds, at the end of the day, is something way more precious than a pile of bricks. 2 parts 7,224 words Added Nov 2023 3,557 views 5.0 stars (6 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Hyper Cum•Multi-abs•Multicock•Boytaur•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Multipec•Replication•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Detachable•Giants•Size Increase•Tongue Growth•Mouthcock•Flying•Complete •M/M

The new Rick by smitch69 1,392 words Added Dec 2005 16k views 5.0 stars (6 votes) •Body Suit•Body Swap

The next big thing by Ziel Johnny, a young model/actor trying to make it in Hollywood, always knew he was destined to be The Next Big Thing.  2 parts 2,909 words Added May 2023 Updated 6 Jan 2024 10k views 5.0 stars (6 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Gradual Change•Getting Taller•Size Increase •M

Outgrowth by BRK Warin gets a special gift from his boyfriend—one that lets him be much more than just a pretty boy-toy. 2,905 words Added Feb 2024 5,507 views 5.0 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Giants•Size Increase•Age Difference•Dom/Sub•Valentine’s Day •M/M

The Paragon Porn quarantine by Absman420 After being offered an exclusive contract to film in the Paragon Porn post-pandemic “bubble,” Domenic uses the 2-week quarantine to work through the online training manual. 12k words Added Dec 2020 6,206 views 5.0 stars (6 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•A.I.-Controlled Change•Set during the Pandemic •M/M

The permanent steroid by RdyRoger Rod’s only joking about a permanent steroid that gives you your dream body and a better life along with it, but his eccentric inventor friend, the Professor, takes the idea seriously anyway. 2 parts 5,855 words Added Oct 2019 13k views 5.0 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase

Position wanted by Cris Kane A job agency tailors a middle-aged man’s resume to make him a more attractive prospect. 3,430 words Added Jan 2020 9,293 views 5.0 stars (6 votes) •Huge Cock•Getting Dumber•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Age Regression•Race/Ethnicity Change•Retcon

Punked by Cris Kane A chance encounter with a punk rocker results in unexpected changes for a fussy, vain yuppie. 4,780 words Added Aug 2021 2,958 views 5.0 stars (6 votes) •Other Mental Changes•Transformation•Retcon •M/M

Rob’s experiment by Jefftaur Rob goes camping on his own, determined to see if that magic book he found could do what it promised. 1,855 words Added May 2002 11k views 5.0 stars (6 votes) •Multicock•Four Legs•Multilimb •M

Seth by Josh Dugan As foreshadowed in an erotic dream, Seth is embarrassed to have grown so many feet, but really, it’s no problem at all. 2 parts 2,374 words Added Feb 2009 7,944 views 5.0 stars (6 votes) •Lots of Legs•Multilimb

Side effects by Braun1 7 parts 56k words (#60) Added Feb 1997 55k views 5.0 stars (6 votes) •Always Hard•Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase

Soccer story by wja18 A brainy teen gets a chance to experience being the popular soccer jock when he tries on his gear. 1,602 words Added Aug 2003 21k views 5.0 stars (6 votes) •Body Swap

Sugar packets by RdyRoger Envious of other guys who can grow muscle like it’s nothing, David decides to try some sugar packets left behind by some beachgoing studs. 4 parts 12k words Added Jul 2002 27k views 5.0 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

Tim and his body by Atokamematoke A gym accident victim gives an interview on how he copes with a body he can no longer control. 826 words Added Mar 2016 10k views 5.0 stars (6 votes) •Self-suck•Detachable

Transform: Auto upgrade by Also Known As Hank has a bit of car trouble far from home, but lucks out and encounters an automotive oasis whose burly mechanics will eagerly service his every need.  10k words Added Jan 2014 12k views 5.0 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Infectious •M/M•M/M/M/...

Transform: Phone sex by Also Known As Converting a guy to be one of the Transformed is easy enough in person. But what about over the phone? 5,573 words Added Jan 2014 13k views 5.0 stars (6 votes) •Cock Growth•Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Size Increase•Infectious •M/M•M/M/M

Transform: Teacher’s pet by Also Known As As students go, Raul is pretty cocky, and with good reason—even at detention with Mr. Titus and the rest of the Muscle Club. 8,100 words Added Jan 2014 13k views 5.0 stars (6 votes) •Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Size Increase•Infectious

TransformiMate: Product presentation by Cockatrice TransformiLabs unveils their latest transformation device: The TransformiMate. A product presentation you don’t want to miss! 2 parts 10k words Added Sep 2022 Updated 22 Oct 2022 4,878 views 5.0 stars (6 votes) •Human to Cock•Nosecock•Multicock•Four Legs•Multileg•Multilimb•Three Legs•Wristfeet•Muscle Growth•Crotchhead•Body Parts in Strange Places•Detachable•Transformation•Merging•Tentacle •NS

The trophy shelf by Cockatrice Connor is not looking for a long term relationship, but after seeing something on his fuckbuddy’s shelf, he has a change of heart… of sorts. 5,089 words Added Nov 2020 6,791 views 5.0 stars (6 votes) •Cum inflation•Human to Inanimate

Vlogger by Sithspawn An anonymous guy begins to notice strange changes in his body and starts a video blog to document what’s happening. 12 parts 22k words Added Mar 2021 Updated 27 Mar 2021 6,950 views 5.0 stars (6 votes) •Gradual Change•Transformation•Superhero/Supervillain•Flying•X-Ray Vision•All Dialog

What I learned on my vacation by BRK (Hint: it involves extra limbs and stuff.) 2 parts 2,038 words Added Jan 2006 12k views 5.0 stars (6 votes) •Multicock•Multilimb•Stretchy •M/M

You’re stuck with me, and I’m stuck with you by Salem Noctua All Erwin wants is to keep on sleeping. Unfortunately, he soon realises he is no longer in his room, and an older man who should not have been there is lying next to him! Where is he? Who is this man? And why can't he get away?! 18k words Added Jul 2023 1,938 views 5.0 stars (6 votes) •Multicock•Multihead•Plausible Size Difference•Age Difference•Merging•Complete •M/M

All your feet on the table by James Fourlegs The whole thing with wristfeet is really quite involved. 735 words Added May 2002 10k views 5.0 stars (5 votes) •Boytaur•Four Legs•Multileg•Multilimb•Wristfeet

Alpha Logan claims a beta by Eric Aaldersen Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. 4,961 words Added Dec 2021 11k views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Strength•Muscle/Strength•Gradual Change•Incest•Brothers•Hyper Pheromones•Supernatural •M/M

Alpha Luke saves the party by Eric Aaldersen Luke’s homecoming party escapades include romps in a change room, a hot tub, a friend’s bedroom, and a sauna! 8,757 words Added Feb 2020 7,845 views 5.0 stars (5 votes) •Huge Cock•Muscle/Strength•Bisexual•Supernatural

The body shop by BRK A special, experimental program at a small, friendly all-male college offers a range of body enhancements, and the scientists in charge are surprised at just how popular the extra limbs and cocks are with the students and faculty. 6 parts 5,703 words Added Oct 1997 14k views 5.0 stars (5 votes) •Multicock•Four Legs•Multiarm•Multileg•Multilimb•Complete •M/M•M/M/M

Building a species by ArdanWolfe When his homeworld faces annihilation, the sole survivor must find a new species capable of helping him preserve his race. Will he find what he needs on a tiny blue and green planet called Earth? 3 parts 2,562 words Added Jun 2021 7,221 views 5.0 stars (5 votes) •Cock Growth•Male Pregnancy•Transformation•Nonconsensual change•Aliens

Descent into pleasure by MrVince Young, athletic Rhett attends college where he does his best to stay disciplined with his schoolwork and his exercise routine. But he suddenly finds that his overwhelming fetish for male breasts is increasingly invading his life. 6,385 words Added Jan 2022 6,670 views 5.0 stars (5 votes) •Public Orgasm•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship •M/M

Eric by Brad Mercury While working on his car, Eric finally decides to show his best friend the extras he can grow. 4 parts 4,815 words Added May 2002 14k views 5.0 stars (5 votes) •Multicock•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb •M/M

Feet of magic by Brad Mercury A one-on-one with this handsome magician becomes many on many. 1,474 words Added May 2002 9,225 views 5.0 stars (5 votes) •Multicock•Multilimb

Geovan’s proposition by Pragmaton When a lonely fisherman in ancient Greece attends his childhood friend’s wedding, he is visited by a stranger that presents him with an unexpected destiny, as well as a ton of extra baggage. But that’s a small thing that can be overlooked…right? 2 parts 7,466 words Added Feb 2022 4,118 views 5.0 stars (5 votes) •Belly Growth•Size Increase•Getting Fatter•Pagan gods •M/M

Headless Joe by Alex Anders Andy’s ad for a roommate is answered by one of those guys with a detached head, and Andy can’t stop thinking about him. 1,736 words Added Mar 2022 3,044 views 5.0 stars (5 votes) •Detachable •M/M

Incubus garage by Quick Master An incubus of the lower realms aims to corrupt all of the men working at a greasy local garage into incubi. 3 parts 15k words Added Dec 2021 Updated 1 Jan 2022 14k views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Nipple Emissions•Multicock•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Human to Animal/Anthro•Tongue Growth•Hyper Pheromones•Infectious•Demons•Incubus/Succubus•Supernatural •M/M•M/M/M•M/M/M/...

The interrogation room by Pragmaton A suspect from a motorcycle gang is interrogated in a small room. But the officers soon find out they are unable to contain the big bellied bubba… 8,024 words Added Feb 2022 5,233 views 5.0 stars (5 votes) •Belly Growth•Size Increase•Getting Fatter•Inflation •M/M

It’s a Christmas miracle! by Richard Jasper It’s 2 a.m. Christmas Day, and Roger Jepson finds a very big surprise in his kitchen! 3,628 words Added Apr 2020 6,377 views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Christmas •M/M

A little more by BRK A lonely barista makes friends with three sexy brothers, leading to a drunken night of fun where he gets a chance to make a few changes in his life. 3,282 words Added Feb 2024 2,410 views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Nipple Emissions•Extra digits•Multi-abs•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Multitorso•Muscle Growth•Increased Libido•Getting Handsomer•Getting Taller•Tongue Growth•Suggestion•Incest•Brothers•Merging•Complete •M/M/M/...

Locked in by BRK Locked in the walk-in freezer by a vindictive coworker, Jianyu must now wait for the change to come over him. 1,762 words Added May 2020 5,157 views 5.0 stars (5 votes) •Hair Growth/Getting Hairy•Complete •M/M

My friend Jon by Martin Boyar Ever had one of those friends who can do anything? 1,427 words Added Sep 2004 8,962 views 5.0 stars (5 votes) •Four Legs•Multileg•Multilimb•Six Legs

My friend Lenny by Reuben Lenny keeps getting taller, transforming his life over and over again as he grows and grows. 10 parts 16k words Added May 2003 23k views 5.0 stars (5 votes) •Huge Cock•Getting Taller•Giants•Plausible Size Difference•Size Increase •M/M

My high school god by Peterbilt Real life story about the author and another student when we were in high school. 2 parts 11k words Added Feb 2017 12k views 5.0 stars (5 votes) •Muscle/Strength

Polypropylene muscle daddy by TitMorpher The wrestling team coach has the biggest muscle tits any of the guys had ever seen. But were they all muscle? Were they even real? 2,602 words Added May 2020 11k views 5.0 stars (5 votes) •Muscle Breast•Muscle/Strength•Age Difference•Stories with Images

Santa’s big surprise: Family visit by Silverfox Dad Muscle studs Jeremy and Marco are incredibly happy together thanks to Santa’s gift the year before, and with their stunning physiques they have money and fans and everything they could need. Now, if only their families weren’t coming for Christmas… 2 parts 6,719 words Added Dec 2018 10k views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Seniors•Christmas •M/M

Stanley’s cup by Ziel Jason has always wanted to play on the hockey team. It’s been his dream ever since he was a little kid. Unfortunately, his size and stature didn’t lend themselves to athletic endeavors. It seems he’s destined to live out his days helping the team from the sideline… not that that isn’t without its own perks. 5,959 words Added Oct 2020 10k views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Size Increase •M/M

Stretch by Josh Dugan OMG can this guy stretch. 986 words Added Jun 1997 13k views 5.0 stars (5 votes) •Stretchy

Tales of taurs by brazboy A series of miscellaneous short tales centered around boytaurs. 5 parts 6,935 words Added Dec 2023 Updated 13 Jan 2024 1,772 views 5.0 stars (5 votes) •Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Multi-abs•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Muscle/Strength•Plausible Size Difference •M/M•M/M/M/...

The threads of time by Josh Dugan On a gay centaur cruise, Josh discovers a race of hextaurs, and learns their amazing secrets. 2,845 words Added Jan 2017 5,322 views 5.0 stars (5 votes) •Lots of Legs•Multilimb•Centaurs

Tilling the soil by screamingmoist If you steal someone’s underwear in an attempt to copy their body, make sure you have the right locker first. 7,160 words Added Jun 2023 4,699 views 5.0 stars (5 votes) •Straight to Gay•Muscle Growth•Age Progression•Hair Growth/Getting Hairy•Retcon•Age Difference •M/M

Transform: Morning wood by Also Known As 8,923 words Added Jan 2014 15k views 5.0 stars (5 votes) •Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Size Increase•Infectious

Welcome back by LAComplex Lee’s parents have to face the reality of his repeated growth spurts as he comes back from the gym bigger than ever. Maybe signing him up for that experimental treatment was not such a good idea… 3,352 words Added Apr 2019 16k views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase •M

A whole new world by MarcusB00 Two siblings, looking for a profit, break into an abandoned facility for potential treasure. Along the way they accidentally open a portal and get sucked in, and one of them get woken up by young dude with muscle powers in a new world. 3 parts 10k words Added Nov 2020 Updated 26 Jun 2021 10k views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Destruction/Violence•Aliens

X-Dream Makeover by Cris Kane Rich from selling his tech stocks, David hopes to improve his love life with a makeover from a mysterious shop in Chinatown. 4 parts 16k words Added Sep 2018 11k views 5.0 stars (5 votes) •Getting Dumber•Other Mental Changes•Muscle Growth•Transformation•Age Progression •M/M•M/M/M

X-Dream Makeover: Billy Farrow’s night out by Cris Kane A pop star is given a night of anonymity to explore San Francisco in a hunky new body, thanks to Mr. Lee’s magic. 3 parts 14k words Added Oct 2018 8,154 views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Race/Ethnicity Change•Hair Growth/Getting Hairy •M/M•M/M/M

Yahahaa by Ziel Leit, a wandering swordsman and would-be hero has befriended(?) a forest spirit, and a rather powerful one at that. Although, the blessings of a lesser god of growth and fertility might be more than Leit can handle.  3,063 words Added Aug 2023 3,213 views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Orcs•Fantasy Realm•Pagan gods •M/M•M/M/M/...

4.5+ Stars 819

Gene hack by Mikeytron New gene therapies allow bodybuilders to grow larger than ever before. But beware if you opt for a cut-rate procedure instead. 4,337 words Added Oct 2022 8,497 views 5.0 stars (23 votes) •Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Gradual Change•Blood•Halloween•Complete •M/M

Spice up your life by Musclesaber Roommates Sam and Collin try to return to a life of normalcy after the pandemic. Trying to have a get together with friends, Sam buys a new spice pack at the store that has some surprises in store for the pair. 8 parts 22k words Added Feb 2021 Updated 7 Aug 2021 26k views 5.0 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Butt Growth•Belly Growth•Getting Taller•Fourth of July•Set during the Pandemic •M/M

Bakecraft and broomsticks by Ferin Rosca A new bakery opened in town. You just gotta try their sweets, they are absolutely life changing! 3 parts 6,447 words Added Oct 2022 Updated 11 Feb 2023 8,157 views 5.0 stars (21 votes) •Cock Growth•Muscle Growth•Transformation•Plausible Size Difference•Size Decrease•Orcs•Supernatural •M/M

The blue pumpkin by BRK Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… 6 parts 8,774 words Added Oct 2020 11k views 5.0 stars (20 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multiarm•Multilimb•Multitongue•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Mouthcock•Incest•Twins•Selfcest•Merging•Supernatural•Halloween•Complete •M/M•M/M/M•M/M/M/...

Mysterious kidnapping by Joven Jared and Derek are traveling abroad when they’re suddenly kidnapped and secreted away in an isolated room… naked. They naturally become aware of each other’s junk, though Derek isn’t too pleased by Jared’s attention. But the situation with their equipment only gets more intense… 13 parts 23k words Added Feb 2018 Updated 13 Apr 2018 29k views 5.0 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Butt Growth •M/M

Wide receiver by Logan Haller Dominic Hardy is a media personality and a former professional football player. He proudly considers himself “the most aggressive top on the planet.” He’s the alpha gay in any room. But a quest for a scientific fountain of youth will lead him to discover aspects of himself he didn’t know existed, and a few that weren’t there before they were installed in him by an extraordinarily handsome mad scientist. 7,537 words Added Oct 2023 5,223 views 5.0 stars (20 votes) •Cock Growth•Huge Cock•Dom to Sub•Straight to Gay•Muscle Growth•Increased Libido•Getting Handsomer•Transformation•Age Regression•Hyper Pheromones •M/M

An app for the ages by Seth Peterson An app that can change people on a whim? A totally ego-maniacal straight boy with a strong distaste toward his nerdy, unappreciative roommate? Well, things can only get more exciting from here, can’t they? 3,147 words Added Dec 2018 37k views 4.9 stars (24 votes) •Cock Growth•Huge Cock•Butch-to-Fem•Getting Dumber•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Getting Taller•Hair Growth/Getting Hairy•App•Nonconsensual change •M/M

The application by SuperWaffle A powerful story in which an anthro fox named Bradley learns that a body-morphing app is a wondrous, life-changing thing for himself and for new friends as well—if it doesn’t fall into the wrong hands, that is. 8 parts 44k words (#85) Added Apr 2015 50k views 4.9 stars (24 votes) •Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase•Hair Growth/Getting Hairy•App•Anthro/Furry •M/M

First big date by Peterbilt Ben’s story of his relationship with young Jason covers many years, including getting the deets of Jason’s first big date. 3 parts 37k words Added Dec 2007 33k views 4.9 stars (24 votes) •Cock Growth•Huge Cock•Public Orgasm•Muscle/Strength•Age Difference•First Time/Virgin •M/M

Doubling up by BRK All the dorm rooms in Bryce’s building are being combined with another, and everyone’s doubling up. What isn’t immediately apparent is that it isn’t the rooms that are being merged—it’s the roommates. 3 parts 7,007 words Added Jun 2013 Updated 1 May 2015 27k views 4.9 stars (23 votes) •Always Hard•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Stacking•Incest•Twins•Merging •M/M•M/M/M•M/M/M/...

Incubus dreams by JJ Staxx Blake is stuck in a bathroom at the gaming hub with a problem that’s only getting bigger. 15 parts 18k words Added Apr 2023 Updated 2 Sep 2023 17k views 4.9 stars (23 votes) •Cock Growth•Huge Cock•Nonconsensual change•Incubus/Succubus•Witch/Warlock/Wizard•Stories with Images •M/M

The Ixlutani by Lloyd Irving Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. 9 parts 54k words (#62) Added Jun 2021 Updated 14 Aug 2021 21k views 4.9 stars (23 votes) •Cock Growth•Cut to Uncut•Cock Shrinking•Cock Theft•Huge Cock•Straight to Gay•Muscle Theft•Muscle/Strength•Increased Libido•Transformation•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Bisexual•Hetero Sex•Supernatural •M/M•M/F

No reason boner by Egi While slogging through high school, Quinn becomes inconvenienced by something that happens to every teenager. However, this problem is much more serious for him, and maybe isn’t actually a problem at all. 8 parts 14k words Added Jun 2017 Updated 9 Mar 2018 27k views 4.9 stars (22 votes) •Cock Growth•Self-suck•Gradual Change •t/t

Seth’s life changing adventure by Navy Alpha Pup Seth has settled into his post-corps life, or thinks he has—until he meets a fellow ex-Marine who offers him everything he didn’t know he wanted. 10 parts 37k words Added May 2019 Updated 14 May 2022 27k views 4.9 stars (22 votes) •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Voice Deepening•Destruction/Violence•Dom/Sub•Humiliation•Sex-Slave•Bodily Fluids•Alcohol •M/M

The djinn by hyperboi 8 parts 14k words Added Dec 2012 40k views 4.9 stars (21 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Djin/Jinn/Genie

Mutation by BRK Everyone in Portia, Alaska has been grown thicker and stronger and made irresistibly beautiful, but none more than the teens in the high school. Geek genius Mr. Lewis tries to roll back the most extreme changes in Mr. Casey’s class as a test case, but the trial doesn’t go anywhere near as planned. 4 parts 9,583 words Added Jun 2010 Updated 27 Jul 2018 73k views 4.9 stars (21 votes) •Cock Growth•Huge Cock•Hyper Cock•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Selfcest

They came from outer space by WordShop Playing with meteors can have strange side effects. Two young brothers living near a military base find themselves changing from exposure to meteorite dust. 4 parts 13k words Added Oct 2017 Updated 24 Nov 2017 23k views 4.9 stars (21 votes) •Cock Growth•Plants•Brothers •M/M

Benefit of the doubt by BRK Pete decides to do something about the way people always underestimate him because of his size. His first step is to get a tattoo... 3 parts 5,953 words Added May 2022 13k views 4.9 stars (20 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Gradual Change•Voice Deepening•Getting Taller•Size Increase•Retcon •M/M

Drug test by Also Known As 8 parts 16k words Added May 2011 53k views 4.9 stars (20 votes) •Cock Growth•Huge Cock•Cum inflation•Addiction•Muscle Growth•Muscle/Strength•Size Increase

The procedure by UberPump Jerry finds out about a special, experimental procedure to make his cock and balls bigger. To pursue his life with a much bigger cock than his 8.5 inches of glory, he makes an appointment with Dr. Meyers. The procedure proceeds without a hitch, giving Jerry a much, much larger cock. However, Jerry is never satisfied. To him, “There’s no such thing as... too big”… right? 5,112 words Added Jan 2024 4,459 views 4.9 stars (20 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Increased Libido•Forced Growth•Inflation •M/M•NS

Brotherly love by TheSizeKing Reece is a 20-year-old guy who has everything going for him in life: good looks, good brains, good personality, even a well-above average endowment between his legs. His younger brother, Michael, is exactly the opposite. Michael is about to turn 18, and could use a little boost before he goes out into the adult world. 5 parts 7,816 words Added Apr 2020 19k views 4.9 stars (19 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •M/t

Centaur mania by Josh Dugan How come it's the mad geniuses who get to have all the fun? 1,887 words Added Jun 1997 18k views 4.9 stars (19 votes) •Huge Cock•Multicock•Lots of Legs•Multileg•Multilimb•Centaurs

Finding Owen by BRK Owen Banks witnessed Max finding his destiny up on the mountain, then realized he was changing, too. Was he like Max, or was something else awakening within him? He decided he was going to find out. 12 parts 73k words (#39) Added Aug 2019 Updated 11 Sep 2021 28k views 4.9 stars (19 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Destruction/Violence•Werebears•Werewolves•Supernatural•Complete •M/M•M/M/M

The four jocks: College buddies by NBCK99 NBCK99 tries his hand at a "Four Jocks" story, involving four insanely hot jocks growing and changing each other as they feed each others’ attraction and arousal. 4,873 words Added Aug 2015 21k views 4.9 stars (19 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Multicock•Multilimb•Muscle Growth•Muscle/Strength•Retcon•Incest•Brothers

Primal supremacy by Mikeytron A sequel to “Primal Attraction.” Ian is a short twink who wants to be a monster. Years in the gym have only given modest results. Then, one fall, things start to change. He’s finally growing, but he’s in denial for some reason as the changes accumulate. Worse, it feels like something is stalking him...  5,864 words Added Dec 2022 5,861 views 4.9 stars (19 votes) •Hyper Muscle•Muscle Growth•Muscle/Strength•Gradual Change•Human to Animal/Anthro•Hair Growth/Getting Hairy•Werewolves•Supernatural•Complete •M/M

Werequeer by Pfieffer A dad helps his son through his first transformation into a WereQueer. 2,426 words Added Apr 2004 31k views 4.9 stars (19 votes) •Cock Growth•Huge Balls•Hyper Cock•Hyper Cum•Transformation•Age Difference•Incest•Father/Son

When you wish for a bigger cock by UberPump Be careful what you wish for... you may just end up with exactly what you wanted and then some!  Our character wishes upon a falling star that his cock would grow big enough that he could self-suck.  His wording was not specific enough, as his cock grows much, much bigger, forcing his throat to take it all. 2,654 words Added Aug 2023 8,188 views 4.9 stars (19 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Man Scent•Increased Libido•Voice Deepening•Forced Growth•Inflation •M

Adventures of an Ivy League himbo by iHeywood This is a story all about how Liam Montgomery became the best himbo ever while a student at an Ivy League university. 2 parts 5,749 words Added Jun 2022 12k views 4.9 stars (18 votes) •Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Male Pregnancy•Incest•Father/Son•Set in the Future•Hyper Anus •M/M•M/M/M

Ascension by Ziel Zach awakens to find himself strapped to a table in a strange place with only a robotic voice for company. There’s a lot of questions on his mind, but none more important than what is this “ascension” the voice is talking about? 3,800 words Added Aug 2021 15k views 4.9 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Restraints•Complete •M

Critical mass by UberPump Bryan is just a High School Senior, ready to get his miserable life over with at this wretched place. No one seems to notice the small, scrawny 5-foot-3 teen, with the exception of the school bully. Albert teases Bryan all the time, his goons joining in. After school, Bryan stumbles upon one of his dad’s latest creations at his Bio Medical Research facility ande decides to take the mysterious serum in hopes of one-upping Albert. Bryan’s life, and body, changes forever. But there are side effects that none of them foreseen... 5,082 words Added Feb 2024 8,016 views 4.9 stars (18 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Public Orgasm•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Foot Growth•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•Father/Son•Bisexual•Humiliation•Nonconsensual change•Bodily Fluids •M/M•t/t/t

Juggernaut by ghostwriter On a study abroad excavation, a black college student and former jock finds a mysterious red crystal belonging to the god Cytorak…what could happen? 4 parts 5,856 words Added Jun 2018 Updated 13 Jul 2018 20k views 4.9 stars (18 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase•Hetero Sex•Destruction/Violence

Kenji by Dream Big The new stock guy at work, Kenji, is Sam’s pure fantasy—cute, tall, muscled, cheeky, and packing—and Kenji seems just as appreciative. There’s a secret about how Kenji got that way, though, which Sam accidentally discovers the hard way. 6 parts 19k words Added Feb 2019 Updated 2 Mar 2019 25k views 4.9 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Race/Ethnicity Change•Nanotech •M/M

Pollination by Absman420 The beginning of the most erotic alien invasion/muscle growth story… ever! 5,867 words Added Oct 2020 12k views 4.9 stars (18 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Plants•Aliens •M/M

Changing fortunes by MuscleAndBulge Mark is seeking help with a relationship that has lost its spark. He is pointed in the direction of a fortune teller who has some extra skills that help Mark and Erik rekindle their love life. 2 parts 6,137 words Added Jun 2021 Updated 10 Jul 2021 14k views 4.9 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Lycra/Spandex •M/M

The Christmas ghost of FitzHardinge Manor by BRK A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. 3 parts 22k words Added Dec 2017 Updated 22 Dec 2018 15k views 4.9 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Destruction/Violence•Mermen•Ghosts•Incubus/Succubus•Witch/Warlock/Wizard•Supernatural•Christmas•Immortality•Invisibility•19th Century •M/M•M/M/M

Finding Mark by nightwolf285 Turning 16 means lots of changes for Mark. The one he’s not expecting is the ability to change his own body. 11 parts 29k words Added Oct 2010 45k views 4.9 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •t•t/t

The greed demon by Marquis de Rent A greed demon finds a human with immense greed and decide to have some fun with him. 2 parts 7,674 words Added Oct 2017 Updated 27 Oct 2017 28k views 4.9 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Demons•Incubus/Succubus •M/M•M/Inh

Induced transformation: a brief history by BRK A father explains to his son that back in his day, they didn’t have any of these fancy-schmancy apps with built-in retcon. Back then, if you changed someone, they changed, and everyone had to just suck it up and deal with it. 2,248 words Added Jun 2020 13k views 4.9 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Replication•Muscle Growth•Age Regression•App•Retcon•Age Difference•Incest•Brothers•Father/Son•Selfcest•Nonconsensual change•Infectious•All Dialog•Complete •M/M•M/M/M/...

The little spoon by Ziel "September’s Patreon topic was shrinking. I really need to work with some shrinking stuff more often. I love playing around with different sizes, and if I had spent time at each size this would have turned into a novel instead of a short story." 2 parts 12k words Added Nov 2014 Updated 13 Jan 2024 18k views 4.9 stars (17 votes) •Muscle Growth•Size Decrease•Size Increase •M/M

Needham High Mavericks by BRK Motivating the team has been taken up a notch. 4 parts 14k words Added Aug 2005 Updated 20 Oct 2018 20k views 4.9 stars (17 votes) •Cock Growth•Multicock•Replication•Muscle Growth•Muscle/Strength•Gradual Change•Selfcest •M/M•M/M/M

Onion Hill Manor by William Allen Unremarkable twenty-something gets a new job working at a strange mansion alongside a team of beefy, muscle hunks. 5 parts 26k words Added Oct 2017 Updated 8 Dec 2017 26k views 4.9 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Multileg•Multilimb•Straight to Gay•Immobility•Muscle Growth•Muscle/Strength•Getting Handsomer•Transformation•Giants•Size Decrease•Size Increase •M/M•M/M/M

The perfect body by Cockatrice Nathan’s vision of having the perfect body involves being part of another person’s body. 3,972 words Added Jan 2020 7,872 views 4.9 stars (17 votes) •Human to Cock•Straight to Gay•Merging

Prodigal runner by Michverdun No matter how good a transformation may seem, sometimes you just gotta run from it. A story set in Mikeytron’s “Molten Wings” universe. 12k words Added Jul 2022 6,653 views 4.9 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Nonconsensual change•Nonconsensual sex•Supernatural •M/M

Anthony by Chronologious Jack is having vivid dreams about his friend. Pure imagination or a sign of what’s to come? 6 parts 16k words Added Mar 2021 Updated 3 Apr 2021 23k views 4.9 stars (16 votes) •Cock Growth•Muscle Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase•Destruction/Violence •M/M

The Black Knights: Coming home by Meddler Incs When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for. 14 parts 24k words Added Oct 2018 Updated 21 Dec 2019 21k views 4.9 stars (16 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Nonconsensual change•Aliens•Symbiotes •M/M•M/M/M

Curious cats by FanTCMan 8,423 words Added Nov 2002 36k views 4.9 stars (16 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Nonconsensual change

The expedition by BRK An archaeologist and his research assistant, joined at the last minute by a jock desperate to boost his GPA, embark on a preliminary exploration of a mysterious Aegean island. 16 parts 37k words Added Jul 2021 Updated 1 Oct 2022 19k views 4.9 stars (16 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multihead•Boytaur•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitongue•Replication•Stacking•Hyper Strength•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Tongue Growth•Age Difference•Selfcest•Infectious•Merging•Shared Body•Centaurs•Pagan gods •M/M•M/M/M

First costume by Cockatrice Luke is invited to a special Halloween party, though he does not know yet just how special that party is going to be. 6,359 words Added Oct 2020 11k views 4.9 stars (16 votes) •Cockless•Multihead•Wristfeet•Crotchhead•Detachable•Transformation•Body Suit•Human to Inanimate•Mouthcock•Rubber/Latex•Merging•Androids/Cyborgs•Centaurs•Halloween •M/M•M/M/M

Free upgrade by BRK A harried traveler on a multi-leg international trip starts getting free upgrades every time he tries to get his seat assignment, and they aren’t just to his cabin class. 1,746 words Added Jun 2019 8,567 views 4.9 stars (16 votes) •Multicock•Multiarm•Multileg•Multilimb•Three Legs•Replication•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Selfcest•Nonconsensual change•Complete •M/M•M/M/M

Spare by Double-U Dan, a muscular football jock, attempts to recruit his friend, Tom, for a football tournament after his team ends up short a man. When Tom declines, pleading a lack of skill and stamina, Dan offers Tom something that he ultimately can’t refuse. 4,474 words Added Sep 2017 14k views 4.9 stars (16 votes) •Muscle Growth•Muscle/Strength•Body Suit

The Vale by CockTFBoi When Kurt inherits a remote mansion from his uncle, he decides to spend the summer there with his friends. Andy and Oliver join him at the start of the summer to explore the house, but the place is surrounded by a huge valley located deep in the wilderness far from civilization. As strange events begin to unfold, the trio must figure out what is happening to them. 5 parts 34k words Added May 2023 Updated 30 Sep 2023 11k views 4.9 stars (16 votes) •Always Hard•Cock Growth•Cut to Uncut•Cock Shrinking•Cock Theft•Cockless•Huge Balls•Ball Growth•Human to Cock•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Boytaur•Four Legs•Butch-to-Fem•Muscle Growth•Always Shirtless•Public Nudity•Pointy Ears•Voluptuous Men•Butt Growth•Increased Libido•Gradual Change•Transformation•Size Decrease•Human to Inanimate•Hairless•Getting Fatter•Cock Cage•Dom/Sub•Nonconsensual sex•Restraints•Dildos/Toys•Anthro/Furry•Orcs•Werewolves •M•M/M•M/M/M•M/M/M/...

Alt-world by BRK The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers... 2 parts 5,265 words Added Jul 2011 Updated 27 Jul 2011 29k views 4.9 stars (15 votes) •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Multilimb•Replication•Muscle/Strength•Plausible Size Difference•Size Increase•Incest•Twins•Selfcest •M/M

The cleric’s infernal husband by Eclipse The Demon Lord who has conquered most of the mortal world has finally met his match: a simple cleric. 6,498 words Added Oct 2021 4,721 views 4.9 stars (15 votes) •Muscle Growth•Demons•Fantasy Realm•Supernatural •M/M

Don’t delete this email by NBCK99 Just keep reading, and keep and open mind. Relax your mind, relax your body. Your body is far more malleable than you realize. 1,506 words Added Jun 2015 13k views 4.9 stars (15 votes) •Huge Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Muscle Growth •M

Fun with math by Josef Howard Todd’s lusting admiration for his well-built math prof leads to some after-class lessons—and some surprisingly effective equations relating to size and muscle. 2,294 words Added Mar 2003 19k views 4.9 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase •M/M

Hothorne Academy by Also Known As Toby is selected for a full scholarship to a prestigious prep school he’s never heard of, and from the moment he arrives he’s stunned by how amazing the place is, how hot the guys are, and the fact that he’s more turned on, moment by moment, than he’s ever been before. 3 parts 20k words Added Sep 2018 Updated 16 Feb 2019 12k views 4.9 stars (15 votes) •Huge Cock•Muscle/Strength •M/M

Knighthood by Architect of Men As young squire Sebastian celebrates becoming a real knight, he has only one misgiving: his scrawny stature compared to his new compatriots. Fortunately, his mentor has laid plans to help him overcome this problem. 3 parts 3,848 words Added Nov 2021 Updated 11 Dec 2021 11k views 4.9 stars (15 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Hair Growth/Getting Hairy•Fantasy Realm •M

The magician by The Gecko Rose Rich doesn’t believe in magic, until a little-known Vegas stage magician with some remarkable purple paste shows him and his two eager friends (not to mention an audience of very interested guys) exactly what magic can make possible. 8 parts 12k words Added Jul 2015 Updated 13 Apr 2018 25k views 4.9 stars (15 votes) •Cock Growth•Hyper Cock•Multicock•Stretchy•Detachable•Hypnosis •M/M•M/M/M

Morphling by Apollo’s Meat A freshman college student takes home hot, freaky Seth, and later puzzles over what Seth called him: "morphling". 2 parts 3,693 words Added Feb 2014 Updated 31 Mar 2014 27k views 4.9 stars (15 votes) •Cock Growth•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Transformation •M/M

Quarantined by MuscleNexus Devon is excited to hear his lover is returning from his overseas deployment early, after escaping the outbreak of a strange virus that put the rest of his team in quarantine. Only, Scott doesn’t seem to be quite himself… 1,870 words Added Aug 2018 11k views 4.9 stars (15 votes) •Muscle Growth•Muscle/Strength•Nonconsensual change•Infectious

The source: a Henry Himura mystery by Proteus Henry is hired to track down a missing young man named Samuel Roth. The trail leads him to a gym and a mysterious serum called Hard-T. 11 parts 16k words Added Aug 2013 23k views 4.9 stars (15 votes) •Cock Growth•Huge Cock•Getting Dumber•Muscle Growth•Muscle/Strength•Gradual Change•Plausible Size Difference•Hair Growth/Getting Hairy •M/M

Tales from the dark city by Ogrebear A human cutpurse escapes his pursuers, finding safety in, of all places, an orc buck bar. You can figure out what happens next. 7 parts 46k words (#82) Added Jun 2005 27k views 4.9 stars (15 votes) •Cock Growth•Huge Cock•Cum inflation•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Pointy Ears•Transformation•Plausible Size Difference•Size Increase•Race/Ethnicity Change•Hair Growth/Getting Hairy•Destruction/Violence•Dom/Sub•Humiliation•Restraints•Demons•Orcs•Fantasy Realm•Mind Control •M/M

Titan video by Anonymous A talented admirer of extremely muscular men decides to start making videos featuring a few unsuspecting subjects. 2 parts 7,735 words Added Jul 2002 29k views 4.9 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Nonconsensual change •M/M

Bloody pumpkin fuckers by NioSatyr Three frat bros go into the dark forest on Halloween. The blood moon shining on a wild pumpkin patch promises growth and transformation. 7,196 words Added Oct 2021 18k views 4.9 stars (14 votes) •Always Hard•Cock Growth•Cockfucking•Huge Balls•Huge Cock•Nipcocks•Prehensile Cock•Hyper Cum•Nipple Emissions•Multi-balls•Multicock•Multiarm•Multipec•Stacking•Wings•Getting Dumber•Straight to Gay•Hyper Muscle•Muscle Breast•Muscle Growth•Stretchy•Increased Libido•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Hyper Tongue•Tongue Growth•Mouthcock•Tailcock•Plants•Anthro/Furry•Dragons•Werewolves•Supernatural•Halloween •M/M/M

The construction worker by Peterbilt A troubled young hardhat named Jordan is helped through a series of self-discoveries by Joe, a father-figure who comes to mean more and more to Jordan. 22k words Added Sep 2015 27k views 4.9 stars (14 votes) •Cock Growth•Huge Cock•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Father/Son

Delivery by Hairymusclemorphs Delivery guys these days aren't always the innocent playboys you'd wish for. 2 parts 7,421 words Added Mar 2024 3,035 views 4.9 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Dom to Sub•Muscle Growth•Man Scent•Voice Deepening•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Dom/Sub•Nonconsensual change•Complete •M/M

Letters flew across the room by MainAttraction A tale of a man suffering the heat and eagerly awaiting a nice breeze. 2 parts 3,571 words Added Aug 2018 12k views 4.9 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Replication•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Selfcest •M/M

Morning body by BRK An intense capacity for imagination makes real the things others only dream of. 2 parts 8,240 words Added Nov 2003 24k views 4.9 stars (14 votes) •Cock Growth•Huge Cock•Self-suck•Replication•Wings•Gradual Change•Getting Taller•Selfcest•Flying•Complete •M/M•M/M/M

Repair and alteration by Keyed Ricky wants to get bigger, but working out and eating right haven’t done the trick. That why he’s standing outside a door in the side of a dingy warehouse marked with a number and the words “Genetic Repair and Alteration.” 2,478 words Added Sep 2018 11k views 4.9 stars (14 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

School for studs by Josef Howard Eldon agrees to hand himself over the so-called School for Studs for three years, knowing that the sex they’ll arrange for him with the sexy well-to-do will be worth the commitment. What he doesn’t expect is the expect the other Studs will have on him. 8 parts 17k words Added Feb 2017 Updated 17 Mar 2017 22k views 4.9 stars (14 votes) •Hyper Cum•Straight to Gay•Muscle Growth•Muscle/Strength•First Time/Virgin

Wormholing by BRK Corey has a secret ability to pull objects through space from one place to another. He doesn’t ever want his lover, Will, to find out, until one day he faces a temptation he’s increasingly unable to resist. 4 parts 14k words Added Sep 2022 Updated 16 Sep 2023 4,099 views 4.9 stars (14 votes) •Replication•Selfcest•Witch/Warlock/Wizard •M/M

C is for… by King Dave Owen decides to order some custom health supplements online. He never expected them to have these kinds of side effects. 4 parts 8,701 words Added Feb 2021 Updated 6 Mar 2021 18k views 4.9 stars (13 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Age Regression

Conjoining cream by frooooooo Cole’s sexy roommate Alex admits he got help with his body from a website called ModBod. Cole then discovers they sell other stuff besites muscle enhancers. 1,291 words Added Feb 2012 15k views 4.9 stars (13 votes) •Merging •M/M

Costumemania: The sticky super suits by Redouan Robin and Sven are two nerdy friends working at an office. They both love superheroes but are too invested in their office life to take the hobby further. But something is about to change this as they receive two costumes to wear for an upcoming event. 15 parts 57k words (#56) Added Aug 2020 Updated 22 Oct 2022 24k views 4.9 stars (13 votes) •Cock Growth•Gender Swap•Straight to Gay•Hyper Strength•Muscle Growth•Muscle Worship•Man Scent•Getting Taller•Size Increase•Dom/Sub•Nonconsensual change•Lycra/Spandex•Witch/Warlock/Wizard•Superhero/Supervillain•Flying •M/M•M/M/M

Joined at the hip by Cockatrice Gabe joins his friends for one of their regular board game evenings. There is just one thing he forgot to tell them… 2,689 words Added Mar 2023 2,043 views 4.9 stars (13 votes) •Cock to Human•Merging •M/M

Laundry day by John Perrot Bored while doing his laundry in the dorm basement, campus hunk John starts working his massive tool—only to be interrupted by someone even more impressive and potent than he is. 6,863 words Added Apr 2022 6,952 views 4.9 stars (13 votes) •Huge Cock•Muscle/Strength•Muscle Worship•Dom/Sub •M/M

Peter and the magic forest by Shamash Peter takes a shortcut through the “Cursed Woods”, rumored to be full of wild beasts. Little does he know that this detour will bring him into contact with the inhumanly sexy, horny denizens of the Woods and leave him permanently transformed… 2,371 words Added Apr 2020 8,603 views 4.9 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Breast•Muscle Growth•Size Increase•Fantasy Realm •M/M•M/M/M

The power of suggestion: Wetbar by BRK A night out at the bar leads to a series of changes to a very happy young clubgoer. 2,751 words Added Feb 2009 27k views 4.9 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Public Orgasm•Multi-abs•Multicock•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Transformation•Plausible Size Difference•Size Increase•Age Regression•Mouthcock•Retcon•Suggestion•Brothers•Twins•Selfcest•Complete •M/M/M

Satyr in the city by Muscle Bear Daddy A rough, unasked-for encounter into the woods leads to induction into a new life as a satyr. 3 parts 3,980 words Added May 2017 Updated 16 Mar 2019 19k views 4.9 stars (13 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Nonconsensual change•Anthro/Furry•Satyrs •M/M

Summer heat by Michverdun When Clyde finds a dragon that had been trapped in ice for centuries, he tries to figure out the dragon’s past while helping him acclimate to the future. 15k words Added Aug 2023 3,298 views 4.9 stars (13 votes) •Huge Balls•Huge Cock•Hyper Muscle•Muscle Growth•Muscle Worship•Anthro/Furry•Anthro/Scaly•Dragons•Complete •M/M

The swimming hole by JayPat When Matt laments the sadly unmuscled state of his young body, all he hears is that he has to put in the work. Only, his swimming buddy Jimmy seems to be getting muscles all on his own, and he’s not even hitting the gym… 8 parts 43k words (#90) Added Sep 2018 32k views 4.9 stars (13 votes) •Muscle Growth•Muscle/Strength•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Complete •t/t

Tripod by matt1008 A college student explains how he got his intriguing nickname. 7,435 words Added Aug 2022 6,887 views 4.9 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Bisexual •M/M•M/M/M•M/F

You have that effect on me by Krisiar With it being after hours and so hot in the office besides, Danny decides to relax the dress code a bit while he makes his underling, Tim, work late. 3,467 words Added Oct 2011 29k views 4.9 stars (13 votes) •Cock Growth•Huge Cock•Nipple Emissions•Muscle Growth•Muscle/Strength •M/M

Esgrow by Ziel Gil is the quintessential dweeb. Just a short, scrawny, number-crunching nerd… until he decides to make some modifications to a certain legal document. 2 parts 4,979 words Added Jun 2021 Updated 8 Jan 2022 13k views 4.9 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M/M/...•NS

The locker room thief by CockTFBoi Riley, a personal trainer, heads into the gym to get ready for his first client of the day. Things take a strange turn when his client, Ethan, suggests a new exercise regimen. 3,234 words Added Jan 2021 19k views 4.9 stars (12 votes) •Cock Growth•Cock Shrinking•Cock Theft•Muscle Growth•Muscle Theft•Getting Taller•Size Decrease•Size Increase •M/M

Pansexuality—An Abyssus Abbey Story by Pen Darke After an encounter with a strange, demonic creature, a young shepherd finds himself changing and growing in surprising ways. 7,366 words Added Mar 2024 1,294 views 4.9 stars (12 votes) •Cock Growth•Ball Growth•Muscle Growth•Transformation•Incest•Satyrs •M/M

Peoplechange by BRK Frankie’s ancestral world-changing ability, which he didn’t even know he was getting, mixes unpredictably with his friend Aaron’s new interest in hypnosis. 3,938 words Added Aug 2023 5,407 views 4.9 stars (12 votes) •Always Hard•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Multi-abs•Muscle Growth•Increased Libido•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•Retcon•Hypnosis •M/M

Practical FX by MuscleMonkeh A special effects movie mogul, used to getting his own way, tries to muscle an especially gifted young producer into working for his production company. 5,070 words Added Jun 2018 15k views 4.9 stars (12 votes) •Cock Growth•Muscle Growth•Muscle Gut•Transformation•Size Increase•Human to Animal/Anthro•Age Difference•Nonconsensual change•Anthro/Furry•Fantasy Realm•Mind Control •M/M

Santa’s big surprise by Silverfox Dad Jeremy has not only been obsessed with Santa, he's seen him and knows he's real. So when a friend at the gym gives him a muscle-growth supplement meant to give him confidence enough to talk to his beautiful bodybuilder crush Marco, Jeremy decides instead to give Santa a gift of his own. 3 parts 7,594 words Added Jan 2017 19k views 4.9 stars (12 votes) •Muscle Growth•Muscle/Strength•Size Increase•Infectious•Christmas •M/M

Self-improvement by BRK Cam needs to get the cute guy he’s dosed with a little bit of experimental physio-changing serum to say what he wants in order for the transformations to start. He’s planning to keep things small and subtle, only Aiden isn’t as bashful as he appears, and he’s also just a tiny bit drunk. 4,175 words Added Sep 2018 14k views 4.9 stars (12 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Gradual Change•Suggestion•Selfcest•Aliens•Complete •M/M•M/M/M

Superstud and Macromale: The Sword of Justice by brazboy Macromale, your ordinary neighborhood hero, hears a villain called Manhunter wants to steal the Sword of Justice, except no one is aware of what exactly that is. 6 parts 26k words Added Jul 2022 Updated 13 Aug 2022 11k views 4.9 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase•Superhero/Supervillain •M/M

12 days of Growthmas by MaxMorphs Two magical Christmas Gnomes grant Max the ever-evolving gift of growth. Throughout December, Max transforms into one of his hottest fantasies. Of course, there’s a price for your dreams coming true. 14 parts 15k words Added Dec 2022 12k views 4.9 stars (12 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Cum inflation•Hyper Cum•Hyper Muscle•Immobility•Muscle Breast•Muscle Growth•Increased Libido•Foot Growth•Getting Handsomer•Gradual Change•Getting Taller•Hair Growth/Getting Hairy•Complete •M/M

Twinmaster by BRK You can get lots of strange stuff on eBay—even a Twinner 3000. And if you’re obsessed with twins, you might just buy it even if there’s no chance in hell it could possibly work. 4 parts 3,500 words Added Mar 2004 10k views 4.9 stars (12 votes) •Cock Growth•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Selfcest•Complete •M/M•M/M/M

You and I: The greatest fuck in the world by Also Known As Has the world-altering protagonist, the self-proclaimed most perfect and most powerful man in the world, met his match? 3 parts 17k words Added Apr 2019 Updated 1 Jun 2019 13k views 4.9 stars (12 votes) •Cock Growth•Huge Cock•Other Mental Changes•Muscle Growth•Muscle/Strength•Suggestion •M/M

The Arsenal of Secrets by BRK Griffin, tired of being smaller than his farm-brute brothers, stumbles backwards into a way to make himself more like what he wants to be: big and strong enough to catch the eye of a beautiful, bashful, broad-shouldered apprentice blacksmith named Wass. 10 parts 26k words Added Aug 2020 9,955 views 4.9 stars (11 votes) •Cock Growth•Huge Cock•Multi-abs•Multiarm•Multilimb•Muscle Growth•Transformation•Getting Taller•Size Increase•Fantasy Realm•Complete •M/M

The boytaur next door by BRK Phil moves into a new apartment and is perplexed and aroused to discover that his new next-door neighbor has more going for him than most guys do. 4 parts 7,551 words Added Mar 2022 6,004 views 4.9 stars (11 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Always Shirtless•Gradual Change•Getting Taller•Retcon•Witch/Warlock/Wizard•Complete •M/M

Business affair by Also Known As Terry wasn’t gay. He wasn’t, he wasn’t, he wasn’t. So why was even the thought of his new co-worker, John Smith, getting him so hot? Can he survive the upcoming business meeting without blowing… his cool? 2 parts 6,277 words Added Jan 2014 18k views 4.9 stars (11 votes) •Cock Growth•Cut to Uncut•Huge Cock•Muscle Growth•Muscle/Strength •M/M

ChatBod by BRK Looking for an unusual gift for his lover, Jeff finds an AI imagery site that seems eager to dream up their fantasy versions of each other. 3 parts 9,799 words Added Oct 2023 Updated 17 Feb 2024 10k views 4.9 stars (11 votes) •Cock Growth•Cock Shrinking•Huge Cock•Hyper Cock•Extra digits•Multicock•Multiarm•Multilimb•Multitongue•Straight to Gay•Muscle Growth•Stretchy•Gradual Change•Getting Taller•Size Increase•A.I.-Controlled Change•Complete •M/M

The fan by Also Known As A short story about a muscle growth author who meets a fan who can fulfill his fantasies. 4,203 words Added Mar 2019 13k views 4.9 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase

Josh’s genie by Anarchy A Bullied teen swimmer Josh uses the unexpected acquisition of a genie to try improving things at school, one daily wish at a time. 4 parts 8,133 words Added Oct 2015 Updated 20 Jan 2016 47k views 4.9 stars (11 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Djin/Jinn/Genie •t/t

The merger by frooooooo Some dares have awkward consequences. Daring two guys to get merged definitely falls into that category. 942 words Added Feb 2012 15k views 4.9 stars (11 votes) •Merging •M/M

Pride by NBCK99 Jake attends his first Pride parade with his boyfriend Ross and is a bit overwhelmed, so they step into a bar—where it turns out the impressively hot and muscular patrons and staff take a shine to the new arrivals. 6,482 words Added Jul 2018 15k views 4.9 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Gay Pride

Project Cerulean MX: Aaron’s story by CsabaXXX 18-year-old Aaron’s life changes drastically when he’s accidentally exposed to a very effective growth serum. 8 parts 17k words Added Nov 2022 Updated 4 Feb 2023 8,364 views 4.9 stars (11 votes) •Huge Cock•Muscle Growth•Increased Libido•Bisexual•Hyper Pheromones •M/M•M/M/M/...•M/F/F

The source by TestoWriter An archeologist is trying to find the source of all mythological gods. He finds much more than what he was looking for. 2 parts 5,208 words Added Sep 2021 Updated 2 Oct 2021 11k views 4.9 stars (11 votes) •Cock Growth•Nipcocks•Nipple Emissions•Muscle Growth•Muscle/Strength•Giants•Absorption •M•M/Inh

Trying on my first rubber suit by James Rubberman A young man who just wanted to feel rubber against his skin from the waist down tries out a very nice-feeling suit, only to get more of an experience than he bargained for. 1,897 words Added Dec 2018 14k views 4.9 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Rubber/Latex

The watchman by Jefftaur Inspiration and desire turn a few sketches in a museum into something more. 4,495 words Added Mar 2005 8,873 views 4.9 stars (11 votes) •Multicock•Multiarm•Multilimb •M/M

The boost by Cris Kane The mysterious boost in a health club’s smoothies causes fast and dramatic changes. 2 parts 13k words Added Jul 2015 24k views 4.9 stars (10 votes) •Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength

Friends indeed by FanTCMan When his friend goes to California, a young man realizes he misses him and follows him out there—only to find that the new clime has already changed his friend. 4,791 words Added Jul 2002 18k views 4.9 stars (10 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Hair Growth/Getting Hairy •M/M

Glitch by BRK Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. 4 parts 14k words Added Dec 2020 Updated 6 Mar 2021 7,920 views 4.9 stars (10 votes) •Always Hard•Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Always Shirtless•Hyper Tongue•Tongue Growth•Retcon•Incest•Twins•Selfcest•April Fool’s Day •M/M•M/M/M

Harvest by borednhony In the not so distant future, a fertility crisis has caused extreme actions to be taken by governments worldwide. This is where we find Del, the latest in the line of remaining fertile men entering the extraction facility. It’s a limited contract as far as Del knows, but something untoward seems to be lurking in the workings of the facility. 2,808 words Added Apr 2021 8,956 views 4.9 stars (10 votes) •Cock Growth•Cum Milking•Other Mental Changes•Public Nudity •M/M

The mansion of Re-Petes by TwinReplica Wyatt is finally visiting his online date Pete for the first time and is surprised to find he lives at a mansion, which holds multiple secrets inside… 2 parts 9,125 words Added Aug 2021 2,826 views 4.9 stars (10 votes) •Replication•Selfcest

More than advertised by LookinToGrow Two men meet at the gym one day, and both hope to become even bigger and stronger then they once were. 4 parts 4,732 words Added Jan 2017 Updated 3 Nov 2018 22k views 4.9 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Small on top by NoGoodAlias After an unfortunate hiking mishap, Jesse finds himself in the home of a massive, masculine stranger who seems to only be getting bigger by the day. 3,029 words Added Sep 2022 6,021 views 4.9 stars (10 votes) •Huge Balls•Huge Cock•Hyper Cum•Muscle Breast•Muscle Gut•Man Scent•Gradual Change •M/M

Synthetic reality by brazboy Augusto messed up in an outing with his friends, and was dumped in a random Uber to find his way back home. He opens up during his ride home and the Uber driver feels sympathetic enough to offer the lad a try-out of this new app he is developing. When Augusto’s life goes back to normal on Monday, he just wants to forget what happened on Friday completely, and leave it behind him as fast as possible—but the stuff he did while drunk catches up to him and in fact to the whole world. 9 parts 36k words Added Aug 2021 Updated 4 Sep 2021 14k views 4.9 stars (10 votes) •Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Public Orgasm•Muscle Breast•Muscle/Strength•Muscle Worship•Public Nudity•Plausible Size Difference•App•Retcon •M/M•M/M/M

The book of desires by SomeMuscleGuy After stealing a corrupted book at the gym, Michael is left growing uncontrollably by a Symbiotic Demon that only wants to swell its victims with the most size possible. But even the demon underestimates just how gigantic Michael wants to become. 7,676 words Added Dec 2022 20k views 4.9 stars (9 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Worship•Public Nudity•Butt Growth•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Infectious•Aliens•Symbiotes•Complete•Stories with Images •M

The cam show by LordTronimator A furry streamer decides to host a very special show as he decides to showcase a lotion that he found, that promises to increase the size of one’s penis. Things start out well enough before taking a very messy turn. 2,552 words Added May 2020 8,747 views 4.9 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Social Media•Anthro/Furry •M/M•M/M/M

The Cockmoore Chronicles: Brandon by CockTFBoi When Brandon comes across a magic book that can change anyone, he does what most guys would do: give himself a bigger dick. As the growth goes unchecked, he struggles to find a way to stop it or the intense pleasure that goes with the changes. 4,999 words Added Sep 2022 6,858 views 4.9 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle Growth•Gradual Change •M/M

Drink by Also Known As A certain bar offers drinks with a secret and special kind of potency… just ask for “Rex”. 3 parts 19k words Added Jan 2014 22k views 4.9 stars (9 votes) •Huge Cock•Self-suck•Muscle Growth•Muscle/Strength •M/M

Hold your tongue by Squeeshka and UnknownGentrifier Steven’s growth of cocks grows progressively out of hand. 7 parts 11k words Added Jun 2012 24k views 4.9 stars (9 votes) •Cock Growth•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Mouthcock

Huge changes: Book two by RdyRoger Jason and Todd decide to help Mason, not suspecting that Mason will get an extra helping of wishes, or that Mason’s fantasies of love and growth will start affecting more than just his partners. 2 parts 9,859 words Added Dec 2017 20k views 4.9 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Infectious

Little plant of horrors by PiggiestJ Morris’s life was rather dull until he came across a small plant to take care of. Little did he know the shenanigans the little thing would bring. 2 parts 5,330 words Added Sep 2020 Updated 31 Oct 2020 7,699 views 4.9 stars (9 votes) •Hyper Cum•Transformation•Plants•Nonconsensual change•Supernatural•Halloween •M/M

Quinquetra by BRK Exploring his workaholic husband’s ancestral house on his own, Wes encounters a strange symbol and a dreamlike man who seems closely connected to it. 2 parts 11k words Added Oct 2020 7,771 views 4.9 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Gradual Change•Getting Taller•Retcon•Supernatural •M/M

The beast with a billion boners by Ziel Occult book store employees Lee and Gavin discover a comic book called "Beast with a Billion Boners." They figure they’ve both seen enough hentai to know where this is going. They were wrong. Some tentacle fun, raunchy gay smut, and even some shrinking and macro/micro sizeplay ensue. 9,663 words Added Dec 2015 13k views 4.9 stars (8 votes) •Replication•Size Decrease•Selfcest•Tentacle

Cut and paste by Josh Dugan This altered computer can Photoshop John's big, beautiful body in real life. 1,608 words Added Sep 2004 13k views 4.9 stars (8 votes) •Huge Cock•Multicock•Multilimb•Detachable •M/M

The lamp by Neltharion5 An archaeologist, an oil lamp (with requisite genie), and three wishes. 6,399 words Added Apr 2003 26k views 4.9 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Djin/Jinn/Genie •M/M•M/M/M

Next level love: Location enabled by Eclipse Mateo’s been feeling small lately, but his new app is all he needs for a boost. 6,731 words Added Sep 2020 6,858 views 4.9 stars (8 votes) •Cock Growth•Huge Cock•Other Mental Changes•Muscle Growth•App

The people you find on the internet by Miguel Burgos Enrique tried dating on the internet and started to encounter some really, really different people. 3 parts 4,540 words Added Dec 2015 Updated 14 Oct 2016 16k views 4.9 stars (8 votes) •Huge Cock•Hyper Cum•Extra digits•Multicock•Getting Taller•Plausible Size Difference

Size matters: A cautionary tale by borednhony Jack’s sex life had ground to a halt. His regulars up and gone, Grindr providing no relief. If only he were a bit bigger down there, this would all be so much easier. Stuck with just his hand and his trusty porn playlist, a message pops up… 2 parts 4,649 words Added Feb 2021 Updated 17 Apr 2021 9,596 views 4.9 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum •M/M

Social dickstancing by Ziel Dallas hunkers down for some self-quarantine with the goal of using his newfound free time to really bulk up, though he never would have imagined just how much he could grow! His new size brings new issues for him and his neighbor. 4,594 words Added May 2020 11k views 4.9 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Getting Taller•Size Increase•Set during the Pandemic •M/M

Starting over: A coming of age story by Mad Dog and Gurak An older, oversized but closeted man finds new meaning to his life through the admiration of a younger fella. 3 parts 23k words Added Aug 2021 Updated 2 Oct 2021 9,135 views 4.9 stars (8 votes) •Muscle Gut•Muscle/Strength•Plausible Size Difference•Age Difference•Seniors •M/M

They’re too sensitive now by spacevlad Sean convinces his burly husband Jorge to get his nipples pierced for his 40th birthday. The results trigger an unexpected growth spurt much like one that happened in an infamous growth incident a year prior. 5,327 words Added Jan 2022 11k views 4.9 stars (8 votes) •Muscle Growth•Muscle Gut•Man Scent•Getting Taller•Giants•Plausible Size Difference•Size Increase•Destruction/Violence •M/M

Threefer: Cam by BRK For Cam, living with Quinn and his beautiful nipcocks is a dream—a dream that also stimulates a growing feeling of envy. 2,461 words Added Feb 2022 3,824 views 4.9 stars (8 votes) •Nipcocks•Nipple Emissions•Multicock•Muscle Growth•Complete •M/M/M•M/M/M/...

Vivid by BRK Alex sees a new neighbor moving in and lets his imagination build him up to new levels of sexiness. 3,576 words Added Nov 2022 6,065 views 4.9 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Muscle Growth•Muscle/Strength•Getting Handsomer•Gradual Change•Getting Taller•Plausible Size Difference•Mouthcock•Incest•Brothers•Triplets•Complete •M/M•M/M/M/...

The adventures of Corey Harddwick by BRK A screen actor’s try at a big stage role was already weird, before the moment where he discovered he was exceptionally well armed for the role. 3 parts 8,008 words Added Mar 2013 Updated 9 Mar 2018 14k views 4.9 stars (7 votes) •Multiarm•Multilimb •M/M

The big two-five by Ziel Brian’s friends help him celebrate the big two-five—there’s even a cake (well, a cupcake) and a candle to blow out. All he has to do is make a wish! 3,574 words Added Feb 2022 9,236 views 4.9 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Getting Taller•Giants•Size Increase•Metabods 25 •M/M/M

Bull in Palm Springs by Richard Jasper It all started with that chicken salad sandwich at Sherman’s. 5 parts 5,776 words Added Apr 2020 6,516 views 4.9 stars (7 votes) •Huge Cock•Muscle Growth•Muscle/Strength

Cody. Ryan. Leo. by Johan Johnson With cloning perfected, it may be an easy matter to have three identical boyfriends, each genetically engineered with special gifts all their own… but experiencing it is something else again. 3 parts 5,016 words Added Sep 2012 15k views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Replication•Selfcest

Cop boots by CatLuvr 2,235 words Added Jun 2003 23k views 4.9 stars (7 votes) •Body Swap

Endmyths by Taur Reg Transformations spread through an entire town—but why? 12 parts 19k words Added Aug 2013 19k views 4.9 stars (7 votes) •Multilimb•Age Difference•Incest•Father/Son•Centaurs•Naga•Satyrs•Shapeshifting •M/M

Growing up by Harvey Church Most would agree that bigger is better, but I know that being big isn’t all that it’s cracked up to be. Growing up has been difficult, but since the beginning, I have had my buddy Richie by my side. It all started with some harmless size comparison, but that was before I knew what kind of beast I would eventually grow into.  4,735 words Added Oct 2022 7,998 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Gradual Change •M/M•t/t

Hall of mirrors by John Funhouse mirrors in a run-down carnival unexpectedly rebuild Bob’s body into a 500-pound, densely packed muscle fantasy. This seems like a godsend for his now-routine fifteen-year relationship—if only he can lure Dan into the Hall of Mirrors too. 2 parts 12k words Added Jun 2017 13k views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength

Home for the holidays by BRK Leandro finds himself unexpectedly uninvited from his boyfriend’s family holiday shindig, leaving him stranded and lonely in a Christmas-bedecked town in the middle of nowhere. 3 parts 6,102 words Added Dec 2021 5,293 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Size Increase•Mouthcock•Selfcest•Supernatural•Christmas•Complete •M/M•M/M/M/...

Hugecock diary by Pfieffer What’s it like to have a cock that’s over a foot and a half long? Take a look at my diary and you’'ll get the whole story. 13 parts 11k words Added Dec 2003 31k views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Self-suck•Hyper Cum•First Time/Virgin

The hydrean dagger by Dakon Jake finds a special knife that triples what it cuts off, and his boyfriend Todd becomes excited by the possibilities. 2,573 words Added Jun 2005 11k views 4.9 stars (7 votes) •Extra digits•Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Multitongue

I love rubber and latex, good job! by James Morris Two young men looking for the ideal rubber/latex suits luck out beyond their wildest dreams. 2 parts 2,461 words Added Jan 2018 12k views 4.9 stars (7 votes) •Cock Growth•Rubber/Latex

The machine by Silvio Censall Trevor’s geeky friend Jerome has invented a machine that seems able to change an object’s very nature, and as they’re testing it out Trevor is struck by the possibilities. 3 parts 5,098 words Added Jul 2002 14k views 4.9 stars (7 votes) •Muscle Growth•Muscle/Strength •M/M

Manscapes by FanTCMan 7 parts 14k words Added Jul 2002 24k views 4.9 stars (7 votes) •Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy

Metacafé by brazboy In a special corner of the city, unknown to most, there’s a place visited by a special crowd. 5,754 words Added Jun 2022 4,383 views 4.9 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Getting Taller•Size Increase•Brothers•Twins•Metabods 25 •M/M

The mirror by msclundylvr At an estate sale, a man who’s disappointed with his life (and body) finds a full-length mirror that shows him what he wants to see. 2 parts 3,595 words Added Jul 2006 13k views 4.9 stars (7 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Getting Handsomer •M

NAUGHTY by Ziel Parker has been dreading returning home for the holidays. His asshole older brother will be there, and that can only spell more misery... unless Parker gets some help from a different kind of Christmas Spirit. 8,792 words Added Dec 2023 4,398 views 4.9 stars (7 votes) •Cock Shrinking•Cock Theft•Huge Balls•Ball Growth•Huge Cock•Cock Body•Hyper Cock•Muscle Growth•Brothers•Nonconsensual change•Supernatural•Christmas •M/M

The other side by BRK Avery, a randy cargohauler, is piloting his navship through the dimensions between the point A and point B when an unexpected breach sends him into a surreal expanse… where a well-built, winged figure takes a less-than-angelic interest in him. 6,407 words Added Mar 2021 5,204 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Wings•Muscle/Strength•Plausible Size Difference•Space Travel•Centaurs•Mermen•Complete•Set in the Future •M/M

Return of the cocksucking fleshsock by BRK Kurn, a mountain warrior with an unruly, mouth-craving cock, has been sent to offer a boon to the great Huuman, Lord Griffin, Defender of Kossh, for his help in expunging the scimitar-raiders. To his shock, however, Lord Griffin instead offers the valiant Kurn a gift that answers his most compelling need. 3 parts 10k words Added Sep 2020 Updated 28 Nov 2020 7,462 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Multi-abs•Multiarm•Multilimb•Fantasy Realm •M/M

Sharing cocks by CockTFBoi Cameron, Dakota, and Zack head out for a sex-filled weekend at a remote cabin. Once there, things take a bit of a turn for the weird as the trio experience some unexpected transformations. 5 parts 13k words Added Aug 2020 Updated 17 Oct 2020 9,569 views 4.9 stars (7 votes) •Cock Growth•Cock Shrinking•Cockless•Detachable•Merging •M/M/M

A taste of aedon by Josef Howard Adams and Evans survive the accidental explosion of their military vessel and land by life pod on the verdant class M planet Aedon. 3,383 words Added Mar 2004 16k views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Plants•Nonconsensual change•Aliens•Space Travel •M/M

Three-legged bros by BRK Matteo’s stream-of-consciousness account of how, basically, the only thing hotter than having three legs is having an insanely hot brother with three legs. 3,562 words Added May 2020 5,322 views 4.9 stars (7 votes) •Multi-abs•Multicock•Multileg•Multilimb•Three Legs•Incest•Brothers•Complete

Tim’s obsession by GulliverWB Tim is a lot taller than his boyfriend Jeff, but that’s about to change. 5,084 words Added Jun 2002 19k views 4.9 stars (7 votes) •Size Decrease

An unexpected gift by BRK Dancer Vince receives a package delivery he didn’t expect, leading to the unlocking of a few kinks he hadn’t known he had. 2,649 words Added Dec 2023 1,663 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multi-balls•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Getting Taller•Retcon •M/M•M/M/M•M/M/M/...

Unwound by screamingmoist A trip to the gay bar sets two friends on the right course. 4,459 words Added May 2023 4,121 views 4.9 stars (7 votes) •Muscle Growth•Hair Growth/Getting Hairy•Retcon •M/M

Welcum to Hell by Alex Anders The forces of Hell welcome their newest recruit. 10 parts 19k words Added Oct 2022 Updated 9 Dec 2023 11k views 4.9 stars (7 votes) •Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Extra facial features•Multiarm•Multileg•Multilimb•Three Legs•Muscle Growth•Stretchy•Plausible Size Difference•Tongue Growth•Mouthcock•Age Difference•Merging•Goo People•Demons •M/M

Wishing star by EcstaticS Chris sees a guy with a really massive dick and wishes on a star for a dick that was even bigger. What he doesn't know is that sometimes the stars are listening. 7,594 words Added Jun 2020 9,992 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Retcon•Bisexual•Supernatural •M/M

First quarter wolves by Michverdun Hunter, after moving thousands of miles from his hometown, is trying to adjust to his new life. The monster stalking him in the woods isn’t helping. 9,058 words Added Aug 2022 4,860 views 4.8 stars (24 votes) •Muscle Growth•Werewolves•Supernatural •M/M

The Benefactor by Proteus The Benefactor bestows favor on those he deems worthy, whether they like it or not. 14 parts 15k words Added Jan 2020 Updated 24 Apr 2021 38k views 4.8 stars (23 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Nonconsensual change•Supernatural •M/M

A close encounter by King Dave Evan is not alone in his apartment. Something that wants to study him. Is that all that it wants? 3 parts 7,234 words Added Dec 2021 Updated 8 Jan 2022 11k views 4.8 stars (23 votes) •Cock Growth•Muscle Growth•Butt Growth•Getting Handsomer•Voice Deepening•Hair Growth/Getting Hairy•First Time/Virgin•Aliens•Shapeshifting •M/M

Growing relationship by MaxMorphs Shortly after finding the love of his life, Connor has these strange shivers now and then. First, he tries to deny everything, but the truth can’t hide for long. Connor’s cock grows with each shiver. Year after year after year. 5 parts 15k words Added Nov 2018 Updated 24 Jun 2023 27k views 4.8 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multicock•Muscle Growth•Muscle/Strength•Gradual Change •M/M

Software upgrades by King Dave Like many people, Jacob has been working from home since Covid-19 hit in March. Now in late December, an update to the video chat software gives him and his hunky coworker a pleasant surprise. Good think he didn’t take the day off! 3 parts 7,945 words Added Dec 2020 Updated 9 Jan 2021 13k views 4.8 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Gradual Change•Getting Taller•Size Increase•Retcon•Suggestion•Christmas•Hanukkah•Set during the Pandemic •M/M

Twelve steps back by FanTCMan Ian pursued working out as a way of chasing off his inner demons. Then he heard about a serum that seemed to make you not just bigger, but enhanced everything about you that was masculine and sexy. And if it made you horny too, well, that was fine by him. 9 parts 33k words Added Nov 2003 Updated 30 Mar 2018 34k views 4.8 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Addiction•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Getting Handsomer •M/M

A Christmas wish by Buck Reams Writing out your fantasies can have practical consequences, if you do it on a scrap of paper you forgot came from a magical tome. 1,975 words Added Dec 2019 20k views 4.8 stars (22 votes) •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Infectious•Christmas •M/M

Field agent by BRK Special agents Adkins and Barber interview a rancher in relation to their current case. There’s something odd about the handsome Latino, though—starting with the fact that he won’t get down off his horse. 2 parts 5,236 words Added Apr 2020 Updated 14 Nov 2020 12k views 4.8 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Public Nudity•Size Increase•Incest•Twins•Selfcest•Infectious•Centaurs •M/M•M/M/M

The pendant by Bulge101 Alex gets a necklace for his 18th birthday that results in some big changes for himself and his closest friend, Griffin. 3 parts 4,654 words Added Jun 2012 Updated 25 Jul 2012 45k views 4.8 stars (22 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •M/M

The salt by RdyRoger Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. 9 parts 36k words Added Jun 2010 87k views 4.8 stars (22 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Gradual Change•Getting Taller•Size Increase•Tongue Growth•Incest•Brothers

Altered by Dream Big Chris wakes up in a strange laboratory, only to learn he’s one of a number of subjects in a mysterious program that involves alterations to the male human body. At least the guy they have looking after him seems sympathetic… and very, very sexy. 6 parts 11k words Added Jan 2020 Updated 12 Dec 2020 29k views 4.8 stars (21 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Nonconsensual change•Restraints•Hyper Pheromones •M/M

The Christmas parcel by Salem Noctua When Anthony woke up and saw a mysterious little parcel on the table the morning of Christmas Eve, he did not expect to find a strange, golden necklace with a broken eagle charm inside. Who gave him the present? How did it get inside his flat? And where was its other half? 4 parts 18k words Added Dec 2022 Updated 31 Dec 2022 3,817 views 4.8 stars (21 votes) •Multicock•Multihead•Straight to Gay•Nonconsensual change•Dildos/Toys•Merging•Christmas•Complete •M/M

Hollyville by Tereshky The sleepy town of Hollyville, Alabama finds that strange things are happening to some of its people. It’s one man’s job to find out, but is he prepared for the mystery, suspense, and life-altering changes to come? Are you? 9 parts 44k words (#86) Added Nov 2019 Updated 8 Feb 2020 21k views 4.8 stars (21 votes) •Cock Growth•Huge Balls•Huge Cock•Prehensile Cock•Hyper Cum•Multi-abs•Multiarm•Multilimb•Multipec•Replication•Stacking•Wings•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Selfcest•Tentacle•Horror •M/M

Ten ways to get big and strong by BRK Cam and his band-geek buddies have a good laugh at a silly new poster in the gym listing ten ways to get big and strong, but when they sneak in after school and start writing in their own suggestions, things start to get a little weird. 4 parts 13k words Added Jun 2016 Updated 2 Sep 2016 26k views 4.8 stars (21 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers •M/M•M/M/M

Transformetics by Dasilva When a hunky vendor from a well-known beauty product scam comes to his local flea market, Cody can’t help but buy into it. But what if this scam isn’t really a scam? 2,261 words Added Jun 2016 13k views 4.8 stars (21 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase •M/M

Centaurian by Rick Haydn Horst When an unusual man comes into the protection of Officer Liam Phillips, Liam doesn’t know what he’s in for. His world gets broadened and turned upside down in this adventure of love, sex, gods, a one-quarter equine, and a vacation he will never forget. 9 parts 89k words (#27) Added Nov 2021 Updated 11 Jun 2022 11k views 4.8 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Centaurs•Fantasy Realm•Pagan gods•Immortality •M/M

Dude, that’s a really thick cock by John Perrot A young man starts out buff and thickly hung and keeps getting bigger. Inspired by ‘That’s a Really Huge Cock Bro’ by Luke B. 2,620 words Added May 2022 14k views 4.8 stars (20 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Getting Taller•Size Increase•All Dialog •M/M

Misdirected by BRK Ben doesn’t realize at first exactly why his annoying older brother’s secret rituals to make himself bigger and stronger are going wrong, only that he feels pretty strange himself lately. 6 parts 5,664 words Added Oct 2009 36k views 4.8 stars (20 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Size Increase•Incest•Brothers

Next level love by Eclipse Dylan gets an app that claims to bring him closer to his soulmate, but he’s not prepared for the consequences. 7,202 words Added Aug 2020 11k views 4.8 stars (20 votes) •Cock Growth•Huge Cock•Hyper Cum•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Size Increase•App•Retcon •M/M

Nu-you by Cris Kane A bored tech-conference attendee is given a demo of a life-changing new gizmo to try out. 4,176 words Added Aug 2014 17k views 4.8 stars (20 votes) •Straight to Gay•Muscle/Strength•Body Swap

Be careful what you wish for by Tereshky “I can give you anything you wish for. Just don’t blame me if you weren’t specific enough.” A mystical man shows up to people in despair to offer the desires of their hearts, but he has a tendency to give them more than they wanted. So if a man in a gray suit comes up to you offering to give you anything you want, be careful what you wish for. 9 parts 42k words (#92) Added Feb 2020 Updated 19 Jun 2021 56k views 4.8 stars (19 votes) •Cock Growth•Huge Balls•Huge Cock•Straight to Gay•Immobility•Muscle Growth•Muscle/Strength•Age Regression•Nonconsensual change •M/M

The beast by NoGoodAlias After a lonely night of drinking, Aaron decides to look for a hookup on a throw-away dating site. But when he finds more than he could have imagined, his night turns from an empty slog to a tremendous experience. 3,235 words Added Sep 2022 7,849 views 4.8 stars (19 votes) •Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Breast•Man Scent •M/M

Brotherly love by Seth Peterson Two brothers get the best weekend they can imagine through the use of some very special, very wonderful powers. Rest assured, the results are BIG. 7,666 words Added Dec 2015 47k views 4.8 stars (19 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Merging

David devolving by FanTCMan Sexy David develops a muscle obsession, with a little help from Larry and whatever he slipped into David’s drink. 2 parts 9,538 words Added Sep 2003 47k views 4.8 stars (19 votes) •Cock Growth•Huge Balls•Huge Cock•Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength•Nonconsensual change •M/M

Freshman dreams by BRK Even when he’s home sick, Stefan’s ability to dream up new transformations on his schoolmates is a big pain. Make that, especially when he’s home sick. 4 parts 3,089 words Added Mar 2009 46k views 4.8 stars (19 votes) •Huge Cock•Multi-abs•Multihead•Multiarm•Multilimb•Replication•Wings•Muscle Growth•Muscle/Strength•Size Increase•Selfcest•Nonconsensual change•Flying•Complete •t/t•t/t/t

Hard to hide by BRK Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. 7 parts 20k words Added Jun 2017 Updated 27 Jul 2019 24k views 4.8 stars (19 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Decrease•Size Increase•Merging•Shared Body •M/M

The magic jockstrap by Ziel Something short and simple this time around: A guy tries on a special jockstrap with interesting results. 1,385 words Added Jul 2016 18k views 4.8 stars (19 votes) •Cock Growth•Huge Cock •M/M

Raiders basketball by VanderAnder Trying out for the school basketball team involves more than being really good at basketball. 24 parts 27k words Added Apr 2013 33k views 4.8 stars (19 votes) •Cock Growth•Huge Cock•Self-suck•Bisexual•Hetero Sex

Sudden changes by BRK Ike woke up with a too-big hard-on that won’t quit and a constant, building need to orgasm that didn’t subside even when he came. And none of that changed the fact that he had to go to work. How the heck would he deal with this? 2 parts 8,094 words Added Dec 2021 Updated 16 Apr 2022 16k views 4.8 stars (19 votes) •Always Hard•Cock Growth•Huge Cock•Muscle Growth•Increased Libido•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•First Time/Virgin•Incest•Twins •M/M/M

The suit life by Sithspawn Max’s housemate Jake creates a protoplasmic suit to heal soldiers in the field and decides to try it out at home. What could possibly go wrong? 5,597 words Added Apr 2022 9,294 views 4.8 stars (19 votes) •Cock Growth•Huge Cock•Muscle Growth•Size Increase•Body Suit•Tongue Growth•Nonconsensual sex•Symbiotes•Superhero/Supervillain•Shapeshifting •M/M

BodyReverence by BRK Kevin finds out about an app that allows its subscribers to touch its handsome, muscular models with a new kind of virtual technology. His buddies are psyched to get in on the touching… but Kevin, who’s been getting more and more admiration for his looks and the body he’s sculpted for himself, realizes he wants to be appreciated with more than just yearning gazes and salacious comments. He wants to be touched. 4,671 words Added Sep 2017 10k views 4.8 stars (18 votes) •Huge Cock•Multicock•Muscle Growth•Muscle/Strength•App •M/M•M/M/M/...

Honey and cum by Ro_burrr Anna helps her husband with his “small problem”, with (un)foreseeable consequences. 5,649 words Added Jan 2021 12k views 4.8 stars (18 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hair Growth/Getting Hairy•First Time/Virgin•Hetero Sex •M/M

Irresistible immobility by SomeMuscleGuy and BawlzyS James awakens to find himself strapped to a table in an ominous room with a masked, muscular man who has more than enough candy to share. This candy has some massive side effects, whether James wants it or not. 7,662 words Added Oct 2022 18k views 4.8 stars (18 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Worship•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Destruction/Violence•Nonconsensual change•Restraints•Halloween•Complete•Stories with Images •M/M

Metaboi by BRK There’s a special clothing store that caters especially to the meta boi. If you’re their kind of customer you already know it—or you’ll soon find out. 8 parts 31k words Added Jun 2010 Updated 24 Nov 2017 66k views 4.8 stars (18 votes) •Always Hard•Huge Cock•Hyper Cum•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Getting Taller•Plausible Size Difference•Retcon•Selfcest•Body Swap•Merging•Thanksgiving •M/M•M/M/M

My brother’s closet by brazboy Lauro has a secret: he has a huge crush on his big brother! But his big brother also has a secret, one he keeps deeply locked in his heart... and in his closet. 2 parts 11k words Added Apr 2023 Updated 29 Apr 2023 8,374 views 4.8 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Extra Mouths•Multi-abs•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Muscle Growth•Muscle/Strength•Man Scent•Detachable•Getting Taller•Plausible Size Difference•Size Increase•Hyper Tongue•Tongue Growth•Mouthcock•Incest•Brothers •M/M

The right settings by RoidTeen Ben finds an app and starts to play with it.  2,685 words Added Mar 2023 9,215 views 4.8 stars (18 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Muscle•Muscle Breast•Muscle Growth•App•Retcon•Father/Son•Complete •M/M•M/M/M

Tales of Atlantis by 10tacles (Updated text, 30 January) Devin washes ashore on the legendary isle of Atlantis, and quickly finds himself in the company of a handsome local. But it would seem the stories of Atlantis’s wonders omitted a number of lurid details... 12k words Added Jan 2023 8,225 views 4.8 stars (18 votes) •Cock Growth•Cock Vore•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Multi-balls•Multicock•Always Shirtless•Public Nudity•Male Pregnancy•Giants•Infectious•Goo People•Anthro/Furry•Fantasy Realm•Immortality•Stories with Images •M/M

Too big by NBCK99 Would a constantly growing cock really be so great? One man tells his story and explains how his condition has affected his life. 2,883 words Added Jan 2024 4,733 views 4.8 stars (18 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Other Mental Changes•Public Nudity•Increased Libido•Gradual Change•Complete •M•M/M•M/M/M

Amazing Alex by Brad Mercury Alex has been experimenting with making additions and transformations to his body, and now he’s ready to give Chris a private magic show. 1,960 words Added Sep 2015 15k views 4.8 stars (17 votes) •Multicock•Four Legs•Multiarm•Multileg•Multilimb•Stretchy •M/M

Costumed by Tym Greene Two buddies get one of those two-man costumes for a party, and find themselves growing…closer. 4,977 words Added Mar 2021 6,591 views 4.8 stars (17 votes) •Transformation•Human to Animal/Anthro•Merging•Centaurs

Edits by NBCK99 Cameron Rhodes is the unwitting subject of a computer program that can hack into the very fabric of reality. How much will he change, and will he ever discover the truth? 7,223 words Added Aug 2023 5,925 views 4.8 stars (17 votes) •Always Hard•Other Mental Changes•Straight to Gay•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Transformation•App•Retcon•Complete •M/M/M

Lust & consequences by BRK Hayden manages to gain an ability that turns beliefs into truth, but the knack for making things turn out the way he wants them to is a lot more elusive. 2 parts 6,212 words Added Feb 2022 8,855 views 4.8 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Wings•Hyper Strength•Getting Handsomer•Retcon•Suggestion•Age Difference•Incest•Father/Son•Flying•Complete•Medieval(ish) •M/M

Magic eye by RdyRoger Once he found out the secret of magic growing things suddenly seemed really easy for Al, until the day he was startled by Turner while he was staring deep into his hot friend, Tony. 7 parts 21k words Added Aug 2019 Updated 21 Sep 2019 21k views 4.8 stars (17 votes) •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Decrease•Size Increase•Lycra/Spandex •t/t

A most unusual curse by BeefyBullGuy Jackson’s misadventures in a Asian shrine to cock lead to an unexpected curse. 3 parts 6,032 words Added Mar 2018 Updated 30 Mar 2018 23k views 4.8 stars (17 votes) •Huge Cock•Human to Cock•Cock Body•Transformation•Nonconsensual change•Absorption •M/M

Muscle control by Richard Kaivist The solution to Anthony’s lust for his straight friend is contained in a little glass bottle. 2,140 words Added Mar 2022 7,892 views 4.8 stars (17 votes) •Cock Growth•Straight to Gay•Muscle Growth•Nonconsensual change •M/M

The orphanage by JayPat They told the orphans they were getting “vitamin shots”. What happened instead was a group of abandoned teens experiencing wild, sudden growth, one by one, and no one knew what would happen next. 12 parts 78k words (#37) Added Sep 2012 38k views 4.8 stars (17 votes) •Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Destruction/Violence

Prototype by FanTCMan Rocky starts working out to distract attention from his embarrassing donkey dick, only to make himself a spectacle that way too. Once he hits college he catches the eye of student teacher Jake, who sees possibilities for Rocky... 12 parts 16k words Added Jun 2005 29k views 4.8 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Hair Growth/Getting Hairy

Size matters by BigManBigBelly An earnest and passionate top’s deficit leaves his bottom hook-up frustrated, but when the bottom lets slip his desire for more size, his wish comes true with ironic consequences. The word ‘grow’ becomes very triggering for him. 3,551 words Added Jan 2022 12k views 4.8 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Butt Growth•Foot Growth•Gradual Change•Giants•Size Increase•Destruction/Violence•Humiliation•Nonconsensual change •M•M/M

Worshipping Allan by BeefFan Allan found out that worship makes him grow—so he’s sought out his biggest fan. 5,648 words Added May 2014 37k views 4.8 stars (17 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Complete •M/M

You and I: The hotel room by Also Known As In this tale of dual perspectives, when you seek out a man with godlike powers and a yearning to transform others (having already made himself the strongest and most beautiful man alive), you should expect your own agenda to be quickly forgotten. The only question is: will you become your fantasies—or his? 2 parts 11k words Added Jul 2016 17k views 4.8 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Suggestion •M/M

Ascension Escape Games by SomeMuscleGuy Welcome to Ascension Escape Games where you have two hours to escape the largest Escape Room in the world—alone! But be careful, if you aren’t quick enough, you may just grow too large before you can find a way out. 6,147 words Added Oct 2022 13k views 4.8 stars (16 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Butt Growth•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Destruction/Violence•Nonconsensual change •M

Games by BRK Dave totally forgot that when he got his new powers, and started granting all his buds three wishes, he let me keep the third one secret. And that secret wish just happens to be the ability to fuck around with Dave’s wishes. There was so much fun to be had with that particular capability. 2 parts 3,389 words Added Sep 2003 30k views 4.8 stars (16 votes) •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Boytaur•Four Legs•Multilimb•Replication•Size Increase•Selfcest•Nonconsensual change•Complete •M/M•M/M/M•M/M/M/...

Insta-hotties by BRK An admirer gives webcam muscle hunk Tim a magical sponsoring gift of more of what his fans love most about him—which turns out to be his gorgeous face. 2,176 words Added Jul 2014 14k views 4.8 stars (16 votes) •Huge Cock•Multihead•Muscle/Strength

Nightmare at the Pump House Gym by UberPump A bodybuilder encounters a strange man at the local gym who forces him to experience his deepest desires first-hand. The growth is intoxicating, but there’s a price to pay he doesn’t see coming. 7 parts 27k words Added Oct 2020 Updated 8 Jul 2023 42k views 4.8 stars (16 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Public Orgasm•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Forced Growth•Halloween •M•M/M•M/M/M•M/F

Of gods and growth by RoidTeen The gladiators of eternal Rome wore little to hide their manly forms—so when there is growth, it is not hidden from pitmates and admirers alike. 3 parts 12k words Added Mar 2023 Updated 1 Apr 2023 9,146 views 4.8 stars (16 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Immobility•Muscle Breast•Muscle Gut•Increased Libido•Voice Deepening•Hair Growth/Getting Hairy•Pagan gods•Complete•Ancient Era •M/M•M/M/M

Real daydreams by NBCK99 The power of imagination works its magic on a beautiful jogger. 3,366 words Added Jul 2015 19k views 4.8 stars (16 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

It was a dark night by InflatedMuscle Gym rat Dane has an encounter with an alien symbiote, complicating not only his own life but his friends’ as well. 5 parts 34k words Added Oct 2022 Updated 15 Oct 2022 14k views 4.8 stars (16 votes) •Addiction•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Nonconsensual change•Aliens•Symbiotes •M/M

Transform: The college years by Also Known As The sexy teens affected by the Transform ability wreak even more havoc at college with their amazing and irresistible growth-at-will double-hung dream bods. 12 parts 80k words (#34) Added Jan 2014 24k views 4.8 stars (16 votes) •Cock Growth•Huge Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Size Increase•Infectious•Flying •M/M•M/M/M

Tubecock by BRK Morty is amazed and thrilled to discover that his new job at the hardware store turns out to involve some special activities after hours—and it’s not iron they’re pumping. 2,102 words Added Jan 2021 9,033 views 4.8 stars (16 votes) •Cock Growth•Cock Pumping•Huge Cock•Complete •M/M

Buck by BRK Davis is taken aback when a cocky new partner he’s never met before climbs unexpectedly into his car during a stake-out. But it’s what Buck has to say that really takes him by surprise. 5,289 words Added Aug 2017 17k views 4.8 stars (15 votes) •Straight to Gay•Muscle Growth•Muscle/Strength•Suggestion •M/M

Extremes by BRK Imagining yourself as being hotter, more hung, and possessed of extras sometimes is just a phase, but other times it can spiral to extremes. 2 parts 11k words Added Feb 2012 Updated 6 Oct 2018 26k views 4.8 stars (15 votes) •Always Hard•Hyper Cum•Nipple Emissions•Extra digits•Multi-abs•Multicock•Multihead•Lots of Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Detachable•Dildos/Toys •M/M

Parasitic paradise by SomeMuscleGuy After over a year of committing himself to a healthier lifestyle, Kyle finds himself down on his luck about his physical progress. Wanting to cheer him up, his boyfriend, Dom, surprises him with a ritual that is meant to help them grow. What neither realizes is that the being they summoned doesn't just want to see them grow. It wants them to see them ascend. 3 parts 13k words Added Oct 2023 Updated 16 Dec 2023 15k views 4.8 stars (15 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Always Cumming•Public Orgasm•Addiction•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Worship•Increased Libido•Foot Growth•Gradual Change•Voice Deepening•Getting Taller•Giants•Size Increase•Dom/Sub•Infectious•Aliens•Symbiotes•Tentacle•Demons•Complete •M/M•M/M/M

Room for more by BRK You don’t always get all the facts when you become roommates with someone. Like, for example, whether they have an insatiable hunger for extra-long cocks, like the one you’re secretly hiding in your pants. 2,284 words Added Apr 2022 7,472 views 4.8 stars (15 votes) •Cock Growth•Huge Cock•Self-suck•Hyper Cum •M•M/M/M

Twisted fates by BRK A bored chaos god decides to play a little prank on two urbex buddies wandering through his former home. 5,003 words Added Apr 2022 9,844 views 4.8 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Replication•Straight to Gay•Muscle Growth•Stretchy•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Retcon•Suggestion•Selfcest•Nonconsensual change•Supernatural•Invisibility•Complete •M/M•M/M/M

Bear’s den by Pfefferooney David is a small university student and he wants nothing more than to be, and be with, an enormous man. On a fateful day, he stumbles upon someone who can make his dream come true. 3 parts 9,022 words Added Mar 2019 Updated 11 May 2019 37k views 4.8 stars (14 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Muscle Growth•Muscle/Strength•Belly Growth•Size Increase•Hair Growth/Getting Hairy•Infectious •M/M

The cock mage by CockTFBoi Galen is a cock mage, someone who can use the magic of cum to transform himself and those around him, at least for a little while. He uses his magic mostly to make his hookups more exciting, but when he wakes up one morning and someone has been making far-reaching changes he feels the need to get involved and figure out what is going on. 6 parts 24k words Added Feb 2022 Updated 7 May 2022 9,782 views 4.8 stars (14 votes) •Cock Shrinking•Cock Theft•Straight to Gay•Always Shirtless•Man Scent•Increased Libido•Transformation•Nonconsensual change •M/M

Daddy’s boy by Seth Peterson What happens when a cocky, overly narcissistic businessman oversteps courtesy? Why, muscle-growing, mind-altering, submission-inducing karma, of course! 2,534 words Added Jun 2018 34k views 4.8 stars (14 votes) •Cock Growth•Huge Cock•Nipple Emissions•Getting Dumber•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Dom/Sub•Humiliation •M/M

The journal by Braun1 An ordinary college guy finds himself changing after a steamy encounter with a hunk named Brad, and decides to start documenting everything that’s happening to him. 11 parts 30k words Added Feb 2003 29k views 4.8 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Infectious •M/M

Twenty-five by Derek Williams Austin is a cocky young escort. When he meets up with an older client, he finds himself losing his youth and transforming into a sexually charged musclebeast. 3,571 words Added Jan 2022 7,855 views 4.8 stars (14 votes) •Muscle Growth•Increased Libido•Age Progression•Hair Growth/Getting Hairy•Age Difference•Nonconsensual change•Metabods 25 •M/M

Y-M-C-Gay by M.M.69 An ordinary guy with an extraordinary ability gets the guy of his dreams. 2,646 words Added Nov 2021 9,963 views 4.8 stars (14 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Extra digits•Multi-abs•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitongue•Multitorso•Replication•Straight to Gay•Muscle Growth•Public Nudity•Getting Handsomer•Gradual Change•Getting Taller•Retcon•Suggestion•Incest•Father/Son•Selfcest •M/M•M/M/M

You and I by BRK and Jockmorphr When two lovers with the power to transform each other reunite after a separation, the results can be explosive. 4 parts 12k words Added Oct 2011 Updated 16 Feb 2019 43k views 4.8 stars (14 votes) •Always Hard•Cock Growth•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Replication•Stacking•Muscle Growth•Muscle/Strength•Getting Handsomer•Tongue Growth•Mouthcock•Selfcest•Infectious•Merging •M/M•M/M/M•M/M/M/...

Birthday surprise by Kjarri Noah hopes, with some help from a friend, to give his boyfriend a birthday surprise he’ll never forget. 3,108 words Added Jul 2021 14k views 4.8 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Human to Cock•Hyper Cock•Stretchy•Absorption•Merging

Boardwalk muscle by Lou Garou 78 A randy bathroom encounter leads to an unexpected transformation. 1,965 words Added Feb 2022 7,159 views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Merging •M/M

The bonding by NBCK99 Roy is reluctant to meet up with Cody, the hottie he’d met online—even more so because they’re meeting up at a dance club, and Roy didn’t do clubs. But Cody manages to get Roy to see things his way, though not without some surprises for Cody, too. 7,120 words Added Apr 2016 20k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Age Regression•Retcon•Suggestion •M/M

The boy who cried big by Kalos Kiryu When a potential boyfriend suspects his lover of lying about his true size, he accidentally gives him more than he ever cared to have. 4,509 words Added Mar 2019 20k views 4.8 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength •M/M

Bull brothers by brazboy Caio and André live together in their family farm, burdened by the loans inherited from their parents. Caio supports both of them selling his milk, but his younger brother still wants to contribute, even if he has to do it behind his elder’s back. 3 parts 12k words Added Nov 2021 Updated 27 Nov 2021 18k views 4.8 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Incest•Brothers •M/M

Can’t ignore the balls by BRK Volunteer for one little study, and suddenly you’re the guy with the giant nuts. 3,009 words Added Feb 2024 3,287 views 4.8 stars (13 votes) •Huge Balls•Huge Cock•Hyper Cum•Increased Libido •M

Choranaptyxic by Marquis de Rent A young man uses a dating app to have some fun. Everything goes well until his date inexplicably starts to grow... 2,807 words Added Feb 2017 19k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase

Custom tailoring by BRK Danny takes on a modeling gig that involves a little custom tailoring, and not just of the clothes he’ll be wearing for the shoot. 2 parts 6,680 words Added Sep 2016 17k views 4.8 stars (13 votes) •Muscle Growth•Muscle/Strength•Size Increase •M/M

The cyclist by Corwin That jogger Scott started noticing on his bike runs has been getting hotter and more muscled. After getting to know each another on the trail Mark decides to share his secret. 11 parts 30k words Added Dec 2013 31k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

The filling by UberPump Jason has a knack for pumping his cock and balls up with air or water, reveling in the increased size before cumming it out of him. When he attends a Halloween costume party, his drunken behavior leads him to explore his personal limits at the pool. However, once he begins he can’t stop, only attracting the attention of the muscleheads around him. 4,045 words Added Oct 2020 20k views 4.8 stars (13 votes) •Cock Growth•Cock Pumping•Cock Vore•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Immobility•Humiliation•Nonconsensual change•Halloween •M/M/M

The first taste by BRK Martin didn’t even know sucking yourself was a thing… until now.  2,205 words Added Aug 2023 3,816 views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Self-suck •M

Frank N. Stein’s monster by Musclesaber Dr. Franklin Nelson Stein has finally done it. He’s perfected a muscle growth formula that he plans on using on his husband Luke. Little do they know how Luke’s body will react to the formula after Luke ingests more than he intended. 2,826 words Added Oct 2021 10k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle Theft•Butt Growth•Getting Taller•Supernatural •M/M

I accidentally shrunk my cock! by Steve McMoon Steve finds a website where some transactional changes in cock size are going on. He's already hung, but decides to try getting even bigger. 999 words Added Oct 2020 10k views 4.8 stars (13 votes) •Cock Growth•Cock Shrinking•Huge Cock

The life changing discovery by MuscleAndBulge Stew is a short and scrawny teenager. But after he discovers a magical artifact, his life becomes bigger and better. 2 parts 6,218 words Added Jul 2019 Updated 5 Jun 2021 17k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Djin/Jinn/Genie •t/t

Man-Wich by Harvey Church Robbie is always taking stupid bets from his friend Benji, but after being pressured into eating some old, canned meat from a brand called Man-Wich, Robbie is more than happy he obliged. 1,950 words Added Jan 2022 7,576 views 4.8 stars (13 votes) •Huge Balls•Huge Cock•Muscle Growth•Plausible Size Difference•Size Increase •M/M

The Mann Agency by Also Known As Need a handyman? Someone to scrub your pool or clean your windows or fix a squeaky door? The Mann Agency and its specially trained agents are at your service. 3 parts 26k words Added Oct 2021 Updated 23 Apr 2022 16k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Nipple Emissions•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Getting Taller •M/M•M/M/M

The perils of fair trade by Dream Big It seemed like a good deal: a little height for a little more cock, especially if you have too much of one and not enough of the other. But even a fair trade can go wrong if you’re not careful. 2,976 words Added Jun 2019 9,112 views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Size Decrease •M/M

The priapus club by Max Mann That secret shrine to the god of dicks isn’t just there for decoration. 3,169 words Added May 2002 23k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Pagan gods •M/M/M/...

The six pack by Cris Kane Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. 9 parts 39k words Added Sep 2018 31k views 4.8 stars (13 votes) •Cock Growth•Cock Shrinking•Huge Cock•Gender Swap•Butch-to-Fem•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Getting Taller•Size Decrease•Size Increase•Age Progression•Age Regression•Race/Ethnicity Change•Hair Growth/Getting Hairy•Getting Fatter•Destruction/Violence •M/M•M/M/M

Support line by BRK Customers interacting with the reps at the Metabods Support Line tend not to get the service they’re expecting—though it is always above and beyond. 4 parts 13k words Added Feb 2012 Updated 20 Mar 2021 30k views 4.8 stars (13 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Self-suck•Multicock•Multiarm•Multilimb•Multitorso•Replication•Detachable•App•Selfcest•Infectious•All Dialog •M/M

Sweat it out by Egi Working out is hard enough when you're scrawny and shy. Sometimes you need a partner to help fill you out with some unconventional methods. 2 parts 8,184 words Added Jun 2017 17k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Man Scent•Infectious •M/M

Thoros by Ziel and Solumsol In the mystic ruins of a secret, forbidden library, Thoros uncovers an exciting find—a small jade box, sealed with a binding rune Thoros knows he can unlock. The rewards inside, however, are not what he expects, and the tendrils unleashed will not stop until Thoros has been given more pleasure than he can handle. 4,756 words Added Jan 2018 34k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Belly Growth•Tentacle•Stories with Images •M

Biggest man of them all by muscl4life A short story on the life of the biggest man ever, who just happened to be short. 7,673 words Added Nov 2013 26k views 4.8 stars (12 votes) •Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength

Body game: Encounter 56 by matt1008 In a prequel to BRK’s Body game, another set of six hot guys experience the dramatic and unexpected changes the Body Game can produce. 10k words Added Feb 2016 19k views 4.8 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Multicock•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Mouthcock

The challenge by BRK A crop of fraternity pledges are given a unique challenge: to create the perfect man out of a set of randomly assigned abilities. 2,956 words Added Sep 2010 23k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M•M/M/M/...

The commute by BRK David's twenty-fifth birthday was supposed to be the start of new life, with a promotion and a live-in boyfriend. When all that suddenly goes up in smoke, all he can do is distract himself on the train into the city with imaginings of the lithe, well-muscled body of the fellow commuter sitting across from him. 4,293 words Added Feb 2017 14k views 4.8 stars (12 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

The CVN link by BRK Mike is applying for a new job. Everything’s going great, his potential new boss is a dreamboat, he’s perfect for the position. There’s just one hitch: they need his CVNs. His confusion turns to shock when he finds out from a friend just what the “N” stands for… 3 parts 9,837 words Added Jun 2020 11k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Multi-abs•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•App•Retcon•Social Media•Complete •M/M•NS

Cycle one by Absman420 Sam is a writer whose hobby is bodybuilding. His new gym is owned by a guy named Coach, who goes the extra mile to make sure “his boys” get the gains they need. 8 parts 8,889 words Added Jan 2013 25k views 4.8 stars (12 votes) •Huge Cock•Muscle/Strength•Lycra/Spandex •M/M

DeadGuy by BRK Wyatt downloads an app called DeadGuy, which is supposed to be the app responding randomly to your questions in the voice of a fake cartoon ghost. What Wyatt doesn’t know is, the ghost isn’t fake at all. 3,502 words Added Feb 2021 8,429 views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Gradual Change•Getting Taller•App•Suggestion•Merging•Ghosts•Supernatural•Complete

The four jocks by BRK A game that asks really peculiar questions leads a group of four young jocks through a series of progressively more exciting transformations. 4,470 words Added Sep 2009 32k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Transformation•Selfcest•Complete •M/M•M/M/M/...

Fred’s odyssey by RdyRoger After saving the life of a magic-user on a tropical beach, skinny Fred suddenly finds his dreams of size and endowment coming true—not only for him but for his friends, too. 6 parts 25k words Added Jul 2002 35k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship •M/M

HUSH by The Gecko Rose A young man, an Acolyte of cHurch of Universal Scientific Hedonism (HUSH), finally becomes a full Brother, and learns all the secrets of the Brotherhood. Including all their special transforming abilities... 4 parts 9,806 words Added Dec 2018 9,795 views 4.8 stars (12 votes) •Cock Growth•Hyper Cock•Self-suck•Multi-balls•Stretchy•Detachable•Transformation•Hyper Tongue•Merging•Goo People •M/M•M/M/M•M/M/M/...

The madagascar charm by Reuben When your body is capable of being controlled by a powerful talisman, the last thing you want is to meet the man who currently possesses it. Unless that man is intrigued by the possibilities of mutual enjoyment of his control over you… 5 parts 11k words Added Dec 2002 22k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Decrease •M/M

The magic of science by Ultra GMan When Todd found out that men used to go into sexual heat, it was only minutes before he had Josh whip up a spell so that he could experience that first-hand. 1,880 words Added May 2022 5,675 views 4.8 stars (12 votes) •Cock Growth•Huge Balls•Muscle Growth•Increased Libido •M/M

My growth journal by Kaelan It's my 30th birthday... and all of a sudden my body keeps changing. And it's awesome. 3,692 words Added Jul 2017 19k views 4.8 stars (12 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Incest

My quarantine get in shape plan by Dream Big Stuck at home during the quarantine, Terry orders a used weight machine, figuring he’ll use the time to lose weight and tone up. His motivation doesn’t really hit, though, until he starts spending time with his hunky neighbor, Sebastian. 24 parts 17k words Added Aug 2020 Updated 3 Oct 2020 12k views 4.8 stars (12 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Man Scent•Gradual Change•Set during the Pandemic •M/M

My son home on leave by Peterbilt A story of sex between a man and his adult Marine son when he is home on leave. 2 parts 18k words Added Feb 2017 18k views 4.8 stars (12 votes) •Huge Cock•Muscle/Strength•Age Difference•Incest•Father/Son

Network marketing by moonlight by Reo_Lion Why are werewolves compelled to spread their curse? Sounds like a pyramid scheme to me. 2 parts 13k words Added Oct 2021 5,946 views 4.8 stars (12 votes) •Cock Growth•Public Orgasm•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Hair Growth/Getting Hairy•Anthro/Furry•Werewolves•Supernatural •M•M/M

Soft skin by Michverdun Joseph has spent his entire life looking for answers, and a chance encounter might finally give him some. 5,291 words Added Dec 2022 3,454 views 4.8 stars (12 votes) •Hyper Muscle•Muscle Growth•Size Increase•Dragons•Urban Fantasy•Complete •M/M

Tag, you’re it! by Dream Big Traveling for a conference, Josh meets a distractly handsome and very well-built man with a few secrets hidden in his past. 8 parts 14k words Added May 2023 Updated 11 Nov 2023 7,217 views 4.8 stars (12 votes) •Huge Cock•Muscle/Strength•Transformation•Age Difference •M/M

Disappearance on the Overland Limited by Eclipse A train of luxury, a missing husband, and a mysterious monster on the Nevada sands await a detective and his assistant, but neither man can foresee the culprit’s intentions. 4 parts 6,609 words Added Oct 2020 Updated 31 Oct 2020 5,132 views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Man Scent•Halloween •M/M

The growth race by SomeMuscleGuy John is left growing uncontrollably as he races to be the first person to finish the race, but he may be too large before he reaches the finish. 3,701 words Added Aug 2022 13k views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Butt Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Nonconsensual change •M

The guy with the dick by BRK One morning at the park, Daniel encounters an unbelievably hot guy with a very impressive dick. 3,287 words Added Apr 2017 17k views 4.8 stars (11 votes) •Cock Growth•Hyper Cock•Multicock•Muscle/Strength•Complete •M/M•M/M/M

High quality replacement parts (free with trade‑in) by Keyed Have you always wanted, say, a smaller nose? Somewhere, if you're lucky, in some other world, there might be a version of you who has one, or who has gotten a nose-job. If so, a swapper can help you out. Watch one help an unlucky man in a big way. 3,669 words Added Jan 2018 10k views 4.8 stars (11 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Transformation•Body Swap •M/M

Jacob of the mists by Dace Long after the mists fell, the Night Guard, warped by its influence, watches over the tiny remnants of humanity left in Citadel. When Jacob undergoes changes he doesn’t understand, there’s only one person he can trust: Lyle, the Night Guard who rescued him from the mists one night. 6,306 words Added Jun 2021 3,442 views 4.8 stars (11 votes) •Huge Cock•Wings•Hyper Pheromones•Anthro/Scaly•Fantasy Realm •M/M

Joey’s genie by RdyRoger Now that he has a genie at his command, Joey is going to go enjoy the world, decides to give his friend Rob a few gifts before he leaves. 5,218 words Added Feb 2009 43k views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Djin/Jinn/Genie

Meeting Leon by TreborNawoc Oh hey! Welcome to my little story. Pull up a pew, grab something to eat, and I’ll tell you about my life so far... 2,717 words Added Nov 2023 3,007 views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock •t•M/M

Muscle milk by MaxMorphs That new muscle drink in the gym vending machine does wonders for your pecs, though maybe not in the way you expect. 2,352 words Added Jun 2020 25k views 4.8 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Immobility•Muscle Breast•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase

Muscle service station by Josef Howard A model cruising through the back roads of the midwest casually stops for gas, only to encounter a muscle god unlike any man he’s ever met before. 4,771 words Added Jul 2002 24k views 4.8 stars (11 votes) •Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Anthro/Furry •M/M

Orientation by Cris Kane After a welcoming party, freshman roommates discover that life is different at college—and so are they. 4 parts 20k words Added Apr 2019 22k views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Gender Swap•Other Mental Changes•Muscle Growth•Muscle/Strength•Getting Handsomer•Transformation•Voice Deepening•Size Decrease•Size Increase•Age Regression•Nonconsensual change •M/M

Penis juice by Josh Dugan One of the best drinks ever to come on the market is introduced at the local gas station. 931 words Added Nov 2003 18k views 4.8 stars (11 votes) •Cock Growth•Huge Cock •M/M•M/M/M/...

Playing with FanTCMan’s toys by Absman420 The Budd Brothers and their muscle adventures. 12 parts 54k words (#63) Added Jan 2024 3,540 views 4.8 stars (11 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle Worship•Hair Growth/Getting Hairy•Incest•Brothers•Complete •M/M•M/M/M•M/M/M/...

Search and rescue by BRK Roger treks deep into the rainforest to find his lost fiancé, Luke, unaware that Luke no longer needs to be rescued. 3,552 words Added Apr 2021 4,650 views 4.8 stars (11 votes) •Multi-abs•Multiarm•Multilimb•Multipec•Stacking•Transformation•Anthro/Scaly•Naga•Complete •M/M

The swimming hole: legacy by Azerreza When Nick moves to a new city he hears rumours that it had once been partially destroyed by muscular titans. Not believing it at first, he decides to ignore them. But sometimes… rumours aren’t really rumours! And if it were true that there was a way to grow like that, could he use it to seduce the secret love of his life? 3 parts 35k words Added Aug 2021 Updated 18 Sep 2021 22k views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Multi-abs•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•First Time/Virgin •M/M

Totally stoked by John Perrot Ben and Kenny enjoy some premium weed Ben found, but its effects aren’t quite what they expect. 4,106 words Added Dec 2021 11k views 4.8 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Muscle•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Cannabis •M/M

A true Villanueva by Architect of Men Austin knows his adopted family of Latino hunks truly loves him, but he can’t help feeling like he doesn’t quite belong. Fortunately, Dad Miguel always knows how to make things better. 1,251 words Added Jan 2022 5,691 views 4.8 stars (11 votes) •Muscle Growth•Race/Ethnicity Change•Hair Growth/Getting Hairy•Incest •M/M

A tune up by Dream Big Jay’s new boyfriend is younger and hunkier than he is, making him feel unworthy. Kim coaxes him into a workout regime and hooks him up with a friend’s experimental workout supplement, and before long Jay is catching up to his boyfriend—a lot faster than he should be. 4 parts 8,601 words Added Mar 2019 Updated 30 Mar 2019 15k views 4.8 stars (11 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength •M/M

You and I: The beginning by Also Known As In the beginning, there was growth, and muscle, and … well, there was a little trial and error along the way. 9,251 words Added Aug 2016 17k views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Public Nudity•Plausible Size Difference•Size Increase•Suggestion •M/M

#bigdickproblems by BRK Dante is having a problem with his dick not wanting to stay hidden, and the more he tries to do about it the worse it gets. 3,790 words Added Feb 2023 9,856 views 4.8 stars (10 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Increased Libido•Nonconsensual change •M

The extreme muscle growth fraternity by Bruce Budding bodybuilder Adam finds a muscle home when he joins a certain campus fraternity. 5 parts 3,554 words Added Apr 2022 Updated 10 Dec 2022 16k views 4.8 stars (10 votes) •Muscle Growth•Muscle/Strength •M/M

Growth gel by BigManBigBelly Felix grows to resent his recently unemployed husband’s laziness around the house and decided to transform his body to match his sinful sloth and gluttony. 3,987 words Added Apr 2022 12k views 4.8 stars (10 votes) •Cum inflation•Belly Growth•Male Pregnancy•Size Increase•Getting Fatter•Inflation •M/M

Hot as fire by Double-U Jackson is fed up with his volunteer firefighter dad spending so much time at the firehouse, seeing as how there were never any fires in Pinefield. Finally he psychs himself up to go down there and see for himself what’s really going on. 5,154 words Added Oct 2017 12k views 4.8 stars (10 votes) •Cock Growth•Muscle Growth•Muscle/Strength •M/M

The hulk pill: Contagion by Azerreza Awakened by his brother Mike, David got the surprise of his life when he discovered that his big brother was now... really big: 8 feet tall and probably several tons of muscle. Unfortunately he did not know more about what had happened to him, so he met his friends at the mall as planned. But during the day, he noticed that his clothes seemed to be getting tighter and tighter, including the new ones he had just bought that morning... David was unknowingly one of the first to be infected with what would quickly become a pandemic. 4 parts 16k words Added Jul 2022 Updated 24 Sep 2022 20k views 4.8 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Increased Libido•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Nanotech•Destruction/Violence•Nonconsensual change•Infectious •M

MissinGRO by Ziel Javier discovers to his delight that encountering the infamous Pokémon glitch Missingno can have unanticipated real-world effects. 5,534 words Added Mar 2017 13k views 4.8 stars (10 votes) •Huge Cock•Multi-balls•Multicock•Multiarm•Multilimb•Butt Growth•Plausible Size Difference•Size Increase

New slave by MonsterMash62 If you had a magic rock that granted wishes that came true retroactively, would anyone even believe you if you told them? 4 parts 3,251 words Added Jan 2013 29k views 4.8 stars (10 votes) •Cock Growth•Huge Cock•Muscle/Strength•Retcon•Sex-Slave•Mind Control •M/M

Switchers by Tommyhawk Bryan, academically gifted but physically not so fortunate, decides to pick a “switcher” from the classifieds for a night of fun in a hunky guy’s bod. 5,557 words Added Apr 2003 17k views 4.8 stars (10 votes) •Body Swap •M/M

You and I: At the Bar by Also Known As I don’t always wish to cause a commotion. Sometimes it’s more fun—more…satisfying—to make my changes without anyone even noticing my presence. 5,359 words Added Jun 2017 14k views 4.8 stars (10 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Suggestion

Beyond Marrakech by brazboy What lies beyond Marrakech, gateway to the inhospitable Sahara? There lie lush green oases amidst the endless sand, made possible and populated by an unusual variety of men, their society, their rules and rulers. 6 parts 10k words Added Feb 2023 4,495 views 4.8 stars (9 votes) •Always Hard•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Muscle/Strength•Public Nudity•Increased Libido•Giants•Plausible Size Difference•Age Difference•First Time/Virgin•Incest•Brothers•Dom/Sub•Sex-Slave•Medieval(ish) •M/M•M/M/M/...

The Bull Factory by Portowulf Ricardo finds himself at the new “Bull Factory” club, and learns where the name comes from. 1,980 words Added May 2020 13k views 4.8 stars (9 votes) •Getting Fatter

Family trouble by HandsomeLitleBoy Max starts to notice some strange behavior from his big brother Brad—behavior that involves ungodly amounts of cum. 2 parts 2,454 words Added Oct 2020 12k views 4.8 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Getting Taller•Incest•Brothers•Twins

5D network by Ziel Forrest settles in for a nice relaxing getaway in a cozy cabin far from the hustle and bustle of the city. This cozy cabin is far from rustic though. He’s got all the electricity, fast internet, and even cell signal thanks to an experimental new tower. 2,258 words Added Mar 2021 5,775 views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-balls•Multicock •M

Growing together by YungFrancis Sammy’s one of a whole group of massive muscle freaks who spend all their time working out and dealing with being huge. He’s already too big for doorways, his husband, Tommy, is even bigger, and they want to keep growing. 2 parts 6,563 words Added Dec 2018 18k views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Guycanthropy by Ziel Jaimie was planning on spending Halloween at home gaming it up, but a text from his pal prompts him to go check up on their mutual friend. What Jaimie finds surpassed his largest and wildest dreams. 5,804 words Added Nov 2019 17k views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Increase•Halloween •M/M

The hike by JayPat When a bunch of teens go out into the woods by the lake for a long hiking trip, it becomes a growth experience for them (and not in the figurative sense). 6 parts 19k words Added Sep 2012 23k views 4.8 stars (9 votes) •Muscle Growth•Muscle/Strength•Size Increase

Jonathan’s journey by Richard Jasper Join Jonathan and his best friend Todd on their four-year journey from geeky 14-year-olds to veritable mountains of mind-blowing muscle! 13 parts 13k words Added May 2020 8,942 views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase

The lawnmower boy by Anonymous 6,172 words Added Jul 2006 25k views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference

Mandemic by Ziel When the cock-growing virus breaks free, even quarantining may not be enough. 2,374 words Added Apr 2020 15k views 4.8 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Immobility

Mindfuck by BRK A budding wizard’s search for hands-free j/o leads him unexpectedly into a life of constant stimulation. 3,143 words Added Dec 2013 16k views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Self-suck

My man by hyperboi Straight jock Brian is okay with his muscle queen roommate, Kevin, affably resisting Kevin’s playful advances. Kevin, however, has some ideas about how to give Brian a change of attitude. 6,077 words Added Mar 2016 22k views 4.8 stars (9 votes) •Huge Cock•Straight to Gay•Muscle/Strength•Mind Control

My roommate’s soft spot by brazboy Guilherme’s tall, handsome, and muscular roommate seems like the perfect guy, but he has a big secret that not everyone can really accept—not even himself. 5 parts 14k words Added Jul 2021 Updated 31 Jul 2021 7,739 views 4.8 stars (9 votes) •Huge Cock•Multicock•Mouthcock•Incest•Brothers

No nut for you by Musclesaber Joey has almost made it through No Nut November without breaking his determination. With his big balls aching for release he calls his friend Brian, who has a good way for him to find some release without losing NNN. 2 parts 8,269 words Added Nov 2023 Updated 9 Dec 2023 10k views 4.8 stars (9 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Muscle•Pec Fucking•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Butt Growth•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase •M/M

OmniGro by Whatinsomnia and Ziel Dissatisfied with the speed at which the current OTC dick growing serum works, Eli, a brilliant scientist in his own right, sets out to make his own super-powered serum. Eli wastes no time in breaking in the new concoction on himself and his boyfriend. The results speak for themselves and their new product revolutionizes the world as they know it. 3 parts 45k words (#84) Added Mar 2016 29k views 4.8 stars (9 votes) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Size Increase •M/M

The phallus god of destiny by UberPump Benjamin has been possessed by a Japanese demon called an Oni, one who possesses the power to create the desires of those whom it possesses.   He has the desire to get what he wants—a bigger cock, a bigger body, and much bigger pecs.  Once he's fulfilled the divine duty of cock fucking the statue, he's imbued with great power to turn anyone into hyper muscled, big, dicked followers... only he must fulfil his duties as a newly-grown deity or face the consequences that, if unused, power must be stored somewhere. 5,280 words Added Jul 2023 8,635 views 4.8 stars (9 votes) •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Voluptuous Men•Increased Libido•Getting Handsomer•Voice Deepening•Forced Growth•Size Increase•Inflation•Bisexual•Absorption•Hyper Pheromones•Djin/Jinn/Genie•Supernatural•Possession •M•M/M

Splitting headache by Dakon Grant is confronted by Gio, a friendly himbo looking for help with an intense migraine. In helping Gio, he gets his fantasies fulfilled as the medication has some interested side effects on the gym rat. 3,055 words Added Jul 2023 1,742 views 4.8 stars (9 votes) •Multicock•Multihead•Multiarm•Multilimb •M/M

The technician by BRK A special prize for a milestone customer on a literal-minded magic elevator yields some interesting results. 1,805 words Added Jun 2012 16k views 4.8 stars (9 votes) •Cock Growth•Replication•Muscle Growth•Getting Taller•Size Increase•Nanotech•Selfcest•Complete•Set in the Future

WYRD: What You Really Desire by RDR Marco is sick of being a small guy, doing what he can to fix the issue. When hope seems lost, a pop up appears on his computer asking what he really wants as if it were going to give it to him. But what does Marco really want? 1,478 words Added Apr 2021 8,942 views 4.8 stars (9 votes) •Nipple Emissions•Muscle Breast•Muscle Growth•Voluptuous Men•Butt Growth

Alpha encounters: Addison by Eric Aaldersen A varsity basketball hunk goes to the gym to burn off some of his sexual energy, but gets more than he bargained for. 3,455 words Added Apr 2022 7,998 views 4.8 stars (8 votes) •Huge Balls•Huge Cock•Straight to Gay•Muscle/Strength•Bisexual•Hyper Pheromones •M/M

Build-A-Hunk by YellowJester Hunk Tech’s new Build-A-Hunk allows you to customize everything about a man. Gwen seizes upon this opportunity to get the husband she always wanted. 4,641 words Added Jul 2022 7,953 views 4.8 stars (8 votes) •Cock Growth•Other Mental Changes•Muscle Growth•Getting Handsomer•Getting Taller•Hetero Sex •M/F

BYBF: Build Your Boyfriend by eyematerror Desperate for love, Tim uses a magical new service to create his ideal boyfriend. In the process, however, he finds himself saddled with responsibility… 7,104 words Added May 2021 4,101 views 4.8 stars (8 votes) •Muscle/Strength•Centaurs

Compromised by BRK Ordered to recontain a damaged, wildly radioactive experiment, Warin experiences disaster when his state-of the-art hazmat suit is suddenly breached in mid-operation. 2,490 words Added Dec 2023 5,702 views 4.8 stars (8 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Giants•Forced Growth•Size Increase•Nonconsensual change •M

Demigod chronicles I: Herakles by aquila A powerlifter finally hits his goals with his trainer, only to realize that there’s something big he should know about him. It isn’t all shakes and good form that gets you to top shape… sometimes, you gotta pray. 2 parts 3,646 words Added Dec 2018 11k views 4.8 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase •M/M

For my next trick by Alex Anders A naked magician performs for an eager bachelor party, and even gets a few surprises of his own. 10 parts 7,555 words Added Nov 2022 Updated 17 Dec 2022 6,254 views 4.8 stars (8 votes) •Human to Cock•Multicock•Three Legs•Wristfeet•Crotchhead•Stretchy•Detachable•Body Part Rearrangement•Transformation•Mouthcock•Merging•Complete •M/M

Good Johnson by Cockatrice They say dicks often have a mind of their own, but Colton's dick takes this to a new level. 2 parts 15k words Added Feb 2020 Updated 13 Jun 2020 5,858 views 4.8 stars (8 votes) •Cock to Human•Detachable

Jake: hand-drawn giant by spacevlad Drawing massive, muscle-hunk football stars seems like a safe enough hobby—but what if your drawing takes on a life of its own? 7 parts 12k words Added Sep 2009 32k views 4.8 stars (8 votes) •Huge Cock•Muscle Gut•Muscle/Strength•Size Increase•Infectious •M/M

Jason’s surprise by Jefftaur Jason comes home with a surprise. Hint: it involves extra shoes left by the door. 3,355 words Added Jan 2001 13k views 4.8 stars (8 votes) •Multicock•Boytaur•Multiarm•Multileg•Multilimb •M/M

Keith the new guy by BRK New hire Keith readies himself for his first-day meetings with his new boss, but the twink receptionist is kind of distracting—and why does his shirt feel tight all of a sudden? 3,163 words Added Aug 2021 8,358 views 4.8 stars (8 votes) •Cock Growth•Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Nonconsensual change •M/M

Me and my big brother by Elliott Corbett Kameron experiences a magical summer with his big brother, Kyle. 2,799 words Added Dec 2021 4,844 views 4.8 stars (8 votes) •Incest•Brothers •M/M

A miracle on 69th Street by Ziel Christmas just doesn’t feel like Christmas this year for Nick, but a midnight visitor changes that. Santa Claus might not be coming this year, but Nick and his new friend sure are. 8,172 words Added Jan 2016 14k views 4.8 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Christmas •M/M

The Mod by BRK A couple on their anniversary cruise tries that new designer transformation drug, only they don't quite get what they bargain for. 1,594 words Added Jun 2019 11k views 4.8 stars (8 votes) •Cock Growth•Cock Shrinking•Huge Cock•Multi-abs•Muscle Growth•Muscle/Strength•Getting Taller•Hair Growth/Getting Hairy •M/M

Mystery lot by screamingmoist Things don’t go as planned when a young man buys a box of old porn tapes at an estate sale, taking him and his roommate from spectators to performers. 3,533 words Added Mar 2023 4,980 views 4.8 stars (8 votes) •Cock Growth•Cock Shrinking•Muscle Growth•Butt Growth•Nonconsensual change •M/M

The new cook by Tym Greene A potions student decides to use his part time job to test out some of his homework. Hilarity ensues. 6,529 words Added Feb 2021 3,918 views 4.8 stars (8 votes) •Multihead•Transformation•Size Increase•Human to Animal/Anthro•Merging•Anthro/Furry•Satyrs•Supernatural

The potion shop by Alpha Pup Templar A new potion shop has opened in the countryside of Marketh. Strangely, they don’t sell healing potions. Instead they sell transformation potions of every kind imaginable! So what happens when adventurers don’t read the directions? 3 parts 5,540 words Added Jan 2023 Updated 11 Feb 2023 12k views 4.8 stars (8 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Public Orgasm•Multi-abs•Multi-balls•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Multipec•Getting Dumber•Other Mental Changes•Immobility•Muscle Growth•Public Nudity•Man Scent•Butt Growth•Increased Libido•Getting Handsomer•Transformation•Getting Taller•Forced Growth•Size Increase•Cocktaur•Nonconsensual change•Bodily Fluids•Hyper Pheromones•Centaurs•Dragons•Fantasy Realm•Mind Control •M•M/M

Professor Magnus’s transformation class by BRK The hot students in Professor Magnus's transformation class know that working with him will be life-changing—not to mention body-changing. 2 parts 7,180 words Added Dec 2010 Updated 15 Jun 2018 24k views 4.8 stars (8 votes) •Cock Growth•Huge Cock•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Three Legs•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Witch/Warlock/Wizard•Complete •M/M•M/M/M

Read aloud by BRK Timothy decides to use his favorite website’s new read aloud feature so he can concentrate on his jerkoff session and really get into the story. Instead, the story gets into him. 3,068 words Added May 2020 8,316 views 4.8 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Stacking•Muscle Growth•Muscle/Strength•Getting Taller•Complete •M/M

Reset by Richard Jasper Inexplicably starting his life over again as a weedy teenager, Richard is determined to make sure things are different this time. 9,819 words Added Mar 2020 9,550 views 4.8 stars (8 votes) •Gay to Straight•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Age Regression

Side effects 2000 by Braun1 and Z Mike and Jan begin an odyssey of muscle, growth, transformation, sex, and love. 31 parts 127k words (#12) Added Jul 2002 40k views 4.8 stars (8 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase•Infectious

Superman gets big by Richard Jasper Perry White sends Clark Kent off to cover his first bodybuilding contest, prompting interesting developments! 8 parts 9,920 words Added Nov 2020 11k views 4.8 stars (8 votes) •Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Superhero/Supervillain

21 dollar footlong by Ziel Angus receives a new app from his buddy which claims to allow him to host his very own growth drive! Angus could use the money, and it’s not like the app can really grow his cock. It’s just trick photography and photo manipulation, right? 8,683 words Added Oct 2019 19k views 4.8 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•App•Social Media •M

The universal lexicographer by BRK Agent Aaron Levesque is annoyed. His latest case is obviously a joke, and his next interview is with a man accused of altering someone’s existence just by telling them their middle name was not what they thought it was. 2 parts 5,846 words Added Jul 2023 2,287 views 4.8 stars (8 votes) •Cock Growth•Multicock•Multiarm•Multilimb•Increased Libido•Retcon•Nonconsensual change •M/M

Untamable by ZeroZeroNull A very drunk guy gets back home after his birthday party only to find a strange gift waiting for him… 3,533 words Added Nov 2019 11k views 4.8 stars (8 votes) •Cock Growth•Self-suck•Muscle Growth•Man Scent•Size Increase•Human to Animal/Anthro•Anthro/Furry •M

Workout buds by Wicked Alex finds a new workout buddy that really helps with his workout results. 3,126 words Added Feb 2017 11k views 4.8 stars (8 votes) •Muscle Growth•Muscle/Strength

Across the metaverse by BRK In a corner of a bustling shopping center parking lot, Joe finds something that shouldn’t be there. But… the sexy, three-legged, planet-saving hero Preter Garadin couldn’t possibly be real. Could he? 2 parts 5,918 words Added Jan 2023 1,579 views 4.8 stars (6 votes) •Multileg•Multilimb•Three Legs•Aliens •M/M

Alpha Jamie and Alpha Jordan spread their seed by Eric Aaldersen Not even aware of their new status as alphas, Jamie and Jordan have loads of fun with their teammates. 5,341 words Added Apr 2020 9,219 views 4.8 stars (6 votes) •Huge Balls•Huge Cock•Muscle/Strength•First Time/Virgin•Supernatural •t/t

Becoming Jeremy by Collan Two high school seniors take a chance at new lives. 3,597 words Added Apr 2022 10k views 4.8 stars (6 votes) •Muscle/Strength•Nonconsensual change•Body Swap•Stories with Images •t/t

The Change by Richard Jasper A skinny researcher’s muscle growth experiments on himself make for impressive changes. Then he tries them out on his friend, who’s already muscular. 4 parts 6,368 words Added Feb 2009 33k views 4.8 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

A Christmas miracle by Unknown What’s Santa packing as a Christmas gift for scrawny Tim? In Tim’s dreams, it’s muscle, for starters. 2 parts 2,160 words Added Jun 2002 26k views 4.8 stars (6 votes) •Muscle Growth•Muscle/Strength•Christmas •M•M/M

Colt chronicles: Case law by Neltharion5 Colt needs a notary for an important document, but the one recommended to him is a little unconventional. 5,627 words Added Sep 2009 19k views 4.8 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

The first Noël (and the second, and the third) by BRK Zac gives a hand to a couple of sexy strangers a week before Christmas, and is astonished to receive a generous stroke of goodwill in return a few days later. 2 parts 5,969 words Added Dec 2023 1,515 views 4.8 stars (6 votes) •Huge Cock•Extra digits•Multi-balls•Multicock•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Increased Libido•Detachable•Brothers•Twins•Androids/Cyborgs•Christmas •M/M•M/M/M

Foot factory by James Fourlegs A popular new store really whomps up the multi-leg trade. 938 words Added Apr 2000 9,378 views 4.8 stars (6 votes) •Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs

The four jocks: Quarantine edition by BRK Stuck at his friend’s island beach house with two other guys from the swim team, Howie is enjoying his hunky friends’ company and trying to ignore their considerably better luck in the cock sweepstakes. Then they decide to wile away a stormy afternoon playing this strange game they found in the back of a cupboard… 4,318 words Added Nov 2020 5,516 views 4.8 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cum•Multicock•Multiarm•Multilimb•Muscle/Strength•Complete•Set during the Pandemic •M/M

The franchise by BRK It turns out there’s a secret direct-sales network of individually owned franchises for the sale of extra arms, legs, and the like. And the franchise in Branigan County, SD is for sale, to the right kind of buyer. 3,858 words Added Sep 2012 11k views 4.8 stars (6 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Complete •M/M

The Grand Duke’s punishment by brazboy In Panalaran there are many stories. One is that of the rebel Grand Duke who for his treason was impaled on the King’s Grand Cock, but who was forgiven for the Gods willed him to survive. 2,534 words Added Apr 2022 3,800 views 4.8 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Fantasy Realm •M/M

The hulk pill: Contagion 2 by Azerreza Having just been beaten up by his usual bully, Matt thought that this day couldn’t have started any worse. Especially since he had to meet his buddies, David and Ben at the mall. But he had absolutely no idea that this day would change everything and that, on the contrary, it would be the best day of his life... 6 parts 23k words Added Jan 2023 Updated 4 Feb 2023 9,439 views 4.8 stars (6 votes) •Hyper Cum•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Voice Deepening•Size Increase•Nanotech•Destruction/Violence•Infectious •t/t

Lather, rinse, repeat by Cris Kane Jack accidentally grabs his missing roommate's Twink-brand shampoo in the shower and feels like a new man. 2 parts 9,938 words Added Sep 2020 Updated 3 Oct 2020 11k views 4.8 stars (6 votes) •Other Mental Changes•Straight to Gay•Muscle Theft•Muscle/Strength•Size Decrease•Hairless

Many Man, the self-twin by S.E. Hello! Welcome to my blog! Many Man Blog is a blog where I share the happenings of myself and my boyfriend, who has a rare, almost magical, medical condition. 1,767 words Added May 2020 3,652 views 4.8 stars (6 votes) •Replication•Twins•Selfcest

A matter of perspective by BRK Todd doesn’t appreciate what he has—height, beauty, a long and lanky bod. Only shortish muscle dudes are sexy in his eyes. Fortunately, his boyfriend, Jay, has a way to teach Todd how to see his blessings from an entirely new angle. 2 parts 4,705 words Added Jun 2023 Updated 5 Aug 2023 5,978 views 4.8 stars (6 votes) •Cock Growth•Cock Shrinking•Muscle Growth•Getting Taller•Size Decrease•Nonconsensual change•Witch/Warlock/Wizard•Complete •M/M

MIL: Men of Incredible Length by brazboy Ravi, or Oitresseis, is a transformed (mutated) agent of Brazil’s secret ministry dealing with magical and alien affairs. Now, a new drug—manufactured by human testicles parasitized by gooey aliens—is getting attention from his department, and it is his job to prevent its spread… 4 parts 15k words Added Oct 2023 Updated 28 Oct 2023 4,856 views 4.8 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Cum inflation•Cum Milking•Hyper Cum•Nipple Emissions•Public Orgasm•Multicock•Lots of Legs•Multiarm•Multileg•Multilimb•Multipec•Replication•Hyper Muscle•Immobility•Muscle Growth•Increased Libido•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Vore•Absorption•Shared Body•Aliens•Goo People•Complete •M/M•M/M/M

Next Us Valley by MuscleNexus Matt’s been working out hard, but his impressive achievement have leveled out—even with his drive to be the biggest guy at the gym, his muscles just won’t grow anymore. How far is he willing to go? 3,488 words Added Sep 2017 10k views 4.8 stars (6 votes) •Muscle Growth•Muscle/Strength •M/M

The night he came by Charles Westfall Thomas encounters alien visitors with equipment even bigger than his. 7,839 words Added Jul 2002 23k views 4.8 stars (6 votes) •Cock Growth•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Size Increase•Nanotech•Aliens

Parkas by Joey There's goodies in those hoodies. 3,064 words Added May 2006 7,046 views 4.8 stars (6 votes) •Multiarm•Multilimb

Part-time job by brazboy Murilo decides to get a part time job recommended to him by his cousin: he will be attached to the insides of a vending machine to provide it with the necessary amount of cum and pec milk to satisfy its hungry customers. Nothing major is supposed to happen, until Murilo’s friends make an order which will send the machine into overdrive… 9,229 words Added Jun 2023 8,407 views 4.8 stars (6 votes) •Cock Growth•Cock Pumping•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Cum Milking•Hyper Cum•Nipple Emissions•Public Orgasm•Muscle Growth•Public Nudity•Increased Libido•Gradual Change•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•Complete •M/M/M/...

The primal transformation by Hairy Beard Matt finds himself inexplicably growing hairier and hairier. 5 parts 3,550 words Added Dec 2023 2,572 views 4.8 stars (6 votes) •Gradual Change•Transformation•Hair Growth/Getting Hairy •M

Purple is transformation by brazboy New Year’s Eve is a day surrounded by superstition, one of the most famous being that the color that you choose to wear is associated with something that is going to happen in the new year. Orange is strength, red is sex, green is hope, and purple… purple is transformation! 5,891 words Added Dec 2022 5,136 views 4.8 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Multicock•Straight to Gay•Hyper Muscle•Muscle Growth•Public Nudity•Plausible Size Difference•Retcon•New Year’s Eve•Complete •M/M

Remote control by brazboy Rodrigo orders some remote-controlled dildos he can use at work. What he didn’t know is that he’d not be the only one in the office with such a device. 2 parts 9,087 words Added May 2023 3,969 views 4.8 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Public Orgasm•Multi-abs•Multi-balls•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitorso•Stacking•Muscle/Strength•Dildos/Toys•Complete •M/M•M/M/M•M/M/M/...

Thirst trap by Lou Garou 78 A dose of spiked juice turns a gym bro into his neighborhood cops’ biggest fan. 4,774 words Added Mar 2022 6,841 views 4.8 stars (6 votes) •Straight to Gay•Muscle Growth•Muscle/Strength•Dom/Sub•Anthro/Furry •M/M

This is Sean by Cockatrice Michael is nervous because he is bringing his boyfriend Sean to his parents’ place for the first time. Even more, Sean is a werecock and does not understand why that has to be kept a secret from Michael’s parents... 2 parts 12k words Added Mar 2020 Updated 28 Jan 2023 6,190 views 4.8 stars (6 votes) •Human to Cock•Transformation•Cocktaur•Christmas •M/M

Three penises by Josh Dugan The guaranteed results from the cover article of a sold-out copy of a mens' magazine. 2 parts 1,997 words Added May 2005 14k views 4.8 stars (6 votes) •Huge Cock•Multicock

Trick of memory by James Fourlegs Ed's forgetfulness leads to a lot of extra pleasure. 781 words Added May 2002 8,322 views 4.8 stars (6 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Selfcest

An average night out by Hairymusclemorphs An average night out at a colleague's party gets way better when Luke runs into an extra-large friend. 3 parts 14k words Added Mar 2024 4,540 views 4.8 stars (5 votes) •Cock Growth•Huge Balls•Hyper Cock•Dom to Sub•Muscle Growth•Man Scent•Increased Libido•Voice Deepening•Hair Growth/Getting Hairy•Dom/Sub •M/M

Bait and tackle by Ziel Sapp continues his size-draining activities. This time against the speed and power of a hero called Linebacker. 5,442 words Added Apr 2020 17k views 4.8 stars (5 votes) •Cock Growth•Cock Shrinking•Muscle Growth•Muscle Theft•Size Decrease•Size Increase•Humiliation•Superhero/Supervillain

Banned clones by Josh Dugan How might a man and his clone get to really know each other? 1,283 words Added Mar 1997 11k views 4.8 stars (5 votes) •Replication•Selfcest

Benefits of vore by brazboy Despite different bodies and talents, everyone can serve their nation at times of war. Sometimes, one finds enormous personal benefits to serving. 3,450 words Added Nov 2022 7,432 views 4.8 stars (5 votes) •Cock Vore•Huge Balls•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Public Nudity•Destruction/Violence•Complete •M/M

Change of mind by Mango Deville A man with a failing body finds a way to swap places with a healthy but brain-dead young man. 6 parts 9,459 words Added Jan 2003 19k views 4.8 stars (5 votes) •Body Swap •M/M

Destructive boys: Dennis’s Christmas present by MarcusB00 Christmas has come around, and Mason has plans for his #1 fan to make his Christmas even better. 3 parts 3,523 words Added Dec 2020 7,852 views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Muscle Worship•Destruction/Violence•Christmas •M

Enriching experiences by brazboy Bruno had been to the very same club for three whole years to swim—yet, it took him visiting it at a different hour just once to see something he had never even imagined seeing with his own eyes. 5,618 words Added Jul 2023 2,998 views 4.8 stars (5 votes) •Huge Cock•Hyper Cock•Prehensile Cock•Hyper Cum•Multicock•Tentacle •M/M/M

Hoompa by Martin Boyar It's only a little bit easier to deal with an inferiority complex when they are so nice to you! 1,224 words Added Sep 2004 9,073 views 4.8 stars (5 votes) •Lots of Legs•Multiarm•Multilimb•Detachable

John by BRK On your first day at college, you might end up rooming with someone who’s a little strange. He might even have more body parts than usual. 1,976 words Added Jan 2003 12k views 4.8 stars (5 votes) •Multileg•Multilimb•Three Legs

Koruna’s kiss by BRK Clem knows his birthmark sets him apart from the rest of the tribe, but it’s not until he starts his 25th year that he finds out why. 3,196 words Added Aug 2022 3,893 views 4.8 stars (5 votes) •Cock Growth•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Gradual Change•Transformation•Getting Taller•Size Increase•Destruction/Violence•Supernatural•Metabods 25•Complete •M/M

Landfall by BRK When the mighty starship Q.S.S. Knox is destroyed falling through a suddenly created wormhole, its portable A.I. finds himself marooned on an alien world with the one man he can't stop thinking about. 3 parts 12k words Added Dec 2019 6,539 views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Christmas•Complete •M/M

Metaboi: Kieran by BRK At restaurant where he works, Kieran finds a package of left-behind clothes from a store he’d never heard of called Metaboi. 5,489 words Added Jan 2014 13k views 4.8 stars (5 votes) •Multicock•Multiarm•Multilimb•Replication•Retcon•Selfcest

Metamorphosis by brazboy Diego is invited to spend the weekend at his boyfriend’s house for the first time. This presents an exciting prospect for the future of their relationship—and his boyfriend thinks so too. He wants Diego to dive headfirst into their new future… 5,259 words Added Nov 2023 1,288 views 4.8 stars (5 votes) •Multicock•Detachable•Nonconsensual change •M/M

Monster Mashup by matt1008 Four bored guys at a Halloween party decide to play a game that unexpectedly results in delightfully monstrous transformations. 7,288 words Added Oct 2020 7,187 views 4.8 stars (5 votes) •Huge Cock•Transformation•Size Increase•Sex-Slave•Anthro/Furry•Vampires•Werewolves•Supernatural•Halloween •M/M•M/M/M/...

Mountainfeet by Dan Black 2,863 words Added Aug 2003 15k views 4.8 stars (5 votes) •Cock Growth•Hyper Cock•Extra digits•Extra facial features•Extra Mouths•Multicock•Multilimb•Multitongue•Stretchy•Hyper Tongue

Muscle bots by Meddler Incs Have a problem with your device? The Department of Cybernetic Deviations is here to help! 2 parts 1,955 words Added Jan 2018 8,675 views 4.8 stars (5 votes) •Muscle/Strength•Androids/Cyborgs•Set in the Future

The muscle machine by Richard Jasper When Max Hardesty returns to Emory after summer break, his freshman roommate, Ralphie Peters, is in for a big surprise! And it just keeps getting bigger! 11 parts 8,800 words Added Aug 2020 12k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase

My idol by Cris Kane A skinny archaeology major morphs into his wrestler roommate thanks to a wish-granting idol. 3,271 words Added Dec 2019 5,446 views 4.8 stars (5 votes) •Muscle/Strength•Transformation

The penile colony by brazboy Raimundo Santos is a ruthless killer about to face justice. He is also one of the first convicts to go through the new Brazilian reclusion profess: penification. 2 parts 4,916 words Added Dec 2023 1,638 views 4.8 stars (5 votes) •Huge Cock•Human to Cock•Multicock•Nonconsensual change •M/M

Ray of light by dymondbolt Ray’s chance encounter at a new club with a sexy-voiced man just before the magic show becomes even more interesting when he turns out to be the magician. And he might need a volunteer from the audience. 6,666 words Added Jan 2012 24k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle/Strength•Transformation•Hypnosis •M/M

Rekindling the friendship by EdIam Mark and Jack used to be best friends. Perhaps there is some way Mark can rekindle that friendship? 14k words Added Apr 2021 5,238 views 4.8 stars (5 votes) •Straight to Gay•Humiliation•Nonconsensual change•Hypnosis•Mind Control•Complete

The rider by Richard Jasper In the near future, Immersive Reality allows you to directly connect to another person’s sensorium, experiencing all of their senses. At the end of his life, Roger Jessup decides it’s time to go out with a bang. It’s one helluva ride! 6,485 words Added Sep 2020 3,608 views 4.8 stars (5 votes) •Hyper Strength•Muscle Growth•Muscle/Strength•Body Swap

The risk by Marc Adrien Godin Admonished by his now ex-girlfriend to “take a risk”, Sam enrolls in a drug trial. 6,728 words Added Jul 2006 15k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Addiction•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Nonconsensual sex

Sealed by brazboy Hui is a handsome but poor lad who excavates old buildings for treasures—but much more than wealth, what he finds down there is an sealed-in, ancient super-human creature. 2 parts 13k words Added Oct 2023 Updated 14 Oct 2023 3,445 views 4.8 stars (5 votes) •Hyper Cock•Prehensile Cock•Multicock•Boytaur•Multiarm•Multilimb•Six Legs•Multipec•Stacking•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Shapeshifting•Complete •M/M

The secret of the ooze by BRK Jerry brings home a strange plant that produces, as it turns out, a truly remarkable lube. Using it he also attracts the interest of his sexy, well hung roommate. 2,736 words Added Jul 2015 17k views 4.8 stars (5 votes) •Huge Cock•Plants

Subject 91 by Tict A young man with big muscles and a big tool is found wandering a highway with no clothes and no memory of who he is or what happened to him. The only clues he has to go on are the number 91 tattooed on his chest, and the strange effect he has on other guys. 2 parts 2,602 words Added Feb 2014 19k views 4.8 stars (5 votes) •Muscle Growth•Muscle/Strength•Nonconsensual change

Superhero license by Neltharion5 Gunner, a powerful superhero, is brought down by a delinquent hero license renewal. He has to be a sidekick for three randy heroes in order to regain his superhero status. 5,101 words Added Nov 2017 13k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Size Decrease•Size Increase•Dom/Sub•Nonconsensual change•Superhero/Supervillain •M/M

Supersize me by LuciferRexMundie We’ve all heard urban legends that get passed around towns. Harrison, a slacker fast food employee, is about to find out that sometimes wishes do come true; terribly, horribly erotically true. Whether he wants them to or not… 6,075 words Added Apr 2020 9,679 views 4.8 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Horror

To a tee by Cris Kane Teddy is amazed to see how much his older brother has grown since going away to college. 2,189 words Added Dec 2019 11k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Incest•Brothers

Transmat by BRK A bunch of young engineers’ celebration tour of the transmat they invented gets cut short when one of them comes out with two of his handsome faces instead of one. He’s pretty cool about it, and so is his buddy with the secret crush on him. 3,000 words Added Aug 2005 12k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Self-suck•Multihead

The tryst by BRK Sleekly fit baseballer Mark and brawny wrestler Jagger, each hot for the other despite the inexplicably fierce mutual rivalry of their respective teams, arrange a secret hookup in a forgotten supply room behind the old stadium. Only, some of those old chemicals really shouldn’t be disturbed… 2,600 words Added Apr 2023 5,154 views 4.8 stars (5 votes) •Cock Growth•Cock Shrinking•Muscle Growth•Plausible Size Difference•Size Decrease•Size Increase •M/M

25 bottles of beer on the wall by Seth Peterson A New Year’s frat initiation bears some very delicious fruit for newcomer Mateo! 1,443 words Added Jan 2022 6,440 views 4.8 stars (5 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•New Year’s Eve•Metabods 25•Alcohol •M/M/M/...

When I was still human by Richard Jasper As a teen Roger was 6 feet tall and 300 pounds of solid muscle. Nearly 30 years later he’s in his early 40s—and he’s never stopped growing, in any dimension: height, weight, strength, dick. Is he still human? 3 parts 2,973 words Added Nov 2020 11k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase

You dreamer by Josh Dugan Dream, and it might come true. 4 parts 6,986 words Added Sep 2004 8,588 views 4.8 stars (5 votes) •Four Legs•Lots of Legs•Multileg•Multilimb•Wristfeet

Charlie by NBCK99 Like everyone else in the dorm, Jude has gotten used to Charlie, the guy down the hall, and the way Charlie’s cock grows in his sleep—not to mention the effect it has on the everyone around him. But when he wakes up to find that Charlie’s cock has gotten not only out of hand but out of room, Jude confronts Charlie, with unexpected results. 3,891 words Added Nov 2014 20k views 4.7 stars (24 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay •M/M

Four-legged Ivan by Josh Dugan Let’s just say that four-legged Ivan is… multitalented. And he likes to share his experiences with his best friend (and himself). 12 parts 15k words Added Jul 2016 Updated 20 Oct 2018 27k views 4.7 stars (24 votes) •Cock Growth•Huge Cock•Multicock•All Legs•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Muscle Growth•Detachable•Size Increase•Mouthcock•Selfcest•Centaurs•Christmas•Alcohol •M/M

Mirror, mirror on the wall by Double-U That new mirror in his cocky, built roommate’s bathroom has some unexpected features. 2,188 words Added Feb 2019 11k views 4.7 stars (24 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

Metatation by BRK Unexpectedly given the afternoon off, Connor goes exploring a botanical garden on a whim and discovers a secret meditation circle sharing some unusually potent weed. 2 parts 9,998 words Added Dec 2018 Updated 13 Apr 2019 8,085 views 4.7 stars (23 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Getting Taller•Selfcest•Cannabis

Milo’s big secret by BRK For small-town boy Milo the growth that came with puberty never ended. He kept growing and growing, especially in a certain area, and now at 19 he’s sure he’s too much of a freak to know any love but his own. What he hasn’t reckoned on is Jeremy, a take-charge type so beautiful there’s no way Milo can hide his secret from him for long. 2 parts 5,841 words Added Jun 2022 15k views 4.7 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Complete •M/M

Omega cursed: An alpha touch side story by Caliburn Best friends Ryan and Sam finally get to enjoy a much-anticipated camping trip. However, Sam has being acting odd ever since they crossed paths with that man in the gas station. Maybe the weird tattoo that suddenly appeared on Sam’s buttcheek has something to do with it. 8,604 words Added Jun 2022 13k views 4.7 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Addiction•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Foot Growth•Getting Handsomer•Gradual Change•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Nonconsensual sex•Hyper Pheromones•Infectious •M/M

Changes in Bigby Heights by NBCK99 Alex Stevens has always been shy, being the only boytaur in Bigby Heights, but Jesse helps bring him out of his shell. But after their first encounter, reality seems to shift. 3 parts 5,173 words Added Jun 2010 Updated 26 Sep 2010 25k views 4.7 stars (22 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Getting Taller•Retcon•Infectious •M/M•M/M/M

The cum fairy by brazboy There are many mysteries under the sun, most of which will never be resolved—but a few can. Why do men always wake up hard? Why do they usually stop having wet dreams after a certain age? Why do some men snore, and others seem to drool in their sleep? The answer to all these questions is the cum fairy, a magical being which steals your nightly orgasms and gives you a small reward in exchange. 12 parts 35k words Added Nov 2022 Updated 17 Dec 2022 15k views 4.7 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Getting Taller•Plausible Size Difference•Size Increase•Incest•Brothers•Supernatural•Flying•Invisibility•Complete •M/M

Doctor’s orders by Luke B. When Andrew has to see a doctor after pulling a groin muscle, he can’t help but notice the physician’s immense equipment—and the doctor can’t help but notice Andrew’s interest. 4,569 words Added Jun 2005 34k views 4.7 stars (22 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

The escape by hyperboi Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all... 3,492 words Added Dec 2014 27k views 4.7 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Nonconsensual change•Aliens

The Porter Men by Inclytos The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right? 3 parts 8,809 words Added Oct 2022 Updated 5 Nov 2022 13k views 4.7 stars (22 votes) •Cock Growth•Cock Shrinking•Huge Cock•Dom to Sub•Getting Dumber•Pec Fucking•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Increased Libido•Retcon•Incest•Brothers•Father/Son•Twins•Dom/Sub•Sex-Slave •M/M•t/t•M/t

The awakening by Johnny M Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. 10 parts 25k words Added Jul 2012 64k views 4.7 stars (21 votes) •Hyper Cum•Nipple Emissions•Muscle Breast•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M•M/M/M/...

Doubling device by Musclesaber Max is in for a surprise when Luke gets ahold of a device that can double anything about a person. 2 parts 5,481 words Added May 2022 15k views 4.7 stars (21 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Growth•Public Nudity•Butt Growth•Getting Taller•Giants•Size Increase •M/M

Growing boys at UMich by iciss Those football jocks in the UMIch gym are about to get a whole lot hotter. 4 parts 7,144 words Added Jan 2007 42k views 4.7 stars (21 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•Infectious •M/M

I need to borrow your cock by BRK Joey promised a really hot guy he could suck both his dicks. Only he just has the one, so he really needs to borrow his roommate’s. Don’t worry, he’ll return it. 4 parts 15k words Added Jun 2012 Updated 8 Feb 2020 32k views 4.7 stars (21 votes) •Cock Growth•Huge Cock•Self-suck•Multicock•Detachable•Retcon•Suggestion•Complete

Lockdown gym by BRK When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. 3,110 words Added Apr 2021 14k views 4.7 stars (21 votes) •Always Hard•Cock Growth•Huge Cock•Replication•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Getting Handsomer•Gradual Change•Getting Taller•Age Difference•Incest•Brothers•Twins•Selfcest•Complete•Set during the Pandemic •M/M•M/M/M/...

The pills by LordTronimator An 18-year-old college student, Thomas, orders some pills online that promise to help him with his small problem. When they don't work fast enough for him, he decides to down the whole bottle—and gets more than he bargained for. 12 parts 16k words Added Apr 2020 Updated 16 May 2020 24k views 4.7 stars (21 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Public Orgasm•Public Nudity•Increased Libido•Nonconsensual change•Restraints•Horror •t/t

Plus one by Double-U I thought getting a new suite mate would be nothing but bad news. But that was before I learned he was a hot, muscular stud. 6,632 words Added Aug 2016 17k views 4.7 stars (21 votes) •Muscle Growth•Muscle/Strength•Transformation•Size Increase•St. Patrick’s Day

The power of bondage by Writ Bro A curious sub encounters a strict BDSM master who sees a lot of potential in the young man’s currently ordinary appearance. 9 parts 16k words Added Aug 2016 Updated 9 Mar 2018 34k views 4.7 stars (21 votes) •Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Humiliation•Restraints•Sex-Slave •M/M

Red pills by MaxMorphs A struggling college student and part-time stripper is introduced to Red Pills, which are supposed to be the one dick-growth pills that actually work. He’s skeptical—at first. (Chapters 1-7 revised as of summer 2019.) 19 parts 54k words (#65) Added Jan 2017 Updated 27 Mar 2021 60k views 4.7 stars (21 votes) •Cock Growth•Huge Cock•Hyper Cock•Addiction•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy •M/M•M/M/M

Genetic giants by Tex Justin His first time at the school gym Tex encounters Tobi, who’s cute and sweet and just happens to be a couple feet taller than him. 3,314 words Added Mar 2015 17k views 4.7 stars (20 votes) •Getting Taller •M/M

Lazarus by muscl4life A rogue bio-engineer discovers a way to infuse young men with the strength of the sun. 3 parts 22k words Added Apr 2018 22k views 4.7 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Giants•Plausible Size Difference•Size Increase •M/M

Patient zero by SomeMuscleGuy After exploring a crashed meteorite, Tim and Kyle are left growing uncontrollably. The hornier they get, the larger they grow. But what happens when growth itself makes them horny? 3 parts 13k words Added Nov 2022 Updated 3 Dec 2022 27k views 4.7 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Public Orgasm•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Public Nudity•Butt Growth•Increased Libido•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Plausible Size Difference•Size Increase•Nonconsensual change•Infectious•Complete •M/M

Enhancement program by BRK The university’s program of offering body enhancement rewards for various kinds of scholastic and athletic achievements is very generous, and students like to have fun with the results. 4 parts 12k words Added Jan 2014 Updated 29 Jun 2018 46k views 4.7 stars (19 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Multihead•Multilimb•Multipec•Mouthcock •M/M•M/M/M•M/M/M/...

Little bro by Ziel Hunky big bro Liam has always teased his puny kid brother Connell. But after his accident, Connell got some experimental treatments that are guaranteed to change who calls who the “little bro” from now on. 5,382 words Added Apr 2017 46k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

Mass X by Max Mann Five short stories of men getting bigger and sexier, through the use of “Mass X”. 5 parts 19k words Added Feb 2005 48k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Christmas•New Year’s Eve •M/M

Shadow and flame by BRK As a jinn, I am used to being in control, master not only of all the elemental powers of the earth but of my own fate as well. And I was—until the night I was tricked and ensnared by an ambitious young nobleman too beautiful for even me to resist. 7 parts 24k words Added Apr 2018 Updated 22 Feb 2020 15k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Djin/Jinn/Genie•Pagan gods•Supernatural•Ancient Era•Early/Mid 20th Century •M/M

The band by BRK Eager to improve his personal appearance for the sake of the band he’s fronting, Ryan finds a solution that involves dramatically changing how he looks. Now he just has to keep the weird parts of it secret from his friends and roommate. 2 parts 7,461 words Added May 2002 22k views 4.7 stars (18 votes) •Huge Cock•Hyper Cock•Multiarm•Multilimb•Replication•Muscle Growth•Plausible Size Difference•Size Increase•Suggestion•Selfcest•Complete •M/M•M/M/M

The electro-stimulation belt by Azerreza When his friend Josh bought an electro-stimulation belt, Kyle laughed at him, but when Josh started to gain weight abnormally fast, he began to doubt his own disbelief. 3 parts 11k words Added Mar 2022 Updated 26 Mar 2022 17k views 4.7 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Taller•Destruction/Violence•Dom/Sub •M/M

Just a little bigger by Dream Big Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. 15 parts 31k words Added Dec 2019 Updated 7 Mar 2020 34k views 4.7 stars (18 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Increased Libido•Breast Expansion•Gradual Change•Transformation•Getting Taller•Bisexual•Hetero Sex •M/M•M/F•M/M/F

Skeeter’s cleaners by Ziel Journalism majors and best buds, Trey and Davis decide to do an expose on the new cum cleaning business. Little did they know they’d be making the news themselves. 9,753 words Added Mar 2015 20k views 4.7 stars (18 votes) •Cock Growth•Hyper Cock•Hyper Cum•Giants•Size Increase

Breaking big by Ziel Tim had the bright idea to craft a special serum that would boost the size of his painfully average dick in order to show off and hopefully woo one or both of his crushes, and it worked! Oh boy, did it work, but things take a turn for the extreme when Tim’s growth reaches extremes he’d never dreamed of, and then there’s the issue of Tim’s two crushes... 7,492 words Added Jan 2016 27k views 4.7 stars (17 votes) •Cock Growth•Cockfucking•Huge Balls•Hyper Cock•Hyper Cum•Immobility

Containment breach by SomeMuscleGuy After Kalos experiences a suit malfunction while working with a Radioactive Material at work, he is left growing at a quickening rate to sizes that nobody ever thought was possible, and its contaminated effects are spreading too fast to be stopped. 11k words Added Mar 2023 17k views 4.7 stars (17 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Cum Milking•Always Cumming•Hyper Cum•Nipple Emissions•Public Orgasm•Extra digits•Multi-abs•Multiarm•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Gut•Muscle Worship•Public Nudity•Butt Growth•Belly Growth•Increased Libido•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Rubber/Latex•Infectious•Complete •M

New normal by brazboy Pedro is a Brazilian university student who returned to live with his roommates after one and a half years living with his family during the pandemics, but everything is not the same. His roommates Carlos and Henrique will not tell him what exactly has changed, wanting him to see it with his own two eyes. 5,662 words Added Jun 2021 13k views 4.7 stars (17 votes) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase•Infectious•Set during the Pandemic •M/M•M/M/M

Reality redefined by NBCK99 Austin doesn’t know why it happens. He just knows that every month or two, he wakes up to a new, sexy alternate reality. 3 parts 9,694 words Added May 2023 Updated 12 Aug 2023 6,901 views 4.7 stars (17 votes) •Always Hard•Cut to Uncut•Cockless•Huge Cock•Multicock•Replication•Always Shirtless•Public Nudity•Detachable•Transformation•Size Decrease•Retcon•Complete •M/M•M/M/M

Tit hype by Writ Bro Between jobs? How about £5000 in three weeks to take part in medical trials? Who knows, you might even like the side effects. 19 parts 87k words (#29) Added Sep 2020 Updated 3 Dec 2022 38k views 4.7 stars (17 votes) •Cock Growth•Huge Cock•Nipple Emissions•Muscle Breast•Muscle Growth•Dom/Sub•Nonconsensual change•Restraints•Sex-Slave•Dildos/Toys•Complete •M/M•M/M/M

X-mass by Ziel With illustrations by Seraphiel. Clive thinks he’s in for a long, lonely Christmas break. It seems everyone else has left town to spend the holidays with their family, and he’s stuck hanging out with his roommate who he barely even knows! But a mysterious gift shows up and changes everything. This is one gift that definitely keeps giving! 8,466 words Added Dec 2019 29k views 4.7 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase•Christmas•Stories with Images •M/M

But I will do anything by WordShop Twenty-two-year-old Carlos is handsome, charming, and a great looker, but with self-doubts over a lithe lean body when he always wanted muscle. So he places an ad in a personals column looking for the trainer who could mold him. Be careful what you wish for… 3 parts 8,532 words Added Sep 2017 Updated 8 Dec 2017 26k views 4.7 stars (16 votes) •Cock Growth•Huge Balls•Hyper Cock•Immobility•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy

Jim’s shot by FanTCMan Jim isn’t sure he wants to get any bigger—he’s already so muscled and so hung he attracts too much attention. But his doctor knows best. And once the shot’s in him, Jim knows being strong and hung is the only way to be. 2 parts 3,437 words Added Dec 2002 36k views 4.7 stars (16 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Nonconsensual change•All Dialog

Please don’t grow, son! by LAComplex You think your children are hell? Wait until you discover the struggle of Andrew’s parents, who have to manage a 50-foot giant on a daily basis. 4,161 words Added Mar 2019 13k views 4.7 stars (16 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase •M

Big little rich boy by Richard Jasper Sometimes family drama makes you realize what matters—and who. 8 parts 7,077 words Added May 2003 Updated 22 Feb 2020 32k views 4.7 stars (15 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

Cock medication by Jocktaur Kyle 2,097 words Added Jun 2006 45k views 4.7 stars (15 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck

I think, therefore I am by LeatherGryphon Lance’s telepathic DNA-rewriting equipment opens up incredible new possibilities, but he and Dale need to test it patiently. Only, who could be that patient? 6 parts 12k words Added Jul 2014 19k views 4.7 stars (15 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Tongue Growth •M/M

The jock bully by JayPat The once small and skinny Josh is now huge—nearly seven feet of muscle and power. But the guy he’s crushing on isn’t out, so Josh tries intimidation to get Rob to confront what he wants. Meanwhile, Josh’s brother also wants to get huge, and there’s a guy on his mind, too. 2 parts 13k words Added Jun 2019 Updated 13 Jul 2019 19k views 4.7 stars (15 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Destruction/Violence•Dom/Sub •M/M

Walker by BRK When you have a student who’s cursed with being irresistibly sexy and literally can’t wear shirts (because they evaporate off of him), you should probably just ignore him. Assuming that’s possible. Which? It isn’t. 2,831 words Added Nov 2013 17k views 4.7 stars (15 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Always Shirtless•Complete •M/M•M/M/M

Wrap your arms around me by NBCK99 Bruce loves being touched so much that his lover’s hands just aren’t quite enough—until they meet a cocky stranger named Jackson. 3,961 words Added Oct 2014 11k views 4.7 stars (15 votes) •Huge Cock•Multiarm•Multilimb•Multipec•Replication•Stacking•Selfcest •M/M•M/M/M

Alpha by CharitysSongbird Used to being smaller than his office mates, especially his crush Tavy, Ritzy is stunned when he suddenly starts getting bigger and furrier, even as the impulse to dominate seeps into his personality. 14k words Added Aug 2018 47k views 4.7 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Size Increase•Dom/Sub•Anthro/Furry•Werewolves •M/M

Carolina cock by Max Mann A paean to two of North Carolina's most famous sports stars. 2,779 words Added Nov 2003 32k views 4.7 stars (14 votes) •Cock Growth•Cock Pumping•Huge Balls•Huge Cock•Hyper Cock

Daddy’s little boy by TonnyGiant Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. 2 parts 4,961 words Added Sep 2018 Updated 11 May 2019 34k views 4.7 stars (14 votes) •Huge Cock•Muscle Gut•Muscle/Strength•Plausible Size Difference•Age Difference•Incest•Father/Son•Dom/Sub •M/M

Johnny Pecs by BRK Unexpectedly inheriting part of an island estate off the coast of Maine, Kent travels there to assess his options. On arriving in Glen Rush, he meets the young caretaker—a handsome stunner who’s acquired, with some justification, the nickname “Johnny Pecs”. 2 parts 7,175 words Added Sep 2017 16k views 4.7 stars (14 votes) •Cock Growth•Huge Cock•Muscle/Strength•Transformation

Lucas gets everything he wanted, and more by Joven Lucas steals some of his researcher friend’s enhancement drug, and is elated when David decides to let him keep taking it once he turns 18. 8 parts 11k words Added Jan 2019 Updated 26 Jan 2019 17k views 4.7 stars (14 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock •M/t

New feature on COCKR by Clearlyhere Greg and Alex have been dating for a while. Greg has really pushed Alex in his sexual repertoire. Neither had imagined they’d ever go so far. 2 parts 4,293 words Added Dec 2023 Updated 30 Dec 2023 3,221 views 4.7 stars (14 votes) •Cock Growth•Cock Shrinking•Cockless•Ball Growth•Huge Cock•Hermaphrodite•Gender Swap•Dom to Sub•Plausible Size Difference•Dom/Sub•Restraints •M/M•M/F

Read carefully by Aphon Justin curses himself thanks to an old book, and his roommate is quick to take advantage of the opportunity—whether Justin likes it or not. 2,120 words Added Jun 2019 13k views 4.7 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nonconsensual change •M/M

Writing Will by tinyjames A young writer afraid his glory days are already behind him meets a well-muscled muse. 2,792 words Added Nov 2022 3,855 views 4.7 stars (14 votes) •Muscle Growth•Muscle/Strength•Size Increase •M/M

Ah! my god by Josh Arima A short and much less awkward alternative story inspired by the manga/anime Oh My Goddess. 4,325 words Added Jun 2005 34k views 4.7 stars (13 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Transformation•Inflation•Selfcest

Club at the crossroads by Greggrth A night out for two friends turns out to offer some fun changes, as long as you follow the rules. 8,684 words Added Jan 2023 7,563 views 4.7 stars (13 votes) •Cock Growth•Cum inflation•Immobility•Muscle Growth•Voice Deepening•Giants•Size Increase•Inflation•Fantasy Realm •M/M

Drunk on cum by Musclesaber Commission for an anonymous twitter user. After finding a magic spell to make his balls grow bigger, Afonso wants to test out his new equipment on his boyfriend Gus, only to find there might be a few side effects that they didn’t expect. 4,358 words Added Oct 2023 9,815 views 4.7 stars (13 votes) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Stretchy•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase •M/M

Full potential by muscl4life and Redkage Coach Tanner hears about a young man named Corey who can lift more than is humanly possible. Fascinated, he tracks Corey down—only to discover he’s the last person he would have guessed. 2 parts 11k words Added Mar 2016 21k views 4.7 stars (13 votes) •Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Size Increase •M/t•NS

Henry’s special talent by HardStallion Henry has a magical ability to make things grow, and he suddenly realizes it would be a shame if his garden were the only thing benefitting from it. 3,383 words Added May 2014 17k views 4.7 stars (13 votes) •Cock Growth•Huge Cock•Self-suck

The Order by screamingmoist A young man learns that the strange group his friend has joined might not be so bad after all. 3 parts 17k words Added Dec 2022 Updated 15 Apr 2023 12k views 4.7 stars (13 votes) •Cock Growth•Muscle Growth•Man Scent•Belly Growth•Transformation•Hair Growth/Getting Hairy•Supernatural•Complete•Tobacco •M/M

The permanent cuddle by Cail Smith An unfortunate victim of the Merge Wave tells his story.  1,306 words Added Apr 2023 2,227 views 4.7 stars (13 votes) •Multicock•Bisexual•Nonconsensual change•Merging•Shared Body•Complete •M/M•M/F

The quest for size by Musclesaber Daladon is on his way home from one of the worst days he’s ever had when he stumbles upon a cart vendor with potions, clothes, and other goods. Daladon is in for a surprise when he sees what some of these goods are capable of. 3 parts 19k words Added Sep 2023 Updated 27 Jan 2024 12k views 4.7 stars (13 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Pointy Ears•Butt Growth•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Getting Fatter•Inflation•Anthro/Furry•Dragons•Orcs•Fantasy Realm•Medieval(ish) •M/M/M/...

Tyler and his new body by Daenotis Tyler wanted to become one of the biggest muscle gym rats in the club and he took it a little too far with the magical protein powder from the sketchy jock influencer. 2,060 words Added May 2020 8,057 views 4.7 stars (13 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Detachable•Getting Taller•Size Increase

The Bridge by Stumpjumper A safety technician is exposed to an artificial intelligence that rebuilds him and his best friend in ways they can't imagine. A decade later, the repercussions are still unfolding. 5,446 words Added Jun 2019 15k views 4.7 stars (12 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Transformation•Hair Growth/Getting Hairy•A.I.-Controlled Change •M/M

Honorato Jerga and the Incan relics by brazboy Honorato Jerga, the famous historian and archeologist, is given clues about the location of Eldorado, which might be where a powerful ancient relic lies—one whose masculine powers had been desired by many for ages. He takes his trusted student, Horacio, to follow him as he meets enemies and old friends deep in the Peruvian jungle. 5 parts 19k words Added Sep 2023 Updated 16 Sep 2023 5,214 views 4.7 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Multicock•Multiarm•Multilimb•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Getting Taller•Giants•Plausible Size Difference•Size Increase•Destruction/Violence•Nonconsensual sex•Complete •M/M

Tongue by Saviris Ryan inexplicably starts growing inches of cock, and not just in the usual place. 2 parts 3,172 words Added May 2014 13k views 4.7 stars (12 votes) •Cock Growth•Huge Cock•Mouthcock

Weho adventure by FanTCMan The only thing hotter than seeing the amazing bodybuilder Steve Reilly was the possibility of catching his eye. 11k words Added Feb 2003 16k views 4.7 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Size Increase•Hair Growth/Getting Hairy

Alpha Luke releases the beast by Eric Aaldersen Luke thinks back to his first sexual encounter with a beta—in the back of a school bus! 4,905 words Added May 2020 11k views 4.7 stars (11 votes) •Huge Cock•Hyper Cum•Hyper Strength•Muscle/Strength•First Time/Virgin•Hyper Pheromones•Supernatural •t/t

Another nerd story by Sithspawn Ollie is your typical nerd who asks his neighbour for help dealing with the local bully. Tom offers some advice that leads to an encounter he'll never forget. 2 parts 9,072 words Added Apr 2020 Updated 16 May 2020 19k views 4.7 stars (11 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Nanotech •M/M

Hocus growcus by Jonathan Banner What at first seems to be an innocuous Grindr hookup quickly turns into an otherworldly experience highlighted by unbelievable growth. 4,622 words Added Jul 2022 6,416 views 4.7 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Supernatural •M/M

Needed by BRK Vince's inherited family gift causes unexpected things to start happening to people close to him once he hits his mid-twenties, and it's already started to affect Vince's friend Tony. 4,301 words Added Aug 2017 8,997 views 4.7 stars (11 votes) •Cock Growth•Huge Cock•Multiarm•Multilimb•Muscle/Strength •M/M

Pool party by FanTCMan Two young men are nervous but excited. They’re about to show off their muscle transformation in front of all the guys at the pool! 1,575 words Added Dec 2002 21k views 4.7 stars (11 votes) •Muscle Growth•Muscle/Strength•Getting Handsomer•Age Difference•Incest•Father/Son •M/M/M/...•t/t•M/t

The red gem by MainAttraction Dan has a red gem that he knows he can use to change himself—and he decides he won’t hold back. 5,579 words Added Dec 2022 9,262 views 4.7 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase •M/M

Adam’s fury by Chronologious Adam is sick and tired of being harassed and bullied at school and reaches his breaking point. Nobody is ever going to mess with him again. 6 parts 16k words Added Apr 2021 Updated 23 Apr 2022 24k views 4.7 stars (10 votes) •Muscle Growth•Muscle/Strength•Giants•Size Increase•Destruction/Violence •M•M/M•M/M/M

Bet you can’t have just one by Ziel Vincent was given pretty clear instructions with the new growth supplement his pal invented: “Only take one pill.” 5,605 words Added May 2017 35k views 4.7 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase

Changeday by MaxMorphs Now that all of the changes to your body take place all at once on the same day every year, Andrew and his two college buddies are doing everything they can to make their Changedays as dramatic as possible. 5,212 words Added May 2020 16k views 4.7 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Belly Growth•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Getting Fatter •M/M•M/M/M

A fine bromance by Richard Jasper Once Roger finds a young straight boy lifting buddy, the growth (muscles and cock) really takes off—for both of them! 3 parts 6,603 words Added Jan 2020 12k views 4.7 stars (10 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy •M/M

The four jocks: Knights of the Round Table by BRK Disguised as a young knight, Merlin accompanies Arthur, Lancelot, and Gawain on a minor quest. Sheltering from bad weather in an abandoned castle leads them to a night of danger, transformations, and new connections. 5 parts 19k words Added Feb 2019 9,459 views 4.7 stars (10 votes) •Cock Growth•Huge Cock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Werewolves•Witch/Warlock/Wizard•Complete •M/M

A genie’s decision by Primed for Release After accidentally wasting a genie’s first wish, Alex takes his now-naked friend Dale’s advice and decides to make a potentially risky second attempt. 2,221 words Added Mar 2022 8,632 views 4.7 stars (10 votes) •Hyper Cock•Hyper Cum•Muscle Gut•Muscle/Strength•Public Nudity•Getting Handsomer•Transformation•Voice Deepening•Size Increase•Tongue Growth•Djin/Jinn/Genie •M/M•M/M/M

Jackpot by Max Mann Winning the jackpot means something different at this resort hotel where all the guests and staff start to transform before Tracy’s eyes into impossibly sculpted and phenomenally hung dream men. 3,913 words Added Feb 2009 28k views 4.7 stars (10 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Size Increase •M/M•M/M/M

Moon of masculinity by WhiteShadow The moon... always shining down from above during the darkest of nights. Some say it has powers of its own, while others claim that it is just a catalyst of some other natural order. I wonder what Anthony would say. 2,498 words Added Jan 2017 17k views 4.7 stars (10 votes) •Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy •M/M

The shape of things to come by Mykkhal The growing intimacy between Tom and Harry is disrupted by the revelation that Harry isn’t who—or what—he appears to be. 13 parts 32k words Added Mar 2003 18k views 4.7 stars (10 votes) •Transformation•Aliens•Goo People•Space Travel•Shapeshifting•Set in the Future •M/M

The suitcase by J Reynolds James comes into possession of a magical suitcase that allows a person to change their appearance using a simple photograph. 4 parts 14k words Added Jul 2006 27k views 4.7 stars (10 votes) •Gay to Straight•Other Mental Changes•Straight to Gay•Body Swap•Stories with Images •M/M

Tales of Summerstone by TF_Mage A trapped ancient spirit with a fondness for transforming young men recalls the old days as he seeks a way of escaping his prison. 4 parts 7,837 words Added Oct 2023 Updated 11 Nov 2023 5,826 views 4.7 stars (10 votes) •Cock Growth•Cock Shrinking•Cock Theft•Cock to Human•Human to Cock•Public Orgasm•Multicock•Multihead•Replication•Hyper Muscle•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Detachable•Getting Taller•Forced Growth•Size Decrease•Size Increase•Age Regression•Human to Animal/Anthro•Human to Body Part•Merging•Witch/Warlock/Wizard•Hypnosis•Flying•Invisibility •t•M/M•M/M/M/...•t/t

The unclothed man by Mask Any man that spends too much time alone with our protagonist ends up having their articles of clothing disappear. Forever. What happens when the new neighbor across the hall moves in on Christmas Eve all alone? 3 parts 9,410 words Added Dec 2023 1,636 views 4.7 stars (10 votes) •Straight to Gay•Always Shirtless•Public Nudity•Retcon•Christmas•Complete •M/M

The cock bois by CockTFBoi When Colin gets a text from a blocked number he is drawn into an adventure to uncover a conspiracy and find his boyfriend. 7 parts 21k words Added Mar 2021 Updated 9 Oct 2021 14k views 4.7 stars (9 votes) •Cock Shrinking•Cockless•Human to Cock•Hyper Cum•Transformation•Size Decrease•Size Increase •M/M•M/M/M

The dorm revised by RdyRoger New roommates Alex and Anthony meet and discover a shared love of muscle and a connection that has a profound affect on them both. 4 parts 18k words Added Feb 2011 30k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M

Exotica by Hidevidence A collection of short stories set in various fantastical worlds specifically designed to facilitate incredible, absurd sexual pleasure between men.  2 parts 3,474 words Added Nov 2022 Updated 31 Dec 2022 7,565 views 4.7 stars (9 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Prehensile Cock•Always Cumming•Hyper Cum•Multicock•Replication•Other Mental Changes•Transformation•Retcon•Selfcest•Hyper Anus •M/M/M/...

Figurines: The next generation by squatch A new subject is gifted the incredible bracelets, only to find unexpected changes. 1,679 words Added May 2023 5,536 views 4.7 stars (9 votes) •Cock Growth•Muscle Growth•Foot Growth•Getting Handsomer•Transformation•Getting Taller•Plausible Size Difference•Nonconsensual change•Body Swap •M/F

The good genie by brazboy Alex is an endless, unlimited and unbound genie—one of the good ones, too! What will happen when someone finds out the lamp inside which he’s taking a long, long nap…? 3 parts 13k words Added Jul 2023 6,438 views 4.7 stars (9 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Hyper Cum•Extra digits•Multi-abs•Multi-balls•Multicock•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Multipec•Multitorso•Replication•Stacking•Hyper Muscle•Muscle Growth•Transformation•Plausible Size Difference•Size Increase•Hyper Tongue•Retcon•Djin/Jinn/Genie•Flying•Complete •M/M•M/M/M

Hic sunt dracones by Tym Greene A college student finds out that his former professor (and current boyfriend) has a bit of a secret. Turns out the student has a secret too, one that will likely spell change for the whole campus. 2 parts 15k words Added Jan 2021 Updated 23 Jan 2021 7,757 views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Human to Animal/Anthro•Age Difference•Anthro/Scaly•Dragons

It could happen to you by Josef Howard The author is singled out by his fans to try a bootleg muscle growth serum. Is it fiction or fact? Could it happen to you? 3,947 words Added Jan 2003 17k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Nonconsensual change•Nonconsensual sex •M/M

Just take one by LoverBoy Andy is a brilliant, young academic who wishes to make his physical appearance match his intellectual acumen. But when he uses an “experimental” supplement from a dubious source, he may get more than he bargains for! 3,234 words Added Jan 2018 17k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M

Late bloomer by Jay Emm Paul and Chet are trying to sort out the changes brought about by the growth gem, when a stranger appears to tell them about new and unexpected possibilities. 2 parts 5,900 words Added May 2014 Updated 25 Jul 2014 25k views 4.7 stars (9 votes) •Huge Cock•Muscle Growth•Muscle/Strength

The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts 7,238 words Added Apr 2012 42k views 4.7 stars (9 votes) •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Decrease•Size Increase•Race/Ethnicity Change•Suggestion•Incest•Brothers•Dom/Sub

Magic the Growthering by spacevlad Joe goes to a Magic: The Gathering draft at his local LGS and encounters Red, a big ex-football jock whose cards have a big effect on Red when he plays them! 4,646 words Added Mar 2022 7,677 views 4.7 stars (9 votes) •Muscle Growth•Muscle Gut•Man Scent•Plausible Size Difference•Size Increase•Retcon •M/M

OnlyFans blow up by UberPump A young novice of an influencer begins his first live stream service on OnlyFans. He’s discovered a fantastic cum enhancer that causes his testicles to produce tons of sperm and wants to share this with his small fanbase. In his mistake, he forgets the “Only take One” warning on the bottle. His balls begin pumping out cum in such quantities he can’t seem to orgasm fast enough... 1,720 words Added Sep 2022 6,734 views 4.7 stars (9 votes) •Huge Balls•Ball Growth•Hyper Cum •M/M

The perfect cosplay by Bigmanfan A slim nerd decides to get huge after some mean comments on his cosplay. 5,425 words Added Jun 2021 8,372 views 4.7 stars (9 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Superhero/Supervillain

Pham, or how sex got really bizarre by Locky Svein encounters 5’4” Pham on his trip to Hanoi. But before you think “good things come in small packages”, you’d better read the rest of the story. 1,807 words Added Oct 2009 14k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Foot Growth•Getting Taller•Size Increase •M/M

Ramón the developer by BRK Ramón is used to having lusty, eyes-only encounters with the hot and hunky guys in his office, but today everything seems so much more intense, and a little eye-fucking isn’t going to be enough. 4,544 words Added Aug 2018 11k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Multiarm•Multilimb•Multipec•Replication•Stacking•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Selfcest •M/M•M/M/M

Spunk and brimstone by BRK Ty is fed up and needs things to change. Then his coworker, Derek, tells him about the little game box on his bookshelf that changed his life… 6,263 words Added Aug 2022 8,289 views 4.7 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Butt Growth•Getting Handsomer•Transformation•Voice Deepening•Tongue Growth•Demons•Incubus/Succubus•Supernatural•Complete •M/M

Stage fright by peace-man Tom is a hot gay actor who decides to try some temporary dick growth pills he’d gotten online. Of course they don’t work—that is, until the moment they suddenly activate at exactly the wrong moment. 5 parts 5,083 words Added Sep 2015 14k views 4.7 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Public Nudity •M/M

Stop staring at me by BRK Those glasses with the funny settings on the side are a lot of fun and very addicting. 1,991 words Added Jul 2006 42k views 4.7 stars (9 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cum•Extra digits•Multicock•Multipec•Muscle Growth•Muscle/Strength•Transformation•Size Increase

This town’s not big enough by Ziel Steven is back in his hometown—a small, rural community—after spending a semester at college. Now that he’s had a taste of the big city, his old home just doesn't feel big enough for him. Little does he know how true that sentiment will become. 4,228 words Added Feb 2017 21k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Giants•Size Increase

Toby by TreborNawoc Toby’s latest culinary creation is a failure—it has to be eaten all at once, but it’s too big to fit in any ordinary mouth. Fortunately, his buddy Xander has a few friends capable of enjoying his special mouthful. 4,568 words Added Oct 2023 1,291 views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Extra Mouths•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Transformation•Tongue Growth •M/M

Vacation by muscle.growth Just a simple vacation sleepover with Matt, Alan, and Alan’s dad working on something weird in his basement lab. 1,860 words Added Feb 2009 22k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Father/Son

The wishing machine by Anonymous You gotta watch out for those cheap bar wishing machines. 2,151 words Added Oct 2005 16k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Handsomer •M•NS

Young Buck by Proteus Buck’s admiration for the size and beauty of the gym’s hottest, most arrogant stud, Nate, will be all the greater when he possesses those qualities for himself. 1,375 words Added Feb 2022 13k views 4.7 stars (9 votes) •Cock Growth•Cock Shrinking•Cock Theft•Muscle Growth•Muscle Theft•Muscle/Strength•Size Decrease•Size Increase•Age Progression•Age Regression•Dom/Sub•Nonconsensual change•Metabods 25 •M/M

And let your arrow go by screamingmoist A young man gets more attention from Cupid than he ever wanted. 5,327 words Added Feb 2022 8,477 views 4.7 stars (7 votes) •Cock Shrinking•Straight to Gay•Muscle Theft•Transformation•Pagan gods•Valentine’s Day •M/M

The blue reception by BRK Miserable and alone at his cousin’s high-society wedding reception, Christopher unknowing partakes of a blue-banana fruit salad he mistakes for haute cuisine—right before he starts talking up his hunky, successful, and totally nonexistent boyfriend. 4,701 words Added Mar 2023 6,079 views 4.7 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Muscle Growth•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Tongue Growth•Immortality•Complete •M/M

The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts 3,678 words Added Jan 2006 16k views 4.7 stars (7 votes) •Replication•Incest•Twins•Selfcest•Bisexual •M/M

Christmas gains by pkak2k12 A simple rhyming couplet story of Santa giving a good young man some big gains. 522 words Added Dec 2022 4,693 views 4.7 stars (7 votes) •Cock Growth•Muscle Growth•Getting Taller•Size Increase•Christmas•Complete •t•NS

Coffee date by BRK Jeremy gets dragged to a blind date at a coffeehouse that seems to have an inexplicable effect on Jeremy’s body. 2,014 words Added Aug 2020 6,292 views 4.7 stars (7 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Multihead•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitorso•Replication•Stacking•Retcon•Selfcest

Crotchhead town by Cockatrice When the only affordable roomshare he can find is in Crotchhead Town, Chris finds he’s more intrigued than he expected. 4,344 words Added Mar 2020 4,857 views 4.7 stars (7 votes) •Crotchhead•Transformation

The four bananas by BRK In this surprise crossover of the “Four Jocks” and “Blue Banana” series, an underachieving young man and his three best friends get together for a night of dessert and games that will seriously change their lives. 4 parts 11k words Added Apr 2023 6,250 views 4.7 stars (7 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Hyper Cum•Multicock•Multiarm•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle Worship•Always Shirtless•Increased Libido•Hair Growth/Getting Hairy•Retcon•Suggestion•Selfcest•Superhero/Supervillain•Flying•Immortality•Shapeshifting•Complete •M•M/M/M/...

The four jocks: Horny teens by hyperboi 3 parts 7,484 words Added Apr 2014 35k views 4.7 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Multicock•Boytaur•Four Legs•Multiarm•Replication•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Selfcest

Genetics by joushy123 2,066 words Added Dec 2012 25k views 4.7 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength

Ghost by WBHunk A promising college football star loses his best friend in a car crash… temporarily. 2,483 words Added Jul 2002 16k views 4.7 stars (7 votes) •Muscle Growth•Muscle/Strength•Ghosts•Supernatural •M/M

I, Bro-bot by Cris Kane A formerly homophobic preppie describes how he came under the control of his computer geek roommate. 3,877 words Added Mar 2019 10k views 4.7 stars (7 votes) •Always Hard•Straight to Gay•Dom/Sub•Hypnosis•Mind Control •M/M

Jake by Also Known As In line at Starbuck’s, Tom falls for a mysterious hunk whose attractiveness immediately takes a hold of him. 2,891 words Added Nov 2002 17k views 4.7 stars (7 votes) •Huge Cock•Muscle/Strength •M/M

Musky morning by screamingmoist A young man who constantly laments that there aren’t enough “real men” gets more than he bargained for. 4,691 words Added Nov 2022 9,976 views 4.7 stars (7 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle Gut•Belly Growth•Transformation•Age Progression•Hair Growth/Getting Hairy•Retcon•Complete •M/M

The new alphas go camping by Eric Aaldersen New alphas Brian, Jamie, and Jordan all enjoy fireside fucks with their lead alpha, Luke, after Luke passes on the Lore. But not before Luke and Brian bond as alphas for the first time! 5,376 words Added May 2020 6,021 views 4.7 stars (7 votes) •Cock Growth•Cut to Uncut•Huge Balls•Muscle/Strength•Gradual Change•Supernatural

Nico’s Beef Co: The first convert - Marco by Nico Beef After relocating his “beef” company, a mysterious man contacts Marco, a 29-year old who’d just lost his job and has nothing else to do. Entering the strange new headquarters, Marco doesn’t know he might not come out the same. 3,620 words Added Mar 2023 3,468 views 4.7 stars (7 votes) •Cum inflation•Other Mental Changes•Muscle Growth •M/M

The orange jewel by Charley Sometimes jewelry isn’t there just to look pretty. 2,220 words Added May 2014 13k views 4.7 stars (7 votes) •Cock Growth•Huge Cock

Rise of the new alpha by MoonlightSerenade A young man finds his entire life changed when he is attacked by a beast from the woods—and he is loving every second of it. 2 parts 3,062 words Added Mar 2023 Updated 27 May 2023 12k views 4.7 stars (7 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Voluptuous Men•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•Dom/Sub•Hyper Pheromones•Anthro/Furry•Werewolves •M/M

The Risktaker by BRK Cassidy is determined to prove his favorite superhero, the two-headed badass known as the Risktaker, can and should be made into a movie, even if he has to break into his animation studio after hours and do the rendering on the model prototype himself. 2,714 words Added Aug 2021 4,410 views 4.7 stars (7 votes) •Multihead•Replication•Muscle Growth•Getting Handsomer•Voice Deepening•Getting Taller•A.I.-Controlled Change•App•Selfcest•Superhero/Supervillain•Complete •M/M

SNU-5|VU by DracumSum Nathan and Nick have to complete a biochem project on the metahumans caused by the failed SNU-5 nanobot project—only they don’t know any, and the brief random encounter Nathan had at a bus stop the other day won’t help them. Or will it? 6,053 words Added Feb 2022 9,142 views 4.7 stars (7 votes) •Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Muscle•Muscle Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Hairless•Nanotech•Infectious•Set in the Future•Hyper Anus •M/M

Still bros, right? by Cockatrice Andy’s roommate wakes up to quite a surprise when he finds himself changed one day. Andy meanwhile wastes no time trying out his dick’s new best friend. 1,603 words Added Sep 2020 8,091 views 4.7 stars (7 votes) •Transformation•Human to Inanimate•Nonconsensual change

Tank by Corwin A star alpha male has to take back his gym from a bully, except the only way is to grow himself bigger than the already monstrous interloper. 8 parts 27k words Added May 2014 32k views 4.7 stars (7 votes) •Huge Cock•Muscle Growth•Muscle Theft•Muscle/Strength•Bisexual

That balloon by RdyRoger Using a magic balloon to blow yourself up bigger is great, but blowing up other people can be even more fun. 4 parts 10k words Added Jul 2019 Updated 24 Aug 2019 22k views 4.7 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Age Progression•Hair Growth/Getting Hairy •M/M

To wish for cock by CockTFBoi A chance encounter while hiking starts a series of events that will change Calvin and the world around him forever. 5 parts 14k words Added Dec 2020 Updated 27 Feb 2021 20k views 4.7 stars (7 votes) •Cock Growth•Cock Shrinking•Cock Theft•Cockless•Huge Cock•Straight to Gay•Transformation•Cock Cage•Dom/Sub•Witch/Warlock/Wizard•Set during the Pandemic •M/M

The yard by Now Voyager When Simon returns to the local leather bar to retrieve his wallet, he gets more than he bargained for. 4,689 words Added May 2017 11k views 4.7 stars (7 votes) •Transformation•Human to Animal/Anthro•Nonconsensual change•Anthro/Furry •M/M

The Alpha by Ziel Harrison’s chance encounter with the creature that has been stalking the campus changes him in ways he’d never thought possible. 4,118 words Added Dec 2017 27k views 4.7 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Human to Animal/Anthro•Hair Growth/Getting Hairy•Nonconsensual change•Anthro/Furry •M/M

Carlos Bunda and the billion-dollar dildo by brazboy Carlos Bunda is Brazil’s number 1 secret agent, and is about to embark on a tense mission: rescuing the last of the four billion-dollar dildos which were lost after the fall of the Soviet Union. The task to retrieve this invaluable weapon sends him to Paris where he encounters Julien Monet, a former member of the French communist party who wants the power of the dildo for himself, not to mention the “bears”—a trio of Russian assassins desperate to recover their national secret weapon. 2 parts 9,240 words Added Dec 2021 5,587 views 4.7 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Increased Libido•Getting Taller•Giants•Plausible Size Difference•Size Increase•Dildos/Toys •M/M•M/M/M

The collection by BRK Zach is surprised to get a Thanksgiving dinner invite from his reclusive great uncle Derek, but a trip to Maine with his friends sounds better than cooking. As it turns out, more awaits them in the strange old oceanside house than a few platefuls of turkey and cranberry sauce. 8 parts 16k words Added Nov 2022 Updated 28 Jan 2023 9,267 views 4.7 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multileg•Multilimb•Replication•Muscle Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Age Regression•Selfcest•Nonconsensual change•Supernatural•Thanksgiving •M/M

The four jocks book 2 by BRK The game has been passed on to a bunch of swim team hotties, who elect to play immersed in a hot tub. 2 parts 3,968 words Added Sep 2009 20k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Incest•Twins•Selfcest•Complete •M/M•M/M/M/...

The four jocks book 3 by BRK Once again the game leads to amazing transformations in Ted and his friends. If only they had any idea of what was happening to them. 2 parts 4,108 words Added Jun 2010 20k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Self-suck•Multicock•Replication•Muscle Growth•Muscle/Strength•Mouthcock•Retcon•Selfcest•Complete •M/M•M/M/M/...

Gentle touch by Josh Dugan Beautiful David is happy to shape-shift to order. 2,216 words Added Dec 1996 8,628 views 4.7 stars (6 votes) •All Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Shapeshifting

The great pumpkin by screamingmoist Four young vandals learn that it’s bad luck to destroy jack-o’-lanterns on Halloween. 8,028 words Added Oct 2021 7,456 views 4.7 stars (6 votes) •Public Orgasm•Getting Dumber•Other Mental Changes•Straight to Gay•Butt Growth•Increased Libido•Transformation•Size Decrease•Hairless•Nonconsensual change•Horror•Supernatural•Halloween •M/M/M/...

Helping a friend out by TC Travis, a local bodybuilder, has decided to help a man and his wife become pregnant. The only thing is, Travis has an ability that lets him help in his own, exceedingly alpha-male way. 1,154 words Added Feb 2021 9,666 views 4.7 stars (6 votes) •Human to Cock•Human to Body Part•Hetero Sex•Humiliation•Nonconsensual change•Absorption•Merging

Hog nog by Bulklore A young personal trainer named Todd is invited to the annual holiday party for the gym’s staff and clients, but quickly his discipline is tested as cups of infamous ‘hog nog’ are passed around during a party game. 5,400 words Added Jan 2024 2,757 views 4.7 stars (6 votes) •Belly Growth•Feeding•Forced Growth•Getting Fatter•Christmas •M/M

HunkTech heist by YellowJester A savvy, ragtag group plans a heist of HunkTech’s extremely secure facility. What they are after isn’t money.  2 parts 10k words Added Dec 2023 Updated 16 Dec 2023 5,744 views 4.7 stars (6 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle Theft•Butt Growth•Getting Handsomer•Transformation•Getting Taller•Hairless•Mind Control •M/M

MooMilk by Meddler Incs The secrets of the newest workout supplement are about to be revealed. 1,760 words Added Aug 2020 8,965 views 4.7 stars (6 votes) •Nipple Emissions•Muscle Breast•Muscle/Strength•Aliens•Anthro/Furry

Multilimb studies by Josh Dugan For reasons of his own, Jeff gets Mark to take a class with him. 10 parts 9,444 words Added Feb 2020 Updated 30 May 2020 4,408 views 4.7 stars (6 votes) •Multicock•Multiarm•Multileg•Multilimb•Getting Taller •M/M

One and the same by EdIam Six very different students are chosen by their professor to take part in an experiment. 7 parts 16k words Added May 2021 Updated 22 May 2021 7,421 views 4.7 stars (6 votes) •Straight to Gay•Nonconsensual change•Horror•Mind Control •M/M•M/M/M/...

Recast by BRK When an actor complains that a certain A-list movie star is all wrong for a role, producer Jack has the perfect solution. Instead of finding someone else for the role, he’ll just make sure the actor fits the part. 1,710 words Added Aug 2022 4,177 views 4.7 stars (6 votes) •Huge Cock•Multi-abs•Multicock•Replication•Muscle Growth•Getting Taller•Size Increase•Race/Ethnicity Change•Selfcest•Complete •M/M•M/M/M•M/M/M/...

The recruit by Cris Kane A twink hooks up with a Marine and begs to know if the rumors about a secret military muscle-building formula are true. 3,279 words Added Nov 2018 11k views 4.7 stars (6 votes) •Cock Growth•Muscle Growth•Muscle/Strength •M/M

The silver alchemist by BRK Alex and Jessie are two apprentice sorcerer-alchemists playing with spells they haven’t quite mastered, when a casting takes an unexpected turn. 2 parts 6,932 words Added Jan 2022 4,119 views 4.7 stars (6 votes) •Transformation•Hair Growth/Getting Hairy•Retcon•Time Travel•Witch/Warlock/Wizard•Metabods 25•Invisibility•Complete•19th Century •M/M

The smuggler by BRK Ardin is one of the best smugglers in the Seven Realms, and the heist he has planned to steal a valuable heirloom from the unsuspecting (and impossibly handsome) Prince of Kossh should be a piece of cake. What he’s not counting on is finding something else in the Prince’s treasure-room: an artifact evoking a mythical cock-themed beast that brings with it a sexual need so intense Ardin is unsure it can ever be quenched. 2 parts 6,395 words Added Apr 2021 4,301 views 4.7 stars (6 votes) •Huge Cock•Hyper Cum•Man Scent•Incest•Brothers•Twins•Fantasy Realm

Thumbs up by drawnietator 2,383 words Added Dec 2010 14k views 4.7 stars (6 votes) •Muscle Growth•Muscle/Strength

Titan by Also Known As I had purchased time with Augments before but this was my first time with a Grower. 8 parts 16k words Added Oct 2002 23k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase •M/M

The trim by BRK When your cock size is tied to the length of your hair, getting a trim can be the last thing you want—or, if it’s not too drastic, something to look forward to. 1,576 words Added Mar 2004 13k views 4.7 stars (6 votes) •Huge Cock•Hyper Cock•Complete

The trouble with Jason by BRK Joey is feeling a little overstimulated by all the competing transformations his hot friend and coworker, Jason, is being given by their bosses—especially since Jason himself not only is completely clueless that he’s being changed at all, but seems to flirt without knowing it, too. 4,501 words Added Jan 2016 12k views 4.7 stars (6 votes) •Multiarm•Multilimb•Multipec•Muscle/Strength•App

21-year-old scotch by Cris Kane On his 50th birthday, a closeted man enters a gay bar and is given a drink with an unexpected side effect. 9 parts 46k words (#81) Added Aug 2019 Updated 21 Sep 2019 10k views 4.7 stars (6 votes) •Huge Cock•Muscle/Strength•Age Regression•Time Travel•Witch/Warlock/Wizard •M/M•M/M/M

University notes by brazboy Being a new student at a mixed university presents new challenges and opportunities to a normal and naïve lad—such as the interaction with youthful and handsome Dairy Bulls. 6 parts 11k words Added Jan 2024 Updated 2 Mar 2024 3,806 views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Muscle Growth•Getting Taller•Incest•Brothers•Anthro/Furry•Complete •M/M

Who wants to be a boytaur? by BRK That story that Who Wants to Be a Boytaur? grows the people that watch it as well as the contestants is probably just an urban legend. 2 parts 4,864 words Added Jun 2012 Updated 27 Jun 2020 15k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Gradual Change•Complete •M/M•M/M/M

The winds of Brsa by BRK A traveling scholar unexpectedly finds a remote and unknown island, full of beauty in its people, its city, and its flora and fauna. Brsa is also full of secrets not to be shared with outlanders: some guarded, some lost to the ravages of time. Fortunately, the island of Brsa seems to like him. 2 parts 7,543 words Added Nov 2017 Updated 29 May 2021 6,631 views 4.7 stars (6 votes) •Fantasy Realm •NS

You don’t get something for nothing by screamingmoist A man has to decide if his new life is worth the cost. 7,669 words Added Feb 2023 6,969 views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Getting Dumber•Straight to Gay•Muscle Growth•Size Decrease•Retcon•Complete •M/M

Graham by Giant Worshipper and westone tiny 10 parts 55k words (#61) Added Nov 2009 Updated 31 Dec 2010 100k views 4.6 stars (24 votes) •Size Increase

Happy little accidents by MainAttraction Nils gets a special gift from a new friend in French class, but it take him a while to discover just what it can do. 3 parts 7,693 words Added Dec 2020 Updated 19 Feb 2022 17k views 4.6 stars (24 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Breast•Muscle/Strength•Increased Libido•Getting Handsomer•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy •M/M

Boosted by West Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. 3 parts 5,429 words Added Aug 2021 Updated 4 Sep 2021 17k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•A.I.-Controlled Change•App•Incest•Brothers•Infectious•Complete

Growth school by Writ Bro Kit’s rebellion against his rich, inattentive father ends him up in a school for delinquents. Only, it’s not at all what Kit expects. 12 parts 56k words (#59) Added Jun 2018 Updated 11 May 2019 64k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Restraints•Sex-Slave•Lycra/Spandex •M/M•M/M/M

Jeff the intern by BRK and Jockmorphr Jeff is starting to feel like his body isn’t quite what it was a little while ago, and he’s at the office with coworkers around everywhere. And the changes are starting to pile up. 3,146 words Added Jul 2013 39k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Nipcocks•Nipple Emissions•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M•M/M

Oh man by BRK A simple website called your-body-like-that dot com lets you imagine how you’d look with a whole new body. Only it doesn’t stop at imagination. 5 parts 13k words Added Jul 2010 Updated 10 Nov 2017 80k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Self-suck•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•App•Retcon•Selfcest

Comeuppance by JJJJohnson No more than one tablespoon each, huh? Suuuuuure! 4,071 words Added May 2006 47k views 4.6 stars (22 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Brothers•Twins •M/M

The power of suggestion: The coffee shop by NBCK99 Having the power of suggestion leads you into a lot of temptation, but nothing compared to meeting Clay in line at the coffee shop. 3,055 words Added Aug 2016 16k views 4.6 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Multicock•Multiarm•Multilimb•Getting Taller•Size Increase•Mouthcock•Suggestion•X-Ray Vision •M/M

Contamination by RdyRoger After his dick came in contact with an experimental substance, high schooler Vincent starts slowly getting bigger… first in his crotch and then other places, too. Thomas, a tall, handsome jock, likes teasing him about it at every opportunity. 6,135 words Added Jul 2019 27k views 4.6 stars (21 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Infectious •t/t

Derek’s rebirth by muscl4life An elixir from the dawn of time is turning Derek into the ultimate muscle daddy, which he demonstrates by wearing out three young admirers. Taking on a personal trainer as his acolyte, Derek prepares himself for an even more impressive Phase Two of his transformation. 3 parts 12k words Added Nov 2018 34k views 4.6 stars (21 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Nipple Emissions•Straight to Gay•Muscle Growth•Muscle/Strength•Giants•Plausible Size Difference•Size Increase•Age Difference •M/M

Loading... by Ziel Russel is feeling embarrassingly puny his first day trying to work out at the gym, but with a little determination, a few simple exercises, and his friend’s gag gift—a “Loading muscles…” workout tank and an “Enhance” brand jock strap to go with it—things start to turn around pretty rapidly. 7,139 words Added Feb 2019 23k views 4.6 stars (21 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength •M/M/M

Danny gets big by StudMscl Danny is unexpectedly given some brown paper packets that are supposed to turn him into everything he wishes he were. He quickly learns that changing your body changes your life in unexpected ways. 3 parts 9,501 words Added Nov 2003 67k views 4.6 stars (20 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •M/M

Roommate problems by Queen23 Taylor, who’s pretty proud of his own cock, gets more than he bargained for when he finally gets his hunky roommate naked and alone. 4,018 words Added Jun 2016 13k views 4.6 stars (20 votes) •Huge Cock•Self-suck •M/M

Detachable party by The Gecko Rose What would it be like if everyone had detachable parts? College parties would suddenly be very different. Imagine going to a hide-and-seek party where you hide, but your cock is the key to finding you! 2 parts 4,438 words Added Jun 2018 Updated 6 Oct 2018 8,055 views 4.6 stars (19 votes) •Stretchy•Detachable •M/M•M/M/M/...

Keeping curses by Michverdun One day, Samael gets a strange request from a cursed customer. 7,798 words Added Sep 2022 7,760 views 4.6 stars (19 votes) •Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Nonconsensual change•Urban Fantasy•Supernatural •M/M

MG Project: Test Subject #5 by HeyDaddy01 A 50-year-old man recovering from an auto accident qualifies for a life-changing experimental project. 20 parts 59k words (#51) Added Jan 2023 Updated 1 Apr 2023 17k views 4.6 stars (19 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Public Orgasm•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Gradual Change•Bodily Fluids•Hyper Pheromones •M/M•M/M/M•M/M/M/...

‘Mini’ge a trois by Ziel Rhys and his two buddies decide to experiment with a shrinking potion. It’s a long way down, but it’s sure to be one helluva ride. 11 parts 36k words Added Mar 2016 Updated 2 Jun 2017 20k views 4.6 stars (19 votes) •Size Decrease •M/M•M/M/M

Nothing better than Monday oatmeal by Mask Spencer would love nothing more than to live out his idyllic life while caring for his two perfect older sons. His days are always the same, except for his devilish youngest child who always seems to be causing issues for the household. 7 parts 21k words Added Jun 2023 Updated 17 Jun 2023 8,018 views 4.6 stars (19 votes) •Always Hard•Multi-abs•Multicock•Multihead•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Multitorso•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Public Nudity•Transformation•Getting Taller•Giants•Size Increase•App•Retcon•Incest•Brothers•Selfcest•Complete •M•M/M•M/M/M•M/M/M/...

Acting out by Cris Kane A straight actor preparing to audition for a gay role receives help getting into character from his gay friend and a couple of magic rings, but their mind-altering effects lead to unexpected outcomes for Quinn and Damon alike. 3 parts 25k words Added Aug 2014 33k views 4.6 stars (18 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

Caleb finally grows up by Joven Caleb, an embarrassingly under-endowed 19-year-old, ends up getting some help from a doctor. The treatment is a little too effective, much to Caleb’s delight. 8 parts 10k words Added Sep 2019 Updated 21 Sep 2019 21k views 4.6 stars (18 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck •M/M

The leave-behind by BRK The young manager of a Vermont B&B finds an extremely unusual, and unexpectedly erotic, item has been left behind by a departed guest. 6 parts 22k words Added Aug 2014 Updated 10 Feb 2024 18k views 4.6 stars (18 votes) •Extra digits•Multilimb•Straight to Gay•Muscle/Strength•Muscle Worship•Detachable •M/M

My chronicles by growerdom I chronicle my growing life, dealing with my new abilities, and you’re there every step of the way.  2 parts 4,018 words Added Dec 2023 Updated 30 Dec 2023 11k views 4.6 stars (18 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Dom to Sub•Straight to Gay•Hyper Muscle•Pec Fucking•Hyper Strength•Immobility•Muscle Growth•Muscle Gut•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Voluptuous Men•Butt Growth•Belly Growth•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Father/Son•Dom/Sub•Nonconsensual change•Hyper Pheromones •M

Alex’s gift by Will Bowden A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. 3 parts 4,345 words Added Apr 2003 41k views 4.6 stars (17 votes) •Incest•Brothers•Shapeshifting •t/t

Brent and Jax by BRK Jax comes back from vacation extremely jazzed about something that happened to him, leading to a very strange conversation with his buddy Brent about how all the guys on campus seem to be changing lately. 2 parts 8,234 words Added Mar 2013 Updated 27 Apr 2018 31k views 4.6 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Multicock•Retcon•Suggestion•X-Ray Vision •M/M

Jolias and Max: The cock rings by Azerreza and Madmutter When Jolias ordered what he thought a simple sex toy for him and his boyfriend Max, just for fun, he had no clue that this ring had many more features and that it would change their lives… 5 parts 34k words Added Sep 2021 Updated 10 Jun 2023 23k views 4.6 stars (17 votes) •Cock Growth•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•App•Lycra/Spandex•Superhero/Supervillain •M/M

Last resort by Also Known As Our narrator finds himself whisked off to a mysterious resort where everything seems perfectly designed to cater to his every fantasy—especially the all-male staff. But reality keeps changing around him, and he has no idea how or why. 8 parts 28k words Added Jan 2014 23k views 4.6 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M

MyWorld by CoyoteR Andy is all into the muscles he’s given himself and his buddies on the football team thanks to the MyWorld software on his tablet. Only he’s misplaced his iPad somewhere, and he sure hopes someone else hasn’t found it… 2 parts 6,124 words Added Sep 2016 22k views 4.6 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Retcon•Nonconsensual change•Sex-Slave•Mind Control •t/t

Noel’s literary gift by brazboy Luciano’s flatmate Noel decides to give him a special Christmas present: a notebook that guarantees that everything written in it is true. The notebook is as powerful as it sounds, although it also seems to be affected by Luciano’s desires and perhaps its own innate mischievousness, creating a snowball effect that twists the entire world.  3 parts 12k words Added Dec 2022 8,668 views 4.6 stars (17 votes) •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Hyper Cum•Nipple Emissions•Public Orgasm•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Straight to Gay•Muscle Growth•Public Nudity•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hyper Tongue•Tongue Growth•Retcon•Incest•Brothers•Christmas•Complete •M/M•M/M/M

Perfectly normal by EdIam John is working on reality-bending science… but perhaps he should vet his employees a little more carefully. 8,364 words Added Jan 2021 8,170 views 4.6 stars (17 votes) •Always Hard•Other Mental Changes•Straight to Gay•Always Shirtless•Retcon•Incest•Brothers•Father/Son•Nonconsensual change

The pump by UberPump A young man and his wife find themselves at the mercy of a cock pump.  He's already quite big at 9 inches long, but how much bigger can he go and will they find a limit to his size? 2 parts 7,269 words Added Jan 2023 Updated 1 Apr 2023 14k views 4.6 stars (17 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Addiction•Increased Libido•Forced Growth•Inflation•Bisexual•Hetero Sex •M/F•M/F/F

The spectacular growing saga by West A collection of brief stories about guys discovering their dream bodies in various ways. 8 parts 12k words Added Mar 2022 Updated 20 May 2023 18k views 4.6 stars (17 votes) •Cock Growth•Cut to Uncut•Cock Shrinking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Prehensile Cock•Cum inflation•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Multiarm•Multipec•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Increased Libido•Getting Taller•Forced Growth•Size Decrease•Size Increase•A.I.-Controlled Change•Retcon•Suggestion•Incest•Brothers•Twins•Triplets•Hyper Pheromones•Infectious•Androids/Cyborgs •M/M•M/M/M

Unintended hypnotist by Superlax Adam's library find yields some interesting changes for him and his roommate, Brock. 3 parts 3,408 words Added Aug 2019 Updated 5 Oct 2019 12k views 4.6 stars (17 votes) •Other Mental Changes•Straight to Gay•Getting Taller•Suggestion•Hypnosis •M/M

Ash & Jimmy by Eric Aaldersen Ash and Jimmy reunite after not seeing each other since childhood. Both have really grown up, in many ways, and their reunion is explosive. 4,805 words Added May 2023 4,364 views 4.6 stars (16 votes) •Huge Balls•Huge Cock•Muscle/Strength •M/M

Big men on campus by Aardvark and Cris Kane The Alpha Alpha Alpha fraternity recruits a prospective pledge who will need a few adjustments to fit in. 22k words Added Oct 2014 32k views 4.6 stars (16 votes) •Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Handsomer•Size Increase•Destruction/Violence

Birthday surprise by The National Endowment Committee and UnknownGentrifier Steve’s handsome boyfriend Pete brings home a special birthday gift that happens to involve a bit of growth, and a few other things as well. 4 parts 13k words Added Nov 2013 33k views 4.6 stars (16 votes) •Huge Cock•Nipcocks•Nipple Emissions•Muscle Growth•Muscle/Strength •M/M

Cave of worshippers by SomeMuscleGuy After a strange workout session with his friend Ben, Mike wakes up restrained in a cave, surrounded by cultists who want to make him their muscle god. 8,219 words Added Jan 2023 17k views 4.6 stars (16 votes) •Always Hard•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Worship•Butt Growth•Increased Libido•Foot Growth•Transformation•Voice Deepening•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Dom/Sub•Nonconsensual change•Restraints•Absorption•Complete •M/M

Cow-boy by JKL Where does milk come from if cows are not raised as livestock? You're about to become the source. 1,606 words Added Jan 2019 36k views 4.6 stars (16 votes) •Cock Growth•Nipple Emissions•Muscle Breast•Muscle Growth•Belly Growth•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Inflation •M/M

Cruise cocktail by BRK For a guy on a deluxe, all-expenses-paid gay cruise, Carter is a little grumpy. Maybe it has something to do with the fact that he’s having trouble fitting into his briefs thanks to a certain shipboard perk he hadn’t known about ahead of time. 1,648 words Added Feb 2022 7,693 views 4.6 stars (16 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Gradual Change•Hair Growth/Getting Hairy •NS

The Halloween costume by frooooooo A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? 2,220 words Added Oct 2012 20k views 4.6 stars (16 votes) •Incest•Brothers•Merging•Halloween •M/M

Hulk hunter by JayPat Hunter has dedicated his life to tracking and neutralizing the hundreds of huge-growing hulks that have been terrorizing small towns for twenty years now, and he’s damn good at what he does. But when he gets to his latest sighting, he finds things aren’t going the way they usually do. 2 parts 11k words Added Sep 2018 22k views 4.6 stars (16 votes) •Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Muscle Growth•Muscle/Strength•Transformation•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Infectious •M/M

Nubian transformations by Male Transformer Jackson wants the joy of muscular, hung, Nubian men to known to more and more men, and he has ways of making that happen. 5 parts 5,243 words Added Feb 2003 22k views 4.6 stars (16 votes) •Cock Growth•Muscle Growth•Race/Ethnicity Change•Body Swap•Hypnosis •M/M

Unequal exchange by Fallon Ives Jacob gets more (and less) than he bargained for when a late-night hookup with a guy from out of town takes a turn for the strange. No part of him will ever be the same. 9 parts 21k words Added Nov 2021 Updated 12 Feb 2022 33k views 4.6 stars (16 votes) •Cock Growth•Cut to Uncut•Cock Shrinking•Cock Theft•Huge Balls•Huge Cock•Hyper Cum•Muscle Worship•Man Scent•Belly Growth•Increased Libido•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Getting Fatter•Tongue Growth•Dom/Sub•Humiliation•Nonconsensual change•Sex-Slave•Supernatural •M/M•M/M/M

Walk to class by iciss When you can grow guys as you pass until they can’t resist each other, it’s tough to hold back even if you’re running late. 2 parts 3,194 words Added Mar 2009 28k views 4.6 stars (16 votes) •Cock Growth•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•Nonconsensual change •M/M•M/M/M

The Wizard of Hot by hyperboi A young man’s difficult life on a struggling Kansas farm takes a sudden turn when a cyclone appears, taking him and his brother far from home to another place altogether. 10 parts 39k words (#98) Added Apr 2021 Updated 31 Jul 2021 19k views 4.6 stars (16 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Muscle/Strength•Detachable•Giants•Plausible Size Difference•Size Increase•Incest•Brothers•Anthro/Furry•Witch/Warlock/Wizard•Fantasy Realm•Supernatural •M/M/M•t/t

Worship by Unknown Working out late at night, a well-built guy watches a musclegod work out, then gets invited to take a much closer look. 4,883 words Added Jul 2014 21k views 4.6 stars (16 votes) •Huge Cock•Muscle/Strength •M/M

The book in the basement stacks by BRK Eric reluctantly takes refuge from a storm in his college’s enormous and ancient library, and soon finds himself exploring parts of the stacks best left alone. 2,887 words Added Oct 2021 12k views 4.6 stars (15 votes) •Cock Growth•Multi-abs•Muscle Growth•Muscle/Strength•Getting Handsomer•Gradual Change•Transformation•Getting Taller•Size Increase•Nonconsensual change •M•NS

Examination by BRK A hunky new patient at the clinic is a little shy when it comes to what happens to his tongue when he gets turned on. 3 parts 7,153 words Added Mar 2011 Updated 1 Jun 2018 23k views 4.6 stars (15 votes) •Mouthcock •M/M

The inflation of pleasure by Lionel E. Linklander A man discovers that his friend’s huge cock and its ability to swell with cum and becomes obsessed with making it hold as much cum as possible. The result is an inflation of cum that is almost out of control.  1,638 words Added Jul 2023 7,204 views 4.6 stars (15 votes) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Immobility•Stretchy•Belly Growth•Forced Growth•Complete•Hyper Anus •M/M

Project William by Also Known As Horny teen Jackson encounters a guy who seems like he’s the god of sweet, muscular, carnal masculine hotness, and that means big changes for Jackson and his friends. 20 parts 65k words (#47) Added Oct 2002 35k views 4.6 stars (15 votes) •Cock Growth•Huge Cock•Public Orgasm•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Immortality •t•t/t•t/t/t

They’re really sensitive now by spacevlad Burly musclebear daddy Josh gets his nipples pierced, which makes them extra sensitive...and leads to some BIG unexpected benefits! 2 parts 5,742 words Added Nov 2016 Updated 7 Apr 2017 27k views 4.6 stars (15 votes) •Muscle Growth•Muscle/Strength•Giants•Plausible Size Difference•Size Increase•Getting Fatter •M/M

Boy in a bag by Absman420 Maybe there’s such a thing as too much hormone therapy… 7,534 words Added Oct 2020 20k views 4.6 stars (14 votes) •Cock Growth•Huge Cock•Getting Dumber•Other Mental Changes•Muscle Growth•Muscle/Strength•Age Regression•Nonconsensual change •M/M

Cadence by BRK Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. 6 parts 31k words Added Nov 2016 Updated 16 Mar 2019 21k views 4.6 stars (14 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Destruction/Violence•Witch/Warlock/Wizard•Pagan gods•Immortality•Ancient Era •M/M

Conservation of Matt by BRK Working his checkout line on Halloween, Brady, to his dismay, spots his least favorite person: Matt Lansing, the bully who’d tormented him for being short and gay in high school. If only someone would cut that jerk down to size! 3 parts 5,108 words Added Oct 2017 15k views 4.6 stars (14 votes) •Muscle Growth•Muscle/Strength•Size Decrease•Halloween•Complete •M/M

Cosplay by BRK The only thing Harper likes more than the idea of slightly resembling a certain web-slinging superhero is the thought of actually being him—so much so that an unexplained costume in his bookbag proves irresistible. 1,820 words Added May 2020 7,354 views 4.6 stars (14 votes) •Multiarm•Multilimb•Muscle Growth•Superhero/Supervillain •NS

Cum and Grow by BRK When someone goofed up the sign at the Come and Go store to make it say “Cum and Grow”, I thought it was a pretty funny prank. Turns out, it wasn’t just a joke. 2,310 words Added Nov 2020 12k views 4.6 stars (14 votes) •Cock Growth•Getting Taller•Complete •M/M

Detention by octavian Is it mistaken identity? Or is something darker at work here? Whatever the case, when our main character gets sent to detention, he’s sure there’s been a mistake. The guy sitting next to him, however, sees things differently. 6,534 words Added Jul 2022 9,701 views 4.6 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Getting Dumber•Straight to Gay•Muscle Growth•Foot Growth•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Retcon•Nonconsensual change•Anthro/Furry •t/t

Eustace conquers the world by JayPat Eustace, always the victim, decides to bulk up to avoid getting beaten up. At first he tries working out, but then he uses his smarts to create ways to boost muscle growth. It soon becomes apparent these are much more effective than anticipated. 3 parts 24k words Added Mar 2019 24k views 4.6 stars (14 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase•Destruction/Violence•Dom/Sub •M/M

The fake boyfriend by BRK Zeke must travel back to his hometown, Woody Hole, in a last-ditch effort to prove he’s gay and end the eternal matchmaking with his high-school girlfriend, Stacy. A fake boyfriend is the only way—but Zeke’s closest relationship is with a customized character from an open-sandbox simulation game, a cocky personal trainer named Troy. 4 parts 14k words Added Aug 2020 10k views 4.6 stars (14 votes) •Cock Growth•Huge Cock•Extra digits•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Hyper Tongue•Complete •M/M

Hot night air by Josh Barrett A transplanted Canadian in Hong Kong finds his dream guy, and their encounter leads to more than sex he’ll never forget. 2 parts 3,493 words Added Feb 2014 21k views 4.6 stars (14 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy •M/M

Playing with fire by BRK Roman is drifting through Oregon seacoast towns, letting life come to him, when he encounters a guy who shares his wickedly sexualized love of an obscure comic-book character called Lavaman, and then, not long after, a pair of gag spectacles that supposedly let you see the things you most enjoy fantasizing about. 3,799 words Added Mar 2018 9,038 views 4.6 stars (14 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Superhero/Supervillain•Complete

The shirtless club by BRK A cute, well-built teenager and his twin friends make a pact to keep their shirts off at all costs. 2 parts 7,614 words Added Jul 1997 38k views 4.6 stars (14 votes) •Huge Cock•Self-suck•Muscle/Strength•Always Shirtless•First Time/Virgin•Incest•Brothers•Twins•Complete •t/t•t/t/t...

Big Dick Energy by Ziel Steven needs a serious pick-me-up if he is going to survive a day of classes on next to no sleep. Fortunately, there’s a store near campus that ought to carry just what he needs—an aptly named drink known as “Big Dick Energy”. 3,309 words Added Mar 2020 19k views 4.6 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum •M/M

Burst by BRK In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… 3 parts 11k words Added Dec 2020 12k views 4.6 stars (13 votes) •Cock Growth•Huge Cock•Multicock•Replication•Other Mental Changes•Hyper Strength•Muscle Growth•Muscle/Strength•Always Shirtless•Stretchy•Getting Handsomer•Transformation•Getting Taller•Size Increase•Selfcest•Aliens•Christmas•Complete •M/M•M/M/M

The secret repository by BRK Angelo and Justin explore a seemingly abandoned bunker where they discover a much bigger secret than they could ever have imagined. 2,324 words Added Jun 2019 9,374 views 4.6 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Complete •M/M

Beefcake by Zero They say you are what you eat—especially true for magical foodstuffs with growth-inducing powers—and wimpy freshman Bradley is about to take a bite. 1,591 words Added Feb 2021 18k views 4.6 stars (12 votes) •Cock Growth•Huge Cock•Pec Fucking•Muscle Growth•Muscle/Strength•Butt Growth•Getting Handsomer•Getting Taller•Size Increase

Derek and Simon by BRK Newlyweds Derek and Simon suspect their new house might be haunted, and after sharing a few bottles of wine one night testing that theory starts to sound like a good idea. 5,244 words Added Jul 2022 9,161 views 4.6 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Age Progression•Hair Growth/Getting Hairy•Dom/Sub•Merging•Shared Body•Ghosts•Supernatural•Complete•Alcohol •M/M•M/M/M

Heavy quarantine by Portowulf Boyfriends Vincent and Coy ride out the quarantine together, for extended time. 2,778 words Added Apr 2020 13k views 4.6 stars (12 votes) •Cock Growth•Hyper Cum•Muscle Growth•Belly Growth•Increased Libido•Getting Fatter•Inflation•Complete•Set during the Pandemic •M/M

The hike by Unknown Trying to get away from things after a breakup with a hike into the wilderness, Steve discovers a strange cavern adorned with drawings of men possessed of freakishly large muscles and cocks. It’s not long before he discovers the reason for the drawings. 4,189 words Added Sep 2003 17k views 4.6 stars (12 votes) •Hyper Cock•Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Nonconsensual change •M•M/M

It does a body good by screamingmoist An EMT is exposed to a strange chemical and sucked into a world he never knew existed. 3,972 words Added Oct 2021 11k views 4.6 stars (12 votes) •Cock Growth•Cum Milking•Hyper Muscle•Muscle Growth•Transformation•Hair Growth/Getting Hairy •M/M

It’s all a bit ’haze’y by Ziel When Markus gets accepted into the frat of his dreams, he was expecting one hell of a hazing. The truth is something much bigger. 4,613 words Added Dec 2016 19k views 4.6 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M/M/...

Just between fiends by Cumguts Regular buff guy Dean is met with an unwanted guest (or two) over breakfast. Things get considerably stickier when he tries to get rid of them. 3,422 words Added Nov 2020 11k views 4.6 stars (12 votes) •Hyper Cock•Cum inflation•Hyper Cum•Muscle Breast•Voluptuous Men•Demons•Hyper Anus •M/M•M/M/M

The lucky accident by MaxMorphs An accident at the skate park leads to a treatment for Luke’s balls that not only heals them but starts them growing, and pretty soon it’s not just his balls that are bigger. 7,269 words Added Sep 2019 38k views 4.6 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Giants•Size Increase•Hair Growth/Getting Hairy •M/M

Mariposa honeymoon: A six-pack story by Cris Kane Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. 19 parts 106k words (#22) Added Dec 2018 Updated 16 Feb 2019 21k views 4.6 stars (12 votes) •Cock Growth•Cock Shrinking•Huge Cock•Getting Dumber•Other Mental Changes•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Increased Libido•Size Decrease•Size Increase•Age Regression•Race/Ethnicity Change•Hair Growth/Getting Hairy•Witch/Warlock/Wizard •M/M•M/M/M/...

The Reflex by Cris Kane James receives an unexpected gift from an old friend: the trendy new home gym called the Reflex System. 5 parts 25k words Added Mar 2020 Updated 18 Apr 2020 11k views 4.6 stars (12 votes) •Muscle Growth•Muscle/Strength•Gradual Change•A.I.-Controlled Change•Set during the Pandemic •M/M

Too big by freakyhugemuscles 2,477 words Added Mar 2005 32k views 4.6 stars (12 votes) •Immobility•Muscle Growth•Muscle/Strength

Unexpected side effects by WBHunk Jay discovers a virus that seems to have a transformative effect on the body. It just needs to be tested on a human subject… 2 parts 2,776 words Added Feb 2003 20k views 4.6 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Shapeshifting •M/M

Being accompanied by a wolf by BeCreative Jared works in solitary as a lumberjack, but one day he meets a very special companion. 4 parts 11k words Added Jun 2021 Updated 26 Jun 2021 14k views 4.6 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Cum inflation•Hyper Cum•Muscle Growth•Muscle/Strength•Muscle Worship•Voice Deepening•Plausible Size Difference•Size Increase•Anthro/Furry•Werewolves•Complete •M/M

Casey’s machine by FanTCMan Casey claims to have invented a muscle-growing machine, but Mike is understandably skeptical. 4,566 words Added Aug 2002 24k views 4.6 stars (11 votes) •Muscle Growth•Muscle/Strength •M/M

Company guys by FanTCMan You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. 2 parts 7,919 words Added Dec 2002 36k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son

Compliments to the chef by YellowJester A business meeting quickly gets derailed at just one taste of the chef’s special sauce. The line between food porn and other type of porn can blur especially when that food causes your dinner companions to change before your very eyes. 2,887 words Added May 2022 5,992 views 4.6 stars (11 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Getting Taller •M/M

In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies.  2 parts 16k words Added Mar 2023 Updated 17 Jun 2023 9,163 views 4.6 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Incest•Brothers•Twins•Selfcest•Dildos/Toys•Set in the Future •M/M/M

Lunch of champions by Cris Kane Skinny nerd Tyler is befriended by a high-school football star and slipped some of the team's special training diet. 7,493 words Added Dec 2018 13k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •t/t

Metachange by LordTronimator Bullied 18-year old high school student Nathan just wants to spend his time in class doodling. But he’s always mocked for what he does. So what happens when a mysterious app suddenly shows up on his phone and promises to change things? 5 parts 8,689 words Added May 2020 Updated 13 Jun 2020 12k views 4.6 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Four Legs•Multiarm•Multileg•Multilimb•App•Incest•Brothers•Humiliation•Nonconsensual change •t/t

The professor of reality by RdyRoger Max’s friend’s boss, the Professor, has been experimenting with making changes to reality, but when he tries to solve Max’s problems with his undersized equipment things get a little out of hand. 2 parts 9,489 words Added Dec 2017 16k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Randy’s morph by FanTCMan Muscle reporter Randy is excited to interview one of the new crop of super-bodybuilders. 4,199 words Added Jul 2002 25k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Handsomer •M/M

The swelling exposure by Lionel E. Linklander When a young man finds cock growth pills to impress his boyfriend Jimmy, he gets carried away. The result is his small member growing and getting bigger and bigger in public. And Jimmy is enjoying every minute of the growth… 4,274 words Added Aug 2023 9,395 views 4.6 stars (11 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Muscle Growth•Muscle Worship•Public Nudity•Man Scent•Belly Growth•Feeding•Gradual Change•Forced Growth•Inflation•Dom/Sub •M/M

Taste the rainbow by OneLuckyGuy89 Luke, Josh and Matt are called to New Orleans by their old friend, Jeremy. Luke’s 21-year-old son joins them, excited to be able to drink. The bar is known for making beer with fresh fruit in it, but little do they know the side effects they’re about to experience. 2,497 words Added May 2023 6,299 views 4.6 stars (11 votes) •Cock Growth•Ball Growth•Huge Cock•Muscle Growth•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Father/Son•Complete •M/M•M/M/M•M/M/M/...

Web cam abuse by Tereshky Two enterprising college jocks think they can pay their way through school by showing off their ripped bods as part of a web cam business. When a company comes along offering them a ton of money for an hour’s work, they learn that when an opportunity sounds too good to be true, you should always read the fine print. Stretch Studios isn’t kidding when they say they’re not responsible for any “alterations” to their employees. 4,260 words Added Sep 2020 14k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Belly Growth•Getting Taller•Plausible Size Difference•Size Increase•Inflation •M/M

What a single compliment can change by MaxMorphs The story of how I became as big as I am now is really the story of my life. And, it’s hella complicated. 4,556 words Added Jul 2019 18k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Man Scent•Getting Taller•Size Increase •M/M

Doms and Subs by CockTFBoi Kevin brings home a strange card game to play with his husbands. As the three of them begin playing, some of their neighbors start changing to fit the cards being played and the throuple become hornier and hornier the longer they play. 3 parts 13k words Added Nov 2023 Updated 23 Dec 2023 7,900 views 4.6 stars (10 votes) •Always Hard•Cock Growth•Cock Shrinking•Cock Theft•Cockless•Human to Cock•Cum Milking•Always Cumming•Nipple Emissions•Hermaphrodite•Transgender•Addiction•Dom to Sub•Muscle Breast•Muscle Growth•Man Scent•Butt Growth•Increased Libido•Detachable•Transformation•Hair Growth/Getting Hairy•Hairless•Mouthcock•Dom/Sub•Nonconsensual change•Bodily Fluids•Dildos/Toys•Complete •M/M•M/M/M•M/M/M/...

Getting your goat on by Meddler Incs That costume feels really good when you put it on, and the orgasms are mind-blowing. It might be a little ... possessed, though? 2,502 words Added Jul 2016 15k views 4.6 stars (10 votes) •Muscle/Strength•Absorption•Anthro/Furry

How I got my footlong cock by BRK Just because that email looks like spam, that doesn’t mean it’s not for real. 2,663 words Added Jun 2004 28k views 4.6 stars (10 votes) •Cock Growth•Huge Cock •M/M

Magic hands by Anonymous Masseur Julian returns to work following physiotherapy required after a car crash. It seems the treatment may have done more than heal his hands… 5 parts 5,138 words Added Aug 2009 18k views 4.6 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation •M/M

Massive musclemonsters by TonnyGiant Roger meets his new neighbors, three impressively muscled bodybuilders, just as his boss, Dr. Alejandro, experiences a very dramatic breakthrough with a serum designed to produce muscle growth and regeneration. 3 parts 6,902 words Added May 2018 Updated 1 Jun 2018 21k views 4.6 stars (10 votes) •Huge Cock•Multi-abs•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Giants•Plausible Size Difference•Size Increase •M/M

Midmorning augmentation by Double-U John is surrounded by muscular college jocks, which he finds distracting. Then, not long after downloading a game app he isn’t familiar with, he wakes up to discover he’s a muscular jock himself. 5,052 words Added Jul 2016 14k views 4.6 stars (10 votes) •Muscle/Strength•App•Body Swap

My Fantasy Shop by West Charlie decides to bite the bullet and find out what that mysterious shop down the street is. What he finds makes him wish he did it sooner. 3 parts 6,030 words Added Nov 2021 Updated 15 Oct 2022 7,351 views 4.6 stars (10 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Muscle Growth•Getting Taller •M/M

Summer vacation by Richard Jasper Recent high school graduate Roger is looking forward to spending the summer—alone—at his grandparents’ lake house. He plans to eat, lift, and grow! Little did he anticipate the effect his grandfather’s special formula Vegemite would have on the process! 6 parts 8,655 words Added Oct 2020 9,973 views 4.6 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Hair Growth/Getting Hairy

All Hallows’ revelry by Element53 Jake is invited to a Halloween bonfire by a hunky stranger, and he quickly learns how much fun a little revelry can be. 5,277 words Added Oct 2020 11k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Supernatural•Halloween •M/M•M/M/M

Cult of the Muscle Beast by SuperWaffle Horny twunk dancer and cum factory Branson is thrilled to learn that the man of his wet dreams, the huge muscle god Maximilian, has engaged his services for a private session. What Branson doesn’t expect is the effect his cum has on Maximilian—or what that means for Branson’s future. 20k words Added Aug 2020 13k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase •M/M

Gay centaur by Josh Dugan This centaur is a real-life Mister, not a myth. 2 parts 3,598 words Added Nov 1996 34k views 4.6 stars (9 votes) •Boytaur•Transformation•Centaurs •M/M

Moving forward by West When Brandon’s life takes an unexpected turn, his new roommate turns it around once again. 1,334 words Added Feb 2022 5,485 views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Multicock•Straight to Gay•Muscle Growth•Getting Taller•Suggestion•Infectious •M/M

Muscle spring break by Giun A bunch of straight college guys plan an exciting spring break in Cancun. When their bodies start to change, so do their feelings for each other. 4,087 words Added Apr 2003 13k views 4.6 stars (9 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength •M/M•M/M/M•M/M/M/...

A mutual desire by Clearlyhere Aaron and Frank each want what the other has, but Frank's desire is a little more literal. 1,130 words Added Sep 2012 21k views 4.6 stars (9 votes) •Huge Cock•Muscle/Strength•Body Swap

Professor Magnus’s independent study by BRK Jake, a self-taught student of transformation magic, is invited to come and meet with Professor Magnus—but the hypnotically sexy boytaur prof is just as intrigued by Jake. 3,004 words Added Feb 2017 8,727 views 4.6 stars (9 votes) •Huge Cock•Nipcocks•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle/Strength•Getting Taller•Selfcest•Witch/Warlock/Wizard•Complete

Silicone addiction by Lionel E. Linklander Mark loves to masturbate to guys with siliconed cocks but he decides to take it one step further and inject himself with silicone. He eventually takes his addiction a lot to far. How will his friend feel about his increase in size? 2,920 words Added Jul 2023 4,817 views 4.6 stars (9 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Addiction•Immobility •M/M

That’s my bush! by BRK Gerry had no body hair, much to his chagrin. He’d always thought it made him less masculine. So he felt a little called out by the ads appearing on his web pages lately for a brand of hot underwear worn only by the most manly of men. 2,232 words Added Jun 2023 3,578 views 4.6 stars (9 votes) •Cock Growth•Gradual Change•Hair Growth/Getting Hairy•Nonconsensual change•Complete •M/M

1313 Raven Lane (revised) by WordShop Two young guys find themselves in trouble on Halloween night after a party. They hide in an old house with the reputation of being haunted. We don't believe in haunted houses, now do we? 4 parts 11k words Added Sep 2017 27k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Ghosts•Halloween •M/M

Unsealing the power by BigBunny A hard gainer releases the power inside him and becomes the big man he was always meant to be. 3,178 words Added Feb 2016 17k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M

Wolfsoul by BRK For the tail end of his senior year, 19-year-old Cam moves to a remote town where all the guys are hairy, buff, and glad to welcome him and his workaholic dad into their close-knit community. Their easy affection and heady hotness almost distract him enough to keep him from wondering how all this could have happened, and what it means for him now that he’s inserted himself into this strange backwoods bastion of ultramale hotness.  3,393 words Added Feb 2024 2,612 views 4.6 stars (9 votes) •Huge Cock•Muscle/Strength•Getting Taller•Hair Growth/Getting Hairy•Werewolves •M/M

Aiden and Andrew by JB Two roommates have some fun, inside and out. 3,441 words Added May 2019 15k views 4.6 stars (8 votes) •Muscle/Strength•Plausible Size Difference•Size Increase•Vore

Check this mate by brazboy Pedro loves drinking mate tea, so when he finds the products of a fancy-looking new brand for sale in his local supermarket he decides to buy two packages. As soon as he arrives home, he makes himself some chimarrão which, as always, he offers to his handsome boyfriend Alexandre. The strong and addictive flavor enchants both of them, but that’s not the end of their surprises… 2 parts 8,935 words Added Mar 2022 Updated 2 Apr 2022 14k views 4.6 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Increased Libido•Voice Deepening•Getting Taller•Giants•Size Increase•Tongue Growth •M/M

Chest cologne by Musclesaber When Jacob is worried about his Valentine’s Day date with the biggest and hottest guy at the gym, he gets some help from his friend Sam for his little problem. 3 parts 7,198 words Added Feb 2022 12k views 4.6 stars (8 votes) •Cum inflation•Hyper Muscle•Pec Fucking•Muscle Growth•Inflation•Destruction/Violence•Valentine’s Day •M/M

The four jocks: Online edition by BRK A futuristic all-virtual version of the game leads to transformations in their already-tweaked full-body avatars, which they’re able to experience in the VR space as if they were their real bodies. 3 parts 7,582 words Added Jul 2012 20k views 4.6 stars (8 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multilimb•Multitorso•Replication•Muscle Growth•Muscle/Strength•Mouthcock•Incest•Brothers•Selfcest•Complete •M/M•M/M/M/...

Hot coffee by brazboy Davi has heard about a very special coffee shop in downtown Belo Horizonte where massive hunks do everything, from serving the tables to serving as tables, and from brewing coffee to spiking it with their pre. Despite his shyness, Davi can’t help but want to visit such a place during his short trip to the city, to try and satisfy his natural curiosity.   3,771 words Added Jan 2023 3,670 views 4.6 stars (8 votes) •Huge Balls•Huge Cock•Public Orgasm•Muscle/Strength•Public Nudity•Plausible Size Difference •M/M•M/M/M/...

Hung by the fireside with care by AndroSun A visit from Saint Nick can lead to your wishes coming true—even the ones you didn’t actually mail to the North Pole. 2,777 words Added Aug 2013 10k views 4.6 stars (8 votes) •Extra digits•Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Christmas •M/M

A love letter by Seth Peterson A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! 20k words Added May 2020 8,324 views 4.6 stars (8 votes) •Straight to Gay•Belly Growth•Getting Handsomer•Gradual Change•Getting Taller•Plausible Size Difference•Getting Fatter

Muscle mentor by Peterbilt Brady nervously approaches the godlike Jake in the locker room, and ends up glad he did. 14k words Added May 2014 20k views 4.6 stars (8 votes) •Huge Cock•Straight to Gay•Muscle/Strength

My brother was a teenage muscle freak! by Pump Culture This is a story of how my muscle fetish first got started and how my brother turned himself into a true muscle freak. 3,084 words Added Nov 2020 14k views 4.6 stars (8 votes) •Muscle Growth•Muscle/Strength•Incest•Brothers

Part time by NoGoodAlias The story of a part-time worker at a tuxedo shop, and a chance encounter with a muscle god. 3,130 words Added Jan 2022 4,298 views 4.6 stars (8 votes) •Huge Cock•Muscle/Strength•Muscle Worship •M/M

Patient zero by BRK The changes started with Andy. 1,844 words Added Dec 2010 21k views 4.6 stars (8 votes) •Huge Cock•Size Increase

Raygun-nomics by Ziel Elliot is eager to show his pal Lance his newest invention, but Lance has some ideas of his own how they should use it. 4,755 words Added May 2018 17k views 4.6 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase •M/M

Rubber suit surprise! by Peter Johns A yearning for a bit more rubber in his life is whispered in the ear of someone who can do something about it. 1,935 words Added Jan 2018 24k views 4.6 stars (8 votes) •Cock Growth•Rubber/Latex •M/M/M

The Tank by Tereshky Brian Salk is known worldwide as a billionaire tech entrepreneur with a passion for body building, but he’s got a secret no one can know about. There’s more behind his famous physique than lifting weights and that makes him a nightmare for the criminal underworld. Can he balance his personal and professional life with his behemoth alter ego? 2 parts 5,860 words Added Jan 2020 Updated 14 Nov 2020 13k views 4.6 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Superhero/Supervillain

The tutor by BRK A star football player’s mandatory tutoring session in logic takes a few unexpected turns. 1,772 words Added Oct 2023 3,845 views 4.6 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Nipple Emissions•Multi-abs•Multiarm•Multilimb•Straight to Gay•Muscle Growth•Getting Handsomer•Retcon•Suggestion•All Dialog•Complete •M/M

Uncle Matt’s farm by StevePwrBear Steve visits his uncle’s farm and discovers something unexpected about his heritage. Winner of Metabods 2005 Meta Story Contest. 3 parts 18k words Added Jun 2005 30k views 4.6 stars (8 votes) •Muscle Growth•Muscle/Strength•Size Increase•Hypnosis •M/M

You and I: The restaurant by Also Known As Another dual perspective between a man with godlike powers and a man who seeks him out, this time leading to audacious transformations right in the middle of a busy restaurant. 2 parts 9,831 words Added Jul 2016 15k views 4.6 stars (8 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Public Nudity•Size Increase•Suggestion•Selfcest

Against protocol by BRK The mods they give to MetaMorph’s in-house scientists to beta-test are supposed to wear off after two weeks, but Jackson’s mods are inexplicably persistent… and they’re starting to pile up. 2,415 words Added Nov 2019 9,738 views 4.6 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cum•Extra digits•Multiarm•Multilimb•Muscle Growth

Are you sure by Dream Big Suddenly awash with money, Bill takes the plunge and follows the stories of secretly augmented men and women to a remote lab where they promise to fix everything he doesn’t like about his body. 5 parts 6,234 words Added Nov 2019 18k views 4.6 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Size Increase•Race/Ethnicity Change•Bisexual•Hetero Sex

The attack of Tchutchuca by brazboy A weird phenomenon takes place in the old colonial city of Paraty: after a strong tide, the sea turns a bit sweet, and its scent is enough to drive the males in the small town mad. Some say it’s the work of the devil, others swear it down to the old local monster Tchutchuca. The state government sends a biologist to investigate, but there is little to be done other than witness history. 8,430 words Added Jul 2022 6,619 views 4.6 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Multicock•Straight to Gay•Muscle Growth•Increased Libido•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase •M/M/M/...

The Black Knights: Brandon by Meddler Incs “So ya wanna be a jock, bro?” Baker asks. Yeah, Brandon so wants to be a jock. 645 words Added Sep 2018 12k views 4.6 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Symbiotes

Blink and it’s gone by Double-U Mark is amazed he’s able to land a date with Connor, the unbelievably hot stud who approached him out of nowhere. But things get complicated when it turns out that Connor is not who he appears to be. 4 parts 8,569 words Added Jun 2017 12k views 4.6 stars (7 votes) •Muscle Growth•Muscle/Strength•Aliens

By design by paul shearon A few months ago we found out about a new clinic specialising in radical genetic alternation. Designer bodies on demand…. if you could afford it. We decided to afford it, and my boyfriend Jamie just got back. 2 parts 5,554 words Added Nov 2011 22k views 4.6 stars (7 votes) •Huge Cock•Muscle Growth•Muscle/Strength •M/M

Clothes make the man by Frank Easky 12k words Added Jul 2002 25k views 4.6 stars (7 votes) •Muscle Growth•Muscle/Strength•Getting Taller

Grow for me by Richard Jasper In this shorty (1000 words), the middle-aged musclebear protagonist takes in a lanky 18-year-old who’s been kicked out of house and home by his homophobic asshole dad. The musclebear’s only request? GROW! And boy does he! 1,135 words Added May 2020 6,709 views 4.6 stars (7 votes) •Muscle Growth•Muscle/Strength•Age Difference

Henry by Massiveboy Henry experiences a slow explosion of sweet, manly muscle. 1,187 words Added Jul 2002 21k views 4.6 stars (7 votes) •Muscle Growth•Muscle/Strength •M

Hot tub happenings by Dakon 3,999 words Added Mar 2006 7,932 views 4.6 stars (7 votes) •Replication•Selfcest

Just one couldn’t hurt by Thatbadwriter What? Dylan is evolving! 3,833 words Added Oct 2020 9,680 views 4.6 stars (7 votes) •Hyper Cock•Giants•Size Increase•Destruction/Violence

The laws of desire by No Name Yes, that really is a genie offering you three wishes. You get what you want—but what does the genie crave? 1,615 words Added Jan 2013 21k views 4.6 stars (7 votes) •Cock Growth•Huge Cock•Immobility•Muscle Growth•Muscle/Strength•Djin/Jinn/Genie •M/M

The mechanism by screamingmoist Volunteering to take part in an experiment leads to more than extra credit for one lucky student. 4,503 words Added May 2022 5,486 views 4.6 stars (7 votes) •Straight to Gay•Always Shirtless•Public Nudity•Increased Libido•Retcon •M/M

Morph cam by BRK A 3-D website that lets you morph digital hunks on cam is really, really realistic. 1,732 words Added May 2011 28k views 4.6 stars (7 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength

My boyfriend’s cock by CockTFBoi While out at a club Nick’s boyfriend, Max, is starting to act a little unusual. After a night of fun and passion, Nick wakes up and discovers the secret that he’s been hiding the whole time. 4 parts 13k words Added Jun 2022 Updated 10 Sep 2022 6,016 views 4.6 stars (7 votes) •Cock to Human•Human to Cock•Transformation •M/M

Random acts of muscle by Mad Dog Three stories involving Steve, a muscle-loving guy who can alter reality. 3 parts 11k words Added Aug 2009 Updated 27 Dec 2010 39k views 4.6 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Belly Growth•Size Increase•Age Progression•Race/Ethnicity Change•Hair Growth/Getting Hairy•Retcon•Nonconsensual change•Christmas •M/M•M/M/M•M/M/M/...

So close by BRK No matter what he does John can’t seem to climax, and it’s really starting to be a problem. How can he fix this? 2,628 words Added Apr 2022 4,801 views 4.6 stars (7 votes) •Hyper Cum•Hypnosis•Mind Control•Complete •M/M

Too many by BRK Zack can avoid generating a new, super-sexy clone as long as he doesn’t fall asleep in daylight. Unfortunately, that’s not always as easy as it sounds. 1,663 words Added Jul 2010 19k views 4.6 stars (7 votes) •Extra digits•Multitongue•Replication•Selfcest •M/M•M/M/M

The transformation: Scott and Logan by Now Voyager Intruders break into Scott and Logan’s home and force them to eat pasta they’ve doctored with a strange, transforming substance. 1,540 words Added Mar 2015 15k views 4.6 stars (7 votes) •Human to Animal/Anthro•Anthro/Furry

Transforming roommate’s dick by CThotguy Step 1: Slip a cake of cock-transforming soap into the shower stall just before your hunky roommate needs to rinse off. Step 2: Stand back and enjoy the show. 2,271 words Added Nov 2003 26k views 4.6 stars (7 votes) •Cock Growth•Huge Cock

Voleaf’s shop of chaotic wonder by Inuto500 A young man takes a growth potion and things don’t go exactly as planned. Not that he is complaining. 6,393 words Added Jun 2022 8,176 views 4.6 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle Worship•Getting Taller•Giants•Plausible Size Difference•Size Increase•Witch/Warlock/Wizard•Supernatural •M/M

The adventures of Rex by Richard Jasper MLB Player Rex Chastain is dragooned into the service of a wizard but a magical transformation goes somewhat awry. 6 parts 3,916 words Added Feb 2020 11k views 4.6 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Race/Ethnicity Change•Demons•Ogres•Fantasy Realm •M/M

Best friends by STrotman Two best friends—one straight, one not straight—explore love and intimacy. 8,374 words Added Jan 2024 3,503 views 4.6 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle/Strength•Gradual Change•First Time/Virgin•Bisexual •M/M

The Change continues by Richard Jasper The Change is unstoppable, spreading rapidly through the gay male population, while those who first experienced it revel in their increasingly wild transformation. 6 parts 6,405 words Added Apr 2020 13k views 4.6 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Getting Taller•Size Increase•Nonconsensual change•Infectious

Cocked by Alex Anders The town’s dark secret makes a new friend. 989 words Added Sep 2021 5,676 views 4.6 stars (5 votes) •Always Hard•Huge Cock•Human to Cock•Transformation •M/M

Crack the code: Employee of the month by screamingmoist A burnt-out young man with eyes on his boss hopes to have his code rewritten. 5,761 words Added Aug 2022 6,289 views 4.6 stars (5 votes) •Cock Growth•Getting Dumber•Muscle Growth•Butt Growth•Retcon •M/M

Denny by James Fourlegs A true friend of mysterious lineage grants a wish to a Metabods devotee. 3,208 words Added Nov 1998 12k views 4.6 stars (5 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Transformation•Centaurs•Shapeshifting •M/M

The four jocks: Study group by BRK Timothy’s study group needs a break, so Tomas pulls out a game—little knowing what changes it would mean for all of them. 6,468 words Added Dec 2014 18k views 4.6 stars (5 votes) •Cock Growth•Huge Cock•Multicock•Multileg•Multilimb•Three Legs •M/M•M/M/M/...

Fuck buddies get big by Richard Jasper Newly retired Roger and his new friend Jim find that their passion in the bedroom is having prodigious results in the gym! 4 parts 7,180 words Added May 2020 7,620 views 4.6 stars (5 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength

Hank has three choices by Clearlyhere It starts with Drake lusting after his roommate Hank. The real choice lands with Hank. He has three choices on how to use his toy. Unfortunately, it can exceed recommended usage. 4 parts 4,694 words Added Jun 2020 11k views 4.6 stars (5 votes) •Cock Growth•Cock Shrinking•Huge Cock•Straight to Gay•Muscle Breast•Muscle Growth•Size Decrease•Dom/Sub•Dildos/Toys

Hashtag by screamingmoist Troy downloads the Facets app and opens up a world of possibilities. 4 parts 14k words Added Feb 2023 Updated 4 Mar 2023 9,417 views 4.6 stars (5 votes) •Cock Growth•Cock Shrinking•Butch-to-Fem•Getting Dumber•Other Mental Changes•Straight to Gay•Muscle Growth•Butt Growth•Transformation•Size Decrease•App•Retcon •M/M•M/M/M

Leg transformation by Andrew James A horny guy with a prosthetic leg wonders what it would be like if his stump were turned into a huge cock. Much to his shock and delight, he gets to find out. 1,299 words Added Jan 2018 7,128 views 4.6 stars (5 votes) •Huge Cock•Amputation•Transformation

The machine by WordShop In an era where new technology arrives every day, sometimes there are little headaches. On the other hand, as someone once said, “Too much of a good thing can be wonderful.” 2 parts 3,388 words Added Sep 2018 6,399 views 4.6 stars (5 votes) •Cock Growth

Maple Bar by Tym Greene Three friends go to a new bar in town, but as they drink they change, and as they change they drink, and soon they exchange Old Glory for l’Unifolié as their humanity becomes a little more…animalistic. Not that any of them notice anything… 3,792 words Added Dec 2021 4,062 views 4.6 stars (5 votes) •Huge Cock•Muscle Growth•Transformation•Human to Animal/Anthro•Anthro/Furry•Anthro/Scaly •M/M•M/M/M/...

Muscle lab by Unknown 3,198 words Added Jul 2002 18k views 4.6 stars (5 votes) •Muscle Growth•Muscle/Strength

Pan-Galactic Human Fan Club by bluesuedewho Super-straight dude Charley gets abducted by a bunch of human-loving alien hunks. The beefy space bros keep telling him that humans are all naturally obsessed with sculpted muscles and huge dicks, but that’s crazy talk. So what if Charley occasionally slips away to jerk off to the thought of servicing giant alien dicks? That’s totally normal, right? 5,323 words Added Jul 2021 3,706 views 4.6 stars (5 votes) •Huge Cock•Other Mental Changes•Straight to Gay•Muscle/Strength•Plausible Size Difference•Aliens•Androids/Cyborgs

The perfect man by Seth Peterson Finding out what your friend thinks is hot can lead to some amazing and unexpected results. 1,907 words Added Feb 2016 24k views 4.6 stars (5 votes) •Muscle Growth•Muscle/Strength•Foot Growth•Size Increase•Hair Growth/Getting Hairy•Anthro/Furry

The power of suggestion: School library by BRK Jason suggests his suggestion abilities onto Kevin, only neither of them are aware of it. 1,651 words Added Feb 2009 21k views 4.6 stars (5 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Three Legs•Multipec•Muscle/Strength•Increased Libido•Size Increase•Retcon•Suggestion•Complete

The ski trip by Allan Cedar A group of multilimb guys get to know each other better in a secluded ski cabin. 2 parts 4,768 words Added Mar 2013 11k views 4.6 stars (5 votes) •Multicock•Multiarm•Multilimb•Incest•Twins •M/M•M/M/M

University admythion by Tym Greene It’s 1958, and a new university student is getting ready for his first day of classes…too bad he read that old spellbook his father gave him… 11k words Added Nov 2021 7,796 views 4.6 stars (5 votes) •Public Orgasm•Multihead•Muscle Growth•Public Nudity•Belly Growth•Transformation•Size Decrease•Size Increase•Human to Animal/Anthro•Getting Fatter•Retcon•Merging•Anthro/Furry•Centaurs•Anthro/Scaly•Dragons•Ogres•Supernatural•Early/Mid 20th Century •M/M•M/M/M

Winter potluck by brazboy Six friends who haven’t seen each other since the onset of the pandemic finally gather for a big thematic potluck! Everyone brings something to share, but some items are fresher than others… 3 parts 8,299 words Added Jul 2021 Updated 17 Jul 2021 9,755 views 4.6 stars (5 votes) •Cock Shrinking•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Prehensile Cock•Nipple Emissions•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Plausible Size Difference•Tailcock•Set during the Pandemic

Basso profundo by BRK Andrew hates how puberty had been a lot kinder to his studly, alpha male jock roommates. Even his voice is higher. All that changes with a belated puberty upgrade—especially the part about his voice. 2,030 words Added Jan 2021 21k views 4.5 stars (24 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Voice Deepening•Hair Growth/Getting Hairy•Suggestion•Mind Control •M/M

The intern’s curse by BRK A cocky lawyer’s son makes an ill-judged joke, and unfortunately he does it front of someone with the ability to make it literally true. 1,370 words Added Jun 2019 18k views 4.5 stars (24 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Nonconsensual change•Complete •M/M

John the wizard by RdyRoger John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. 7 parts 24k words Added Dec 2017 Updated 7 Sep 2019 42k views 4.5 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Foot Growth•Getting Handsomer•Gradual Change•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Suggestion•Witch/Warlock/Wizard •M/M

Second service by Marquis de Rent A man out for his Friday night carousing runs into his ex. He expects some casual sex but gets more than he thought. 3,959 words Added Feb 2017 21k views 4.5 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Nonconsensual change •M/M

Admiring the changes by Josh Barrett After months of hardly any progress at the gym, Alex finds a strange stone that makes him into what he’s always wanted to be. 1,973 words Added Jun 2014 29k views 4.5 stars (21 votes) •Muscle Growth•Muscle/Strength

Bulking by Proteus Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. 6 parts 7,143 words Added Mar 2013 55k views 4.5 stars (21 votes) •Muscle Growth•Muscle Gut•Muscle/Strength•Butt Growth•Gradual Change•Hair Growth/Getting Hairy •M/M

Chris olympus by FanTCMan 3 parts 9,167 words Added Dec 2002 40k views 4.5 stars (21 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son

Four for the game by Clearlyhere Four jocks play a body changing game. 2,962 words Added Feb 2017 22k views 4.5 stars (20 votes) •Cock Growth•Cock Shrinking•Huge Cock•Muscle Growth•Muscle/Strength•Getting Handsomer•Size Increase•Incest•Brothers•Body Swap

Frat hunting by hyperboi A pair of twins with the ability to alter themselves and the world around them have some fun tailoring one of the frats to meet their needs. 1,543 words Added Jul 2013 31k views 4.5 stars (20 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins •M/M•M/M/M/...

Rock and roll by BRK When you make a wish on a magic rock to be able to change people, make sure you make yourself aware of the effects. 3 parts 3,100 words Added Sep 2010 29k views 4.5 stars (20 votes) •Cock Growth•Hyper Cock•Multi-abs•Multicock•Multihead•Multilimb•Getting Taller•Size Increase•Mouthcock•Suggestion•Complete

The test subjects by Azerreza When Doctor Krakovski was asked to recreate the super-soldier serum, Ryan though at first it was a joke. The initial attempts were total failures. About to abandon the project, they received from the high command a strange blue goop. The next experiments were a real success! It was time to move on to the last phase: experimentation on a human. Now, it just remained to find the ideal test subject. 2 parts 18k words Added Jun 2022 Updated 2 Jul 2022 15k views 4.5 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Multi-abs•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Destruction/Violence •M/M

Grow lamp 2: Peter principle by Dream Big Peter Chang, now taller, thickly muscled, and prodigiously hung thanks to Jeremy and Tom’s impossible grow lamp, now must get used to the attention his new body draws… and the unexpected after-effects of his exposure to the lamp’s mysterious growth magic. 15 parts 24k words Added Jul 2018 Updated 3 Nov 2018 28k views 4.5 stars (19 votes) •Cock Growth•Huge Cock•Muscle/Strength•Getting Taller•Hyper Pheromones •M/M

Anything to grow by Big Bull Trainer There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person. 7,815 words Added Aug 2016 47k views 4.5 stars (18 votes) •Getting Dumber•Immobility•Muscle Growth•Muscle/Strength•Transformation•Size Increase

Cursed compression top by Rurik A cursed compression top will transform its wearer beyond his wildest dreams. 3 parts 3,136 words Added May 2020 Updated 27 Jun 2020 14k views 4.5 stars (17 votes) •Muscle Growth•Transformation•Body Suit•Symbiotes •M/M

The hand-off by BRK Joey enjoyed hanging out in the corporate café-style break room, just in case Tim from Major Accounts stopped by and Joey got to see his amazing butt. What Joey didn’t know was how Tim got that butt, and what that might mean for Joey. 2,158 words Added Feb 2022 5,894 views 4.5 stars (16 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Tongue Growth•Retcon•Suggestion•Complete •M/M

The apartment by BRK Sometimes what you need in a new apartment has more to do with what’s missing in your life. 3,385 words Added Apr 2020 13k views 4.5 stars (15 votes) •Cock Growth•Huge Cock•Other Mental Changes•Muscle Growth•Getting Taller•Retcon•Complete •M/M

Cuuuurse! by Ziel Boyfriends Alex and Reuben are subjected to a curse that grows them into long-tongued double-cocked muscular naga. Ask them if they mind. 7,618 words Added Oct 2014 23k views 4.5 stars (15 votes) •Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Tongue Growth•Anthro/Scaly•Naga •M/M

The four jocks: At the lake by BRK When Dane and his brother Sean go on a celebratory road trip after finishing college, Sean's best friends, the Fernandez twins, naturally tag along. But their trip takes a strange turn right out of the gate, not least thanks to a game the guys find in their room at the lakeside bed and breakfast. 5,950 words Added Jul 2017 14k views 4.5 stars (15 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins•Complete •M/M•M/M/M/...

An overwhelming Friday by Houndfiend Pecos has had a difficult few days as he struggles to come to terms with an overwhelming and very surprising new addition.  2,343 words Added Oct 2023 3,531 views 4.5 stars (15 votes) •Cock Growth•Huge Balls•Ball Growth•Self-suck•Cum inflation•Cum Milking•Hyper Cum•Addiction•Transformation•Human to Animal/Anthro•Hair Growth/Getting Hairy•Werewolves •M

Payback by muscl4life After being betrayed by his bodybuilder boyfriend, Leo stumbles on an acquaintance with a wizard who claims to want to help him get even. 2 parts 9,659 words Added Jun 2018 25k views 4.5 stars (15 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle Theft•Muscle/Strength•Giants•Plausible Size Difference•Size Increase•Nonconsensual change •M/M

The roommate’s gift by Josh Barrett John’s new roommate has decided to help John grow using a special supplement, but John wants to help himself. 2,127 words Added Oct 2014 19k views 4.5 stars (15 votes) •Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy

A stranger’s fantasy by mf81 An ordinary guy’s normal bus commute is disrupted when an extremely hunky man sits next to him and starts talking about his fantasy. 2,646 words Added Feb 2022 6,310 views 4.5 stars (15 votes) •Cock Growth•Muscle Growth•Suggestion •M/M

The berries down by the creek by Krisiar Jack hangs out with his friend and crush, Kurt, which leads to an encounter with a bush sporting some unusual berries. 3,567 words Added May 2011 53k views 4.5 stars (14 votes) •Cock Growth•Hyper Cock•Prehensile Cock•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Size Increase

Business trip by BeefyDutch Bill is a hardworking guy who travels. Before he leaves for his current trip, his coworker André slips some of his new protein supplement into his coffee with some big side effects. 7,889 words Added Aug 2021 15k views 4.5 stars (14 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Belly Growth•Getting Taller•Size Decrease•Getting Fatter

The hotel room by Animus A stolen pair of undershorts leads unexpectedly to Taylor taking over someone else’s life. 6,960 words Added Apr 2003 15k views 4.5 stars (14 votes) •Body Swap •M/M

Let’s play a game by Musclesaber Four men wake up in spandex body suit with a familiar board game laid out in front of them, only to mind a masked man willing to fulfill their wildest dreams if they're willing to play. 1,999 words Added Nov 2023 5,831 views 4.5 stars (14 votes) •Cock Growth•Muscle Growth•Butt Growth•Forced Growth•Size Increase•Stories with Images •M/M•M/M/M/...

Roommate juice by TheSizeKing Jacob, a nerdy and skinny college student, gets randomly assigned to live with a transfer student his junior year. Braden, the transfer, makes quite an entrance on move-in day.  1,640 words Added Dec 2023 8,517 views 4.5 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Dom/Sub •M/M

Swap meat by BRK Moving into their new home, Pete and Cam discover the previous owner left something behind that allows them to enjoy each other in a whole new way. 2,355 words Added Dec 2018 14k views 4.5 stars (14 votes) •Cock Growth•Cock Shrinking•Huge Cock•Self-suck•Getting Taller•Size Decrease•Size Increase•Hyper Tongue•Dildos/Toys•Complete •M/M

The cock by BRK Waking up after sex with Steve is a little disorienting. He’s lying on top of his lover from the night before—because he’s now Steve’s cock. 2 parts 3,263 words Added Oct 1997 25k views 4.5 stars (13 votes) •Huge Cock•Human to Cock •M/M

Look what thinking can get you by Louis C. DePasquale After an accident on the field playing baseball, a young man gains the ability to hear thoughts—and maybe more. 1,628 words Added Jun 2012 20k views 4.5 stars (13 votes) •Muscle/Strength•First Time/Virgin•Incest•Brothers•Mind Control •t/t

Meet and greet by BRK Wayne, excited to finally come face-to-face with his favorite kpop idol, is startled by the intensity of their encounter. 2,662 words Added Feb 2023 4,743 views 4.5 stars (13 votes) •Cock Growth•Huge Cock•Multi-abs•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•Retcon•Suggestion •M/M

Muscle crush by BRK Nerdy Vince has a hopeless crush on his hunky coworker, Johnny, which only gets more painful when they have to room together on an extended business trip. Knowing Johnny only hangs with other hunks like himself, Vince unexpectedly finds a way to put on muscle and make Johnny notice him at last. 3,406 words Added Apr 2021 11k views 4.5 stars (13 votes) •Always Hard•Cock Growth•Muscle Growth•Muscle/Strength•Always Shirtless•Complete •M/M

Project Cerulean MX by The Pecman After Michael and Joey discover a secret base in the desert, they start to undergo some changes that are both unsetting and exciting. 17 parts 54k words (#64) Added Jun 2010 Updated 5 May 2017 39k views 4.5 stars (13 votes) •Cut to Uncut•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Size Decrease•Size Increase •M/M

Thrift shop vitamins by RdyRoger Those cheap vitamins I found at the thrift store changed my life. I can’t go back… and I’m not sure I’d want to. 5,924 words Added Nov 2013 23k views 4.5 stars (13 votes) •Cock Growth•Huge Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength •M/M

Twinning by BRK Barry is excited to meet Will’s twin brother. Then he realizes that they can’t just be twins. 3 parts 10k words Added Oct 2002 15k views 4.5 stars (13 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Extra digits•Multicock•Replication•Muscle Growth•Getting Taller•Tongue Growth•First Time/Virgin•Selfcest•Complete •t/t/t

Ahead of his behind by nvb2 1,604 words Added Jul 2009 19k views 4.5 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Multicock•Boytaur•Multiarm•Muscle/Strength•Merging

Big time! by Tyblair 3 parts 4,777 words Added Jul 2002 31k views 4.5 stars (12 votes) •Size Decrease

Curse room by BRK As the landlord’s son, Joey gets to deal with abandoned apartments and whatever might be in them. Usually it’s just junk; but the guy that skipped on unit 12E was deeply weird, and the way he’d looked at Joey before was more than a little scary. 2,828 words Added Apr 2022 7,313 views 4.5 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Multi-abs•Multiarm•Multilimb•Muscle Growth•Getting Taller•Plausible Size Difference•Infectious •M/M

Davey and the Donaldsons by BRK Davey, a high-spirited young twunk, decides to cheer up a forty-something couple he meets at a happening bar the night of his 25th birthday. 2,471 words Added Feb 2023 4,747 views 4.5 stars (12 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Suggestion•Age Difference •M/M/M

Dude, look what I found! by Alex Anders Some frat bros find a genie and end up surprising the fuck out of it. 8 parts 7,567 words Added Mar 2022 Updated 31 Dec 2022 15k views 4.5 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Prehensile Cock•Extra facial features•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitongue•Replication•Wristfeet•Straight to Gay•Public Nudity•Transformation•Size Decrease•Size Increase•Mouthcock•Selfcest•Djin/Jinn/Genie •M/M•M/M/M/...

New neighbors by BRK Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late. 2 parts 11k words Added Jan 2016 Updated 23 Nov 2019 19k views 4.5 stars (12 votes) •Huge Cock•Multicock•Age Difference•Incest•Father/Son

Titanification by JayPat 8 parts 30k words Added Oct 2012 41k views 4.5 stars (12 votes) •Huge Cock•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Giants•Size Increase•Destruction/Violence

Alex and the giant by JB Alex finds himself irresistibly attracted to a man who can change his size at will. 4,284 words Added Jan 2019 20k views 4.5 stars (11 votes) •Giants•Plausible Size Difference•Size Decrease•Size Increase

Alien gym bro by SuperBlimp A mysterious and enormous stud shows up at Jessie’s gym, but there’s something not quite human about the hulking gorgeous man.  4,413 words Added Nov 2023 6,629 views 4.5 stars (11 votes) •Huge Cock•Cum inflation•Replication•Muscle Growth•Male Pregnancy•Transformation•Size Increase•Inflation•Nonconsensual change•Aliens •M/M•M/M/M

Blooming season by brazboy Heitor is a member of a sexual minority looking for an accommodating place in which to live downtown—hard to do on a budget. Thankfully, Samuel is looking for someone to share the bills with, and is also a member of a different sexual minority which has its own set of challenges. Living together will prove to be more engaging than either of them had in mind. 8,442 words Added Oct 2021 8,000 views 4.5 stars (11 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Muscle/Strength•Increased Libido•Getting Fatter•First Time/Virgin•Hyper Pheromones •M/M

Brother’s closet by Josh Dugan A handsome athletic older brother offers somewhat more than expected. 962 words Added May 2002 24k views 4.5 stars (11 votes) •Lots of Legs•Multileg•Multilimb•Replication•Detachable•Incest•Brothers•Selfcest •t/t

Special deposit by Moi Auci A college kid turns to sperm donation to raise some quick cash, but an odd turn of events leads to a transformational experience at the sperm donation lab and no desire to return to college. 1,981 words Added Apr 2019 15k views 4.5 stars (11 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Human to Cock•Cock Body•Hyper Cock•Hyper Cum•Transformation

The transform center by Zboro Seb gets ahold of a business card for a strange place called Transform Center, after hearing a stranger at the gym talk about how big he’d gotten. Can it be for real? And what was all that about fantasy creatures? 7 parts 28k words Added Jul 2017 Updated 29 Sep 2017 24k views 4.5 stars (11 votes) •Huge Cock•Hyper Cock•Multi-balls•Multicock•Multiarm•Multilimb•Six Legs•Replication•Wings•Muscle/Strength•Transformation•Voice Deepening•Human to Animal/Anthro•Selfcest•Anthro/Scaly•Dragons•Flying •M/M

Finding destiny by FanTCMan Kyle and Derek embark on their quest for muscle, aided by gym owner Mike. 6,537 words Added Apr 2005 16k views 4.5 stars (10 votes) •Addiction•Muscle Growth•Muscle/Strength•Gradual Change•Hair Growth/Getting Hairy•Nonconsensual change •M/M

The real you by MegaMaker Today is Adam’s birthday, and his longtime boyfriend Eddie doesn’t want to give him the gift he’s been asking for. 3,057 words Added Jan 2023 8,734 views 4.5 stars (10 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Butt Growth•Increased Libido•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Shapeshifting•Complete •M/M

A special catch by ZeroZeroNull What was supposed to be a young man's peaceful evening spent playing video games turned to be a lot more different than what he could have ever expected... 5,181 words Added Dec 2019 12k views 4.5 stars (10 votes) •Cock Growth•Self-suck•Muscle Growth•Belly Growth•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Getting Fatter •M

Angelo and Adrian by WordShop Genius Angelo and sweet Adrian are both scarred by their pasts. Angelo has to accept change in his life, and accidentally, without intending it, Adrian is forced to accept a new life for which he is not at all prepared. 9 parts 43k words (#89) Added Oct 2017 Updated 11 May 2018 26k views 4.5 stars (8 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Gradual Change•Hyper Pheromones•Infectious •M/M

Bedmate by BRK Ardo passes out in a hospital but wakes up in a strange bed in a comfortable, if empty, room. And there’s a odd figure of a man looming in the doorway, waiting for him to wake up. 2 parts 6,248 words Added Sep 2016 12k views 4.5 stars (8 votes) •Multicock•Multiarm•Multilimb•Muscle/Strength•Getting Taller •M/M

Crisis in Carraido by BRK When a strange institution comes to town in a remote valley community in the Rockies, the locals are put off by the newcomers’ aloofness. But when things go wrong in the strangers’ compound, rancher Kevin and his sheriff’s deputy best buddy Pauly find out just how weird things are up there. 4 parts 11k words Added Apr 2016 Updated 9 Dec 2016 9,738 views 4.5 stars (8 votes) •Huge Cock•Multilimb•Replication•Detachable•Selfcest •M/M•M/M/M

The cum factory by UberPump A young man and his wife expand the boundaries of what it means to be a cum factory. The young stud, forced to drink the mysterious protein shake over and over again, finds it erotic to see his balls swell as a side effect. This eggs his girl to force him to drink more and push his balls to their limits. 1,465 words Added Jan 2021 13k views 4.5 stars (8 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Hetero Sex

Daddy muscle by Richard Jasper When Roger’s daughter is born, he decides it’s time to grow some serious muscle. He succeeds beyond his wildest dreams. It’s the Circle of Life! 7,446 words Added Apr 2020 11k views 4.5 stars (8 votes) •Muscle Growth•Muscle/Strength•Age Difference

A day in the life of a pregnant gay couple by JKL A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed. 839 words Added May 2021 8,391 views 4.5 stars (8 votes) •Always Hard•Huge Cock•Muscle Breast•Muscle/Strength•Male Pregnancy•Incest•Twins

Death and rebirth by NioSatyr Being a menace towards nature is not that great to begin with, but what happens when it strikes back? 2,521 words Added Oct 2021 13k views 4.5 stars (8 votes) •Always Hard•Cock Vore•Huge Balls•Huge Cock•Human to Cock•Hyper Cock•Self-suck•Always Cumming•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Increased Libido•Transformation•Getting Taller•Giants•Size Increase•Nonconsensual change•Vore•Absorption•Satyrs •M/M•M/M/M

Hard5 by BRK Just before his debut as a replacement performer in an up-and-coming boy band, Ian discovers they have a strange backstage ritual with some very unexpected effects. 4,124 words Added Jun 2021 7,639 views 4.5 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Multihead•Multiarm•Multipec•Stacking•Hyper Muscle•Muscle Growth•Muscle/Strength•Transformation•Hair Growth/Getting Hairy•Complete •NS

Hidden passages by screamingmoist A magical book finds its way to a new author. 5,254 words Added Apr 2022 10k views 4.5 stars (8 votes) •Cock Growth•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Always Shirtless•Butt Growth•Increased Libido•Getting Handsomer•Transformation•Retcon•Mind Control •M/M

In the sack by Neltharion5 Brian finds a magical backpack that uses magazines as fuel to transform him. Soon, he realizes that his enhancements are sexually contagious, making his sex partners hotter. What else will he discover about the magic sack? 3,526 words Added Mar 2017 13k views 4.5 stars (8 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Infectious

Jones prep by BRK Sean is nervous about fitting in at Jones Prep, especially since the guys there are so muscular and beautiful. Fortunately, there’s a way to induct new guys into their special kind of student body. 3,432 words Added Apr 2003 14k views 4.5 stars (8 votes) •Muscle Growth•Muscle/Strength •M/M•M/M/M/...

A legal contract for services to be rendered by BRK The responsibilities of the undersigned assistant shall begin with, but not be limited to, the carrying around of the employer’s gigantic cock. 1,337 words Added Aug 2021 7,210 views 4.5 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle Growth•Public Nudity•Increased Libido•Getting Taller•Size Increase•Complete •M/M

Matt and his dad by Meddler Incs When Matt comes home to visit his dad, he is forced into being part of The Crew. 3,343 words Added Jun 2020 16k views 4.5 stars (8 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Father/Son•Nonconsensual change•Symbiotes•Hypnosis •M/M

The pills by Hexxian Even when you’ve accepted that you’re small and won’t get any bigger, you might still try the pills from the random email spam. What could happen? 2,927 words Added Jan 2013 26k views 4.5 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Size Increase

Snafrahojet and the too-hung jock by BRK Gene has a problem. His big cock tends to get boned up at embarrassing times, especially when he sees another hot and hunky jock at the gym. Then a strange-looking wooden idol provides an unexpected solution. 2,457 words Added May 2020 6,829 views 4.5 stars (8 votes) •Huge Cock•Mouthcock•Complete •M/M

Tales of a growing teen by NBCK99 Teen giant Drew outlines the perks and struggles of being larger than life in his blog. 2 parts 3,987 words Added Dec 2015 38k views 4.5 stars (8 votes) •Huge Cock•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase

Triggrow by Diablo11d The temptation to sneak a bit of your doctor’s secret supply of growth pills is always going to be impossible to resist. 3,431 words Added Oct 2005 23k views 4.5 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Size Increase •M

Twin workout by pkak2k12 Mr. Average Charlie joins the gym only to find the only other early customers are Hank, the strong silent hunk from class and his twink twin, Jamie. Which will Charlie go for—Hank, Jamie, or both? 5 parts 6,612 words Added Nov 2022 Updated 7 Jan 2023 6,441 views 4.5 stars (8 votes) •Huge Cock•Muscle/Strength•Incest•Brothers•Twins•Complete •M/M/M

Vignette: Mouth by BRK Your wish to be constantly tasting rock-hard cock might be granted in an unexpected way. 2 parts 1,840 words Added Mar 2017 Updated 5 Jan 2018 11k views 4.5 stars (8 votes) •Huge Cock•Mouthcock

What’s yours is mine by Ziel When it comes to the superpower lottery, there a some abilities that are pretty much guaranteed to turn you into a supervillain. 6,698 words Added Mar 2020 20k views 4.5 stars (8 votes) •Cock Growth•Cock Shrinking•Muscle Theft•Size Decrease•Size Increase•Humiliation•Superhero/Supervillain

Climax doesn’t always mean release by BRK Jared is pretty much an expert at sucking himself off and producing a super-intense orgasm doing it. Which is good considering how much he needs to cum these days, especially if he’s watching the hunky guys who play basketball on the outdoor court under his apartment window. 2,048 words Added Oct 2021 6,312 views 4.5 stars (6 votes) •Huge Cock•Self-suck•Muscle/Strength •M•M/M/M/...

Clowning around by screamingmoist A group of arrogant young men get a surprise visit, but it’s no laughing matter. 3,664 words Added Aug 2022 7,645 views 4.5 stars (6 votes) •Cock Growth•Muscle Growth•Butt Growth•Transformation•Inflation •M/M•M/M/M

Cock tongue fun by lock444 Charlie’s mischievous friend Mike discovers Charlie’s brother has a magical device that turns tongues into cocks. 2,412 words Added Jun 2013 15k views 4.5 stars (6 votes) •Mouthcock•Incest•Brothers

Crafting my cousin by Fallon Ives Yusef’s cousin Hadi introduces him to a new game with a surprisingly detailed character creator. Might as well go wild with it, right? When Hadi hacks the game, however, changes made to their characters start to have strange effects on the real world. 7,243 words Added Feb 2022 10k views 4.5 stars (6 votes) •Cock Growth•Cock Theft•Muscle Growth•Transformation•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Race/Ethnicity Change•Getting Fatter•App•Orcs•Fantasy Realm •M/M

The curious case of the crystal falcon by Ziel A new furry/hyper/muscle murder mystery from Ziel! 5,786 words Added May 2014 14k views 4.5 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Anthro/Furry

The doctor’s delight by FanTCMan Tyler's new doctor has a plan for his growth. 5 parts 6,439 words Added Aug 2002 23k views 4.5 stars (6 votes) •Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy

A filling experience by Lionel E. Linklander Carlos has become victim to a cum-and-dump party.  He’s taken a bunch of small loads already when six men show up at the party with huge dongs and swelling balls.  Can Carlos take all the cum these men have, or will he explode like some cheap cum balloon?  3,019 words Added Aug 2023 6,479 views 4.5 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Immobility•Belly Growth•Size Increase•Inflation•Incest•Brothers•Humiliation•Complete •M/M/M/...

Footlong by weirdboys Jesse, a gay college student with a major foot fetish, has his ultimate fantasy fulfilled. 2,547 words Added May 2019 8,492 views 4.5 stars (6 votes) •Always Hard•Footcock•Transformation

The four jocks: Adversaries by BRK The Game takes a darker turn when two pairs of antagonistic athletes challenge each other in a deserted room on Halloween night. 2 parts 8,546 words Added Oct 2022 5,542 views 4.5 stars (6 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Other Mental Changes•Straight to Gay•Muscle Growth•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Size Decrease•Size Increase•Halloween•Complete •M/M

Friendship by muscl4life 4,143 words Added Nov 2014 25k views 4.5 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase

Huge loads by Ziel It seems like dirty clothes aren’t the only huge loads at this laundromat. 5,282 words Added May 2017 22k views 4.5 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum

Keep your promises by NioSatyr A rock band has risen to fame overnight, although not through conventional means. When the lead singer decides to not uphold their promise to the mysterious person responsible, things start to go out of control on the night of their big concert. 7,703 words Added Sep 2021 13k views 4.5 stars (6 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Human to Cock•Cock Body•Hyper Cock•Nipcocks•Self-suck•Always Cumming•Hyper Cum•Nipple Emissions•Public Orgasm•Multi-balls•Multicock•Multiarm•Multilimb•Multipec•Stacking•Wings•Hyper Muscle•Muscle Breast•Muscle Growth•Public Nudity•Pointy Ears•Stretchy•Increased Libido•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Human to Animal/Anthro•Tailcock•Nonconsensual change•Merging•Anthro/Furry•Anthro/Scaly•Dragons•Demons•Satyrs•Supernatural•Flying•Alcohol •M/M•M/M/M/...

Like summer rain by Cockatrice Andrew and Clement are in a happy relationship, until Clement meets Andrew’s friends… 6,392 words Added Jul 2022 3,313 views 4.5 stars (6 votes) •Human to Cock•Transformation•Merging •M/M

The merger by Richard Jasper When wannabe musclebear Rik Farnsworth and sexy twink Ryan Steinmetz finally get together, something surprising ensues! 2,481 words Added Jun 2020 6,715 views 4.5 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Merging

The misadventures of Patrick Paley and his patented pocket particle accelerator by BRK Soccer bro Rey made a big mistake letting his physics tutor, Patrick, use his weird science gizmo on him, but Patrick seems willing to make things right. 1,747 words Added Oct 2022 5,076 views 4.5 stars (6 votes) •Cock Growth•Cut to Uncut•Cock Theft•Cockless•Huge Balls•Ball Growth•Huge Cock•Multicock•Nonconsensual change•All Dialog•Complete •M/M

A new start by FanTCMan 3,694 words Added Feb 2003 21k views 4.5 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change

No angels by BRK Jerry likes his job covering the front desk alone overnight at a nice hotel, especially when a handsome customer checks in and piques his imagination. 5,202 words Added Oct 2023 2,934 views 4.5 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Multicock•Multileg•Multilimb•Three Legs•Muscle Growth•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Retcon•Incest•Brothers•Twins•Nonconsensual change•Invisibility•Complete •M/M

The quiet one by BRK Spencer is mortified when his tongue starts responding to his arousal just like a cock—but that doesn’t stop him enjoying the results. 4,638 words Added Sep 2019 5,713 views 4.5 stars (6 votes) •Mouthcock•Complete •M/M

Saligia by Tor Sovik Saligia has been waiting for eons, and only myths and stories remain in what literature is remaining today. Darius unwittingly wanders into Saligia’s cave, unleashing the terror that broke the world, and twisted man to depravity. 917 words Added Dec 2016 8,389 views 4.5 stars (6 votes) •Huge Cock•Muscle/Strength•Size Increase•Fantasy Realm

Wordplay by BRK Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. 6,910 words Added Aug 2015 16k views 4.5 stars (6 votes) •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins •M/M•M/M/M

4.0+ Stars 382

Hard body by Also Known As Uncannily attractive and hunky teenager John is sent to the latest in a string of health professionals over his unusual condition: he’s always horny, and it affects his body in a very unusual and highly provocative manner. 16 parts 83k words (#32) Added Oct 2016 Updated 6 Aug 2022 92k views 4.5 stars (103 votes) •Cock Growth•Huge Balls•Huge Cock•Prehensile Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Transformation•Size Increase•Dom/Sub •M/M•M/M/M

Baby brother by Shawn D. Stewart "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! 2,879 words Added Mar 2003 126k views 4.5 stars (42 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers

Practice by Massim0 Andrew is tired and covered in mud after cleaning up his team’s sodden footie pitch after a long, sodden practice. All he wants is to slough off the muck in the team’s dilapidated showers… and, all right, maybe sneak in a secret wank while he’s at it. While he’s in the changing rooms alone, though, he comes across a most unexpected piece of equipment. 6 parts 14k words Added Apr 2018 Updated 1 Jun 2018 35k views 4.5 stars (40 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum

The elevator ride by BRK Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. 3 parts 5,689 words Added Feb 2020 Updated 12 Mar 2022 17k views 4.5 stars (36 votes) •Cock Growth•Huge Cock•Self-suck•Extra digits•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Handsomer•Getting Taller•Tongue Growth•Retcon•Suggestion•Selfcest•Bisexual•Gay Pride•Shapeshifting•X-Ray Vision•All Dialog•Complete •M/M•M/M/M

God mode by BRK Usually in video games, “god mode” is a way for programmers to test features and bug fixes without having to go the long way around. Sometimes, though, it’s exactly what it says on the tin. 2 parts 5,430 words Added Apr 2021 Updated 17 Sep 2022 14k views 4.5 stars (27 votes) •Cock Growth•Extra digits•Multicock•Muscle Growth•Pointy Ears•Getting Taller•App•Retcon •M/M

I wanna get huge by JayPat “I wanna get huge,” he said. 2 parts 21k words Added Oct 2012 62k views 4.5 stars (26 votes) •Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Christmas•Valentine’s Day •t/t

Training Tony by BRK A magnetically sexy young Italian man is about to enter a new life as a firefighter, except he and his devoted friends are sidetracked by the disappearance of his friend Frankie. 2 parts 8,640 words Added May 2014 25k views 4.5 stars (26 votes) •Cock Growth•Huge Cock•Human to Cock•Hyper Cock•Multicock•Straight to Gay•Muscle/Strength

Changr pill party by matt1008 Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations. 6 parts 11k words Added Jul 2015 40k views 4.5 stars (25 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Inflation•App

Medicine show by Fafhrd and Longbow9 Underendowed College student Terry comes in contact with a mysterious “extension cream” that turns out to be the real thing. Soon, he and his male and female friends are transforming themselves, and some are unable to stop. 174 parts 250k words (#2) Added Feb 2012 Updated 22 Feb 2014 215k views 4.5 stars (25 votes) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Self-suck•First Time/Virgin•Bisexual•Hetero Sex•Lycra/Spandex•Infectious •M•M/M•M/F•M/F/F•M/M/F

A day at the park by frooooooo Chris and Phil are wandering the park eager to join a couple cute guys together, when they see the perfect candidates. 1,793 words Added Nov 2014 14k views 4.5 stars (22 votes) •Multihead•Nonconsensual change•Merging •M/M

Grrrroooowwwwing by Kaelan Kevin finds Bryan on Tinder, but doesn’t realize that he’s a special man who can help him realize his dream to continuously grow bigggggeeerr 3 parts 6,272 words Added Jan 2018 Updated 9 Mar 2018 36k views 4.5 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Nonconsensual change •M/M

Just another ordinary day by YellowJester When someone with quite the ambition gets a hold of a reality altering device yet another ordinary day can become anything but. 1,957 words Added Sep 2022 7,765 views 4.5 stars (20 votes) •Cock Growth•Straight to Gay•Muscle Growth•Getting Handsomer•Getting Taller•Size Increase•Retcon •M/M

The Zeke chronicles by Sean Reid Scott Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger. 7 parts 28k words Added Jul 2013 Updated 19 May 2017 50k views 4.5 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Taller•Age Difference•Incest•Father/Son•Dom/Sub •M/M•M/M/M

Dickville by OneLuckyGuy89 Rodney Finnegan and his four boys arrive in a Florida marshland town named Dickville. And it doesn’t take them long to figure out how it got that name. 2 parts 5,446 words Added Apr 2022 Updated 16 Apr 2022 14k views 4.5 stars (19 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Man Scent•Butt Growth•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Father/Son •M/M•t/t

Muscle memory by LuvsMusl After an infection damages his memory Cody starts getting bigger at the gym, pushing himself to get as big as he seems to remember he used to be. Only his memory is playing tricks on him, and Cody’s admiring muscle hunk roommate Mike, too. 3,116 words Added Oct 2014 13k views 4.5 stars (19 votes) •Muscle Growth•Muscle/Strength•Cannabis

Alpha Mike and his alpha bro by Eric Aaldersen Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! 5,437 words Added Mar 2020 13k views 4.5 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers•Supernatural •t/t

Be careful what you download by Tereshky Tim Ryan learns a lesson about using Instagram filters. Pick to the wrong one and it might change more than your pics. 3,438 words Added Dec 2019 18k views 4.5 stars (17 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Public Nudity•Social Media •M/M•M/M

The guinea pig by JayPat Jeff and Zach score some unconventional workout juice, but since they don’t know its effects they decide to try it out on Jeff’s skinny, picked-on brother, Nate. 5,711 words Added Feb 2019 22k views 4.5 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Destruction/Violence•Nonconsensual change

Craterville by BRK When everyone in town has some kind of power that half the time they aren’t even aware of, the guy whose power is to tell with everyone else’s power is might feel like he’s got the short end of the stick. Sometimes, though, there are ways to make it work for you. 3,363 words Added Mar 2009 25k views 4.5 stars (15 votes) •Cock Growth•Huge Cock•Multicock•Multilimb•Replication•Muscle/Strength•Transformation•Size Increase•Selfcest•Complete •M/M•M/M/M

Doctor Doomsday by Marquis de Rent Somewhere in a carefully observed multiverse, a bodybuilder tests a new device intended to cater to his every size ambition. 1,924 words Added Jul 2017 16k views 4.5 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Size Increase

META jocks by BRK and Jockmorphr Two members of a select fraternity full of superhot, multilimbed guys semi-obliviously compare notes on how their powerful cum promotes changes in their bodies—and, it turns out, each other’s. 4 parts 7,269 words Added Aug 2009 42k views 4.5 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Retcon•Suggestion•Selfcest•Complete

Randy and Roberto by BRK Randy and Roberto are both eager to get into the one remaining slot in Prof. Warren's History of Transformation class. Fortunately, there's a way to get both of them into that sole remaining chair. 1,130 words Added Sep 2010 19k views 4.5 stars (15 votes) •Extra digits•Multicock•Multilimb•Replication•Selfcest•Merging

Tim’s adventure by WordShop Tim finds romance becomes a little more complicated when muscle growth and hypermasculity is involved. 5 parts 35k words Added Jan 2018 Updated 23 Feb 2018 28k views 4.5 stars (15 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Size Increase•Hair Growth/Getting Hairy•First Time/Virgin •M/M

The cock blog by TheSizeKing Patrick was just your average 25 year old guy. He’s just got one secret: he has the world’s biggest dick, and it seems to be getting bigger. 5 parts 8,685 words Added Aug 2020 Updated 17 Oct 2020 17k views 4.5 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Gradual Change •M/M

Gains4Gays by King Dave Ethan Ericson bites the bullet and decides to post his pics online in the hopes he’ll get some tips on how to go from bony to built. The responses to his post aren’t quite what he expected. 2,154 words Added May 2022 8,762 views 4.5 stars (13 votes) •Always Hard•Cock Growth•Muscle Growth•Getting Handsomer•Retcon•Social Media•Nonconsensual change •M/M

Getting more than you bargained for by Tereshky Most people do their growing before the pose-down, but this bodybuilding competition is not what it seems. 2 parts 3,922 words Added Jan 2013 34k views 4.5 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multiarm•Multilimb•Multipec•Stacking•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase •M/M

Magic ass by BRK Shy Dave has an ass that isn’t just amazing—it’s magical, and Joey is determined to make sure he knows it. 1,650 words Added May 2003 18k views 4.5 stars (13 votes) •Cock Growth•Huge Cock•Tongue Growth•First Time/Virgin•Complete

Morphogenic steroids by RdyRoger Rod’s dad is working on a new technology that makes small things bigger and big things huge, with incredible implications for food supplies and beyond—only it only lasts for five hours. Rod figures being bigger for five hours… that would be pretty awesome. 4 parts 15k words Added Oct 2019 25k views 4.5 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Infectious

The Muscles Tech Hotel by TonnyGiant Deciding to take a vacation, Luke happens across a listing for a hotel where the employees and the guests all seem to be gorgeous muscle giants. He registers immediately, wanting to be among men like that, but secretly yearning even more desperately to be just like them. 6 parts 23k words Added Nov 2017 Updated 8 Dec 2017 21k views 4.5 stars (13 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Giants•Plausible Size Difference•Size Increase •M/M•M/M/M

Nature’s bloom by Noam de Pluma Although the hibiscus was in full flower, Vance was not. Fortunately for him, a faery-enchanted clocktower in the Botanical Gardens was about to remedy that problem for him. And his dick. And his muscles. And his… 4,621 words Added Nov 2021 7,641 views 4.5 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Getting Taller•Size Decrease•Hair Growth/Getting Hairy•Retcon•Nonconsensual change •M/M

The acolytes by Richard Jasper It all started with an arm-wrestling contest. Blond surfer god Mike Schnelling, 5’10”, 175 lbs., wanted to take me on. Which was fine but I had 50 lbs. on him, all muscle. We never could have imagined how it would all turn out! 7 parts 8,050 words Added Aug 2020 24k views 4.5 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hair Growth/Getting Hairy •M/M

Alpha fitness by Genetonic High school nerd Jeff keeps getting bullied by muscle jock Travis… until he has a lucky encounter with the new ‘Alpha’ brand clothing line. 2,712 words Added Mar 2021 20k views 4.5 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Foot Growth•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Humiliation

Army experiment by BRK When a secret military experiment produces a company of augmented and multilimbed soldiers and locks them up, it’s up to a select crew of outsiders to infiltrate the base and set them free. 5 parts 4,614 words Added Jul 1997 21k views 4.5 stars (11 votes) •Multicock•Multiarm•Multileg•Multilimb•Complete •M/M•M/M/M/...

The big college roommate by MaxMorphs A story about a big ex-jock who turns himself into an actual whale! 3,856 words Added Jan 2024 5,652 views 4.5 stars (11 votes) •Cock Growth•Multicock•Belly Growth•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Vore •M/M

Body game: Encounter 1000 by NBCK99 For the milestone thousandth encounter, six body game alumni bring their already-transformed bodies to the circle, and discover what the game’s like the second time around. 4,647 words Added Oct 2018 9,565 views 4.5 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Detachable•Giants•Plausible Size Difference •M/M•M/M/M/...

Gym story by Kisho Nakamura Alex decides to join a gym. One of the trainers there provides him with something that may aid in his development. 4,464 words Added Jul 2009 24k views 4.5 stars (11 votes) •Cock Growth•Huge Cock•Cum inflation•Muscle Growth•Muscle/Strength•Hyper Anus •M/M

The manual by MainAttraction Follow the directions carefully for the use of the three-stage ENH-Serum Ekto, customized especially for you for maximum physical improvement in all categories. 1,278 words Added Sep 2019 10k views 4.5 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase

Mr. Rainbow Hair by iHeywood In this one-shot story, the lead singer of a gay pop/punk band meets a twink at a concert. They end up fucking. 3,220 words Added Sep 2022 3,515 views 4.5 stars (11 votes) •Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Incest•Brothers•Twins •M/M•M/M/M

A warm feeling inside by Nightingale Adrian meets his new roommate, and right from the start he gets a warm feeling inside. 1,846 words Added May 2020 17k views 4.5 stars (11 votes) •Cock Growth•Huge Cock•Cum inflation•Hyper Cum•Multi-abs•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase•Retcon •M/M

Spice by Mr. X and Mad Dog In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. 50 parts 221k words (#4) Added Oct 2009 Updated 9 Nov 2019 237k views 4.4 stars (62 votes) •Cock Growth•Huge Cock•Other Mental Changes•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Supernatural•Gay Pride•Alcohol •M/M•M/M/M

Forced growth by hyperboi Tyler wakes up trapped in a room where everything seems geared toward forcing him to become bigger, stronger, and sexier. 5 parts 6,397 words Added Oct 2013 132k views 4.4 stars (54 votes) •Cock Growth•Cock Pumping•Huge Cock•Hyper Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Forced Growth•Nonconsensual change •M

His brother drains his manhood by Ballmeat A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. 2,593 words Added Jan 2018 70k views 4.4 stars (49 votes) •Cock Growth•Cock Shrinking•Cock Theft•Dom to Sub•Straight to Gay•Muscle Growth•Muscle Theft•Muscle/Strength•Incest•Brothers•Dom/Sub•Humiliation•Nonconsensual change •M/M

Alex in Wonderland by Anarchy A Alex follows mysterious man into a forest, and quickly finds himself in a strange new world, deep below the ground. 3 parts 6,184 words Added Jan 2016 Updated 7 Apr 2017 47k views 4.4 stars (43 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase •M/M

Uncontrolled changes by blackjacket After a hazy encounter with a strange man at the bar the night before, Andrew finds himself unable to stop the self-stimulation that’s making him grow. 2 parts 1,687 words Added Jun 2014 Updated 5 Jul 2014 31k views 4.4 stars (38 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Nonconsensual change

Arthur, the young titan by TonnyGiant This is the story of how I met Arthur, and how he became a giant, and how he dominated everything and everyone ... and how he won my heart in respect and worship. And today I can say, we love each other. 6 parts 12k words Added Dec 2016 Updated 17 Feb 2017 30k views 4.4 stars (36 votes) •Muscle/Strength•Giants•Size Increase•Destruction/Violence•Dom/Sub •M/M

The beefening by Benjamin Skipper Spencer's roommates have been growing into huge hulking beasts, focused on working out, having sex… and now, turning Spence into one of them! 2,274 words Added Feb 2018 55k views 4.4 stars (36 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Dom/Sub•Nonconsensual change •M/M•M/M/M

Claves, the midnight marauder by Ziel Claves, the kingdom’s most notorious thief, has been cursed! What was meant as a means to entrap the thief and blow his cover forever backfires spectacularly as Claves ends up enjoying the curse. Now armed with a massive cock, the power to spread the curse to others, and an exhibitionist streak almost as long as his dong, Claves sets out to spread the curse and sow a little mischief and a lot of wild oats. 8 parts 46k words (#80) Added Jun 2013 Updated 9 Dec 2023 49k views 4.4 stars (33 votes) •Cock Growth•Hyper Cock•Cum inflation•Hyper Cum•Fantasy Realm •M/M

Revamped by Double-U Two new friends, an athlete and a nerd, find themselves testing out a mysterious piece of technology that has the ability to upgrade bodies into masculine perfection. 5,087 words Added Aug 2016 22k views 4.4 stars (32 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy

Enhanced muscle and futuristic porn by Marquis de Rent In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. 5 parts 25k words Added Sep 2016 Updated 30 Sep 2016 34k views 4.4 stars (28 votes) •Cock Growth•Huge Cock•Hyper Cock•Female to Male•Immobility•Muscle Growth•Muscle/Strength•Transformation•Plausible Size Difference•Size Increase•Nanotech•Space Travel•Set in the Future •M/M•M/M/M

Becoming the ultimate man by musclestory When a man’s ultimate dream becomes his ultimate reality. 4,565 words Added Aug 2003 93k views 4.4 stars (25 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Voice Deepening•Giants•Size Increase•Hair Growth/Getting Hairy •t

A thing called curiosity by papermoon Out for a jog, 19-year-old Cameron decides to investigate an abandoned house that holds some unexpected secrets. 6,529 words Added Jan 2014 44k views 4.4 stars (25 votes) •Huge Balls•Huge Cock•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Merging •M/M

The bunker by JayPat Fleeing some bullies, three teens hide in a secret abandoned bunker hidden in the Arizona wilds where they find some antiquated computer equipment that they really should’ve left alone. 5 parts 28k words Added Nov 2018 19k views 4.4 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •M/M•t/t•M/t

17 inches by Unknown 3,639 words Added Mar 2009 86k views 4.4 stars (22 votes) •Huge Cock•First Time/Virgin•Incest•Brothers

So much cum by Delinqual Cory has a condition that causes him to produce extremely abnormal amounts of semen. It’s not always fun, but it has led to some very memorable moments. 2,165 words Added May 2012 138k views 4.4 stars (22 votes) •Hyper Cum

Colossal Clothing by QuasarSun Spencer is just your average post-college graduate, down on his luck and working a dead-end job when he runs across a magical clothing store that gives him a new job, a new perspective, and a lot more. 3 parts 5,384 words Added May 2020 Updated 3 Dec 2022 19k views 4.4 stars (21 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Growth•Muscle Gut•Belly Growth•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Orcs•Supernatural •M/M

A perfect revenge by FanTCMan After beating up a gay guy, Charles is put into a unique kind of anger management program—one with a bit of secret retribution involved. 8,078 words Added Jun 2002 34k views 4.4 stars (21 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•Hair Growth/Getting Hairy •M/M

Laundry day by Aphon A scientist on the verge of a cock growth breakthrough is a little careless and his formula ends up on the jockstrap of a hunky personal trainer, what could go wrong? 12 parts 9,685 words Added May 2017 Updated 7 Dec 2019 43k views 4.4 stars (20 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Humiliation•Nonconsensual change

The Convincer by BRK The suggestion powers of the forgotten comic book hero The Convincer seem to have rubbed off on Leland, perhaps literally. 2,908 words Added Apr 2021 7,672 views 4.4 stars (19 votes) •Muscle Growth•Retcon•Suggestion•Superhero/Supervillain•Complete •M/M/M•NS

The last day of summer by TheMuscleMaker One depressed 18-year-old gets the boost he's always wanted... and then some. This last day of summer will be one to remember. 1,496 words Added Jan 2020 10k views 4.4 stars (19 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Giants•Size Increase•Destruction/Violence •M

Among us by BRK Nathan Yates is an ordinary boy who’s just graduated from high school and whose biggest concern in life in trying to figure out why the hottest guy in school is making passes at him. That is, until he’s thrown into a story he knows intimately from his favorite cult graphic novels, and becomes embroiled in a conflict that reaches across worlds and universes. 15 parts 52k words (#67) Added May 2017 Updated 27 Apr 2018 26k views 4.4 stars (18 votes) •Huge Cock•Muscle/Strength•Amputation•Human to Animal/Anthro•Aliens•Werewolves•Mind Control •t/t

Digital Dan by Bear Northman Mick tries a virtual encounter with an ideal man, and finds it’s a lot more real than he expects. 2,481 words Added Aug 2016 14k views 4.4 stars (18 votes) •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength

Time to bulk up by spacevlad Jason, an older bodybuilder who has hit a plateau, discovers a shortcut to size: stealing the muscles of a gym admirer. 4 parts 11k words Added Jan 2022 Updated 5 Feb 2022 18k views 4.4 stars (18 votes) •Muscle Growth•Muscle Theft•Muscle/Strength•Nonconsensual change •M/M

Unbound Beast Inc. by an0n12 Jeff is working out late at night and encounters Ian who has substantially grown since he last saw him; Ian decides to be cocky and show off/seduce Jeff not taking into account the how effective the drug he's taking would be when he cums. Will it be too much for Ian or will he let his arrogance and lust get the better of him? 4,024 words Added Mar 2017 14k views 4.4 stars (18 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Infectious

What he wants by CentaurQuinn Steve has a dead end job and boring life. Then, a trip to an estate sale makes it possible for all his dreams to come true, even ones he didn't know he had. 2 parts 4,984 words Added May 2017 Updated 8 Aug 2020 12k views 4.4 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle/Strength•Transformation•Centaurs •M/M

King size by BRK King Rafe is subjected to a curse that will cause him, or rather a certain part of him, to become a monster, and his lover and mage-advisor Will is understandably conflicted about this turn of events. 7 parts 19k words Added Aug 2006 Updated 8 Jan 2022 48k views 4.4 stars (17 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Witch/Warlock/Wizard •M/M

Pool party by BRK Gavin returns to his dorm suite after a tough day writing just wanting to veg out with his roommates, Corbin the randy jock and the sweetly sexy Marcos, on whom he has a crush he’s having trouble hiding. But Corbin unexpectedly brings home a friend who suggests playing a game instead; and that game ends up causing a lot of changes among the three roomies. 2 parts 7,501 words Added Nov 2019 13k views 4.4 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Multicock•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Retcon•Suggestion•Selfcest•Complete •M/M•M/M/M•M/M/M/...

Basement full of muscleboy gods by Krisiar Wrestler Oliver scores some pills that are supposed to bring on muscle growth, and decides to share them with his best buds after a match. 2,124 words Added May 2011 64k views 4.4 stars (16 votes) •Cock Growth•Huge Cock•Nipple Emissions•Multi-abs•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Muscle Growth•Muscle/Strength

Boytaurs from Outer Space! by BRK Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. 6 parts 13k words Added Jun 2015 Updated 14 Oct 2016 16k views 4.4 stars (16 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins•Aliens•Space Travel •M/M•M/M/M•M/M/M/...

The tournament by AG Silver A soldier enters a wrestling competition with an alien, whose touch reveals more than he ever expected. 4 parts 3,164 words Added Aug 2019 Updated 9 Nov 2019 10k views 4.4 stars (16 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Aliens •M/M

Navy experiment by BRK The new protocol of vaccinations on the U.S.S. Tulsa developed by Dr. Tosk had very deliberate side-effect: your body is affected by whoever you lust for. Tosk plans for the sailors to start lusting after his impressive form—but who does Tosk lust for? 4 parts 5,764 words Added Mar 2010 42k views 4.4 stars (15 votes) •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Three Legs•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Plausible Size Difference

Aaron’s adventures by phallicphan When you possess two huge dicks, how can you avoid using them? Told through a number of mostly standalone tales. 4 parts 11k words Added Jan 2018 18k views 4.4 stars (14 votes) •Huge Cock•Multicock •M/M

The curse of the pink thong by WIP Topping Max makes homophobic comments in the locker room and gets cursed. Will he learn to embrace the havoc that the curse wreaks on his body? 6,790 words Added Sep 2016 29k views 4.4 stars (14 votes) •Cock Shrinking•Muscle/Strength•Transformation•Hair Growth/Getting Hairy•Mind Control

Night at the carnival by muscl4life Abused and pranked by bullies, a scrawny teen carnival worker finds himself in the Fun House with the magic mirrors only he cares about. Only it turns out the mirrors really are magic—and they have a few ideas about how to make Jimmy’s life better. 6 parts 17k words Added May 2018 18k views 4.4 stars (14 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•First Time/Virgin•Witch/Warlock/Wizard •M/M

An officer’s odyssey by Alexander Wolf Late in his patrol, Alex responds to a call about an abandoned truck near some treacherous caverns—only to find a very large being named Hephaestion looking for a way out of the prison to which he was consigned by the Fates. 3,474 words Added Jun 2015 12k views 4.4 stars (14 votes) •Huge Cock•Muscle/Strength •M/M

The reunion by Aphon Sam meets up with his high school crush who ends up having more in plan for him than he thought... how big is too big? 2 parts 3,342 words Added Apr 2017 25k views 4.4 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change

Short stories, big muscles by RoidTeen An ever-growing collection of short muscle growth stories, told from different angles in different settings, exploring what it means to be big, gigantic, or even immobile. 6 parts 8,025 words Added Jul 2023 Updated 12 Aug 2023 16k views 4.4 stars (14 votes) •Cock Growth•Cock Pumping•Huge Balls•Huge Cock•Cum Milking•Public Orgasm•Pec Fucking•Immobility•Muscle Breast•Muscle Growth•Muscle Gut•Muscle Worship•Public Nudity•Increased Libido•Forced Growth•Dom/Sub•Sex-Slave•Lycra/Spandex •M•M/M•M/M/M

Suggestion box by BRK Ray’s job is to go through the suggestion box at his landmark menswear store. What he’s not expecting is that one of the cards has a suggestion for him. 2,663 words Added May 2020 9,690 views 4.4 stars (14 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Retcon•Suggestion•Complete •M/M•M/M/M

An unexpected side trip by votdat Tyler was ferrying a small airplane between Australia and Hawaii. Problems with the plane caused him to make an unscheduled stop on a small island, launching a series of events he certainly wasn’t expecting. 6 parts 30k words Added Apr 2020 Updated 26 Jun 2021 6,838 views 4.4 stars (14 votes) •Huge Cock•Hyper Strength•Muscle/Strength•First Time/Virgin•Destruction/Violence•Nonconsensual change •M/M

Cave on the Moon by brazboy First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever… 3 parts 9,726 words Added Nov 2021 13k views 4.4 stars (13 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Increased Libido•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Destruction/Violence•Nonconsensual change•Aliens•Androids/Cyborgs•Space Travel •M•M/M•M/M/M

The cock dungeon by LordTronimator A group of boys awaken within a dark, strange dungeon, completely butt naked and sporting boners that seem to refuse to go away. They hope to find any other prisoners and an escape before succumbing to the strange location’s influence. 4 parts 9,222 words Added Jun 2020 Updated 8 Aug 2020 13k views 4.4 stars (13 votes) •Always Hard•Huge Balls•Huge Cock•Cum Milking•Hermaphrodite•Cock Cage•Nonconsensual change •M/M•M/M/M

For lovers of huge cocks by Unknown Here is a story for guys who have a fetish for big (I mean monstrous) cocks. I’ve been in pursuit of such organs for years, and here is the story of my “first time” with a really big one, and still one of my best memories. 3,060 words Added Mar 2003 23k views 4.4 stars (13 votes) •Huge Cock•Hyper Cum •M/M

Gaining roommates by MaxMorphs Ben’s enormous gut seems like it can’t get any bigger. Does that sound like a challenge to you? 5,341 words Added May 2020 23k views 4.4 stars (13 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Getting Taller•Size Increase•Getting Fatter•Vore •M/M

Tony the muscleboy by muscle16 6 parts 11k words Added Aug 2005 37k views 4.4 stars (13 votes) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength

Alex by Jcry123 A young guy decides to try out a gift from a random stranger that might making him bigger. 1,545 words Added Nov 2011 38k views 4.4 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

Cloning Noah by KevLobs A man endeavors to fulfill his ultimate sexual fantasy: cloning himself. 3 parts 4,468 words Added Sep 2020 3,576 views 4.4 stars (12 votes) •Replication•Selfcest

Demon mage by JMatton After confronting an Incubus, Laizan’s life as a mage is about to change forever. 4,202 words Added Mar 2020 10k views 4.4 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Bisexual•Demons•Incubus/Succubus•Supernatural •M/M

The landing by C.W.P. Mulling the pointlessness of his life on a vacation to Alaska, Chris is thrilled to encounter a pair of extremely well endowed aliens. 3 parts 7,254 words Added Jul 2014 13k views 4.4 stars (12 votes) •Cock Growth•Huge Cock•Aliens•Space Travel •M/M

The trade by Corwin Having a massive cock only goes so far when you want to be as muscled as the guys you’re hot for. Sometimes, though, there’s a guy out there with the opposite problem, and a bit of magic designed to make both men happy. 3,611 words Added Jun 2018 11k views 4.4 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength •M/M

Amethyst horizon by will88nh Change comes unexpectedly to Will, in the form of a pizza delivery boy. 3 parts 6,315 words Added Aug 2005 17k views 4.4 stars (11 votes) •Cock Growth•Huge Cock•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Transformation•Age Regression•Suggestion •M/M

Muscle milk by Seth Peterson Travis is a bit skeptical about a new muscle supplement he buys ... but the results quickly make him change his mind. 2,012 words Added Jun 2016 33k views 4.4 stars (11 votes) •Muscle Breast•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy •M/M

The accidental wizard by nolanspice Ken and Jay’s excursion into alchemy yields astounding results. 2 parts 2,926 words Added Jan 2006 Updated 2 Jan 2006 30k views 4.4 stars (10 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Transformation•Voice Deepening•Plausible Size Difference•Size Increase•Age Regression•Race/Ethnicity Change•Selfcest •M/M

Becoming a muscle god by Corwin Mike discovers what it's like to become a muscle god, and how awesome it is to turn the tables on the coach who’d thought he’d get to dominate the newly-grown Muscle Mike. 3,083 words Added Apr 2018 33k views 4.4 stars (10 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Dom/Sub

Confined to cock by Squidy College bully Jason fatefully calls Nick a "dickhead", but they’re both unaware that Nick’s ability-gifted buddy Johnny has Nick’s back and can visit some appropriate retribution on Jason. 2,415 words Added Sep 2016 17k views 4.4 stars (10 votes) •Huge Cock•Human to Cock •M/M

Conner’s massive reveal by MegaMaker Isaac and Connor have been dating for years and recently graduated college. Connor wants this relationship to last for the rest of their lives. In order to do that he must reveal what he truly is to his lover. He’s afraid Isaac won’t want to be with him anymore but when Isaac finds out he falls in love with Connor all over again. 6,512 words Added Feb 2023 14k views 4.4 stars (10 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Man Scent•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Shapeshifting•Complete •M/M

Dana gets wired by FanTCMan A bit of software, a few connections, and you can enjoy making someone into a whole new man—especially if you have the right recruits to start with. 3 parts 11k words Added Jul 2002 24k views 4.4 stars (10 votes) •Muscle Growth•Muscle/Strength•Voice Deepening•Incest•Father/Son •M/M

Easy cum, easy go by Noam de Pluma and Kuro Norman Aster is working his regular shift at the restaurant when a mysterious stranger walks in and changes his life forever… except his life has always been that way, right? Right? 3 parts 22k words Added Apr 2022 Updated 16 Apr 2022 13k views 4.4 stars (10 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Always Cumming•Hyper Cum•Public Orgasm•Gender Swap•Other Mental Changes•Straight to Gay•Muscle Growth•Always Shirtless•Increased Libido•Getting Taller•Size Increase•Retcon•Suggestion•Bisexual•Humiliation•Sex-Slave•Hyper Pheromones •M/M•M/M/M•M/F

Happy birthday! by Musclesaber Commission I did for an anonymous user on Twitter. Dean is running late getting home to see his husband for their birthday, but forgets he still has to get a dessert. He stops at the first shop he sees and finds something that might not only save his butt from his husband, but also his marriage. 2 parts 9,382 words Added Dec 2023 Updated 10 Feb 2024 5,404 views 4.4 stars (10 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Muscle Growth•Butt Growth•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase •M/M

House rules by BRK Three cocky, distinctively masculine guys out to paint the town stumble into the wrong Vegas casino. 2,452 words Added Aug 2022 9,291 views 4.4 stars (10 votes) •Cock Growth•Cock Theft•Huge Cock•Muscle Growth•Muscle Theft•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Demons•Urban Fantasy•Supernatural•Complete•Alcohol •M/M/M•NS

Hulk by WBHunk An early encounter with a huge, muscular man presages transformations yet to come. 5 parts 8,751 words Added Jul 2002 40k views 4.4 stars (10 votes) •Muscle Growth•Muscle Gut•Muscle/Strength•Destruction/Violence

Reece’s morph by Seth Peterson The power of absorption is a nightmare for Reece...until it produces some very big results. 3 parts 14k words Added Mar 2016 Updated 12 Dec 2020 42k views 4.4 stars (10 votes) •Muscle Growth•Muscle/Strength•Belly Growth•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Vore•Absorption •t/t

Suggestions by Jack the Mindbender Jack is surprised by how quickly his hot stepfather goes from a closed book to jerking off right in front of him… 2,749 words Added Dec 2018 12k views 4.4 stars (10 votes) •Huge Cock•Suggestion•Age Difference•Incest•Father/Son•Mind Control •M/M

And then he came by Teen Hulk David's dream is interrupted … but only until his next visit to the gym. 2 parts 7,372 words Added May 2002 46k views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•First Time/Virgin•Infectious •M/M

Beach shoot by BRK Part-time social media hunk Xavier has a weird feeling about this tropical beach shoot, and it only gets stranger as the shoot goes on. 2,817 words Added Feb 2023 3,686 views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multihead•Multiarm•Multileg•Multilimb•Six Legs•Three Legs•Multipec•Stacking•Gradual Change•Retcon •M

Becoming the adult store hunk by LeMapp A young man happens on a way to temporarily become the hot guy he was just lusting after in the adult goodies store. 1,173 words Added Apr 2003 26k views 4.4 stars (9 votes) •Body Suit•Body Swap •M/M

The big box by BRK Dave didn’t remember ordering anything from Metaboy. 3 parts 3,202 words Added Mar 2003 13k views 4.4 stars (9 votes) •Multicock•Multiarm•Multileg•Multilimb•Three Legs •M/M

Boytaurs by Josh Dugan When Envy the green eyed monster has four legs because your friends can grow them and you can’t. 4 parts 2,687 words Added Jun 2018 Updated 17 Oct 2020 6,983 views 4.4 stars (9 votes) •Boytaur•Four Legs•Multileg•Multilimb

Delivery by BRK A pizza delivery guy thinks he’s hot shit—and he is. But he hasn’t met the guy who’s been getting hotter and hotter his whole life. 2,905 words Added Mar 2003 27k views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •M/M

Desire baubles by Writ Bro Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. 3,034 words Added Dec 2019 6,992 views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Twins•Christmas •M/M

The dildo of the demigods by SuperWaffle Craving a size-giving artifact, the Dildo of the Demigods, a gym teacher steals it from one of his students, little realizing he’s just as susceptible to its insane growth-lust as the one he’d taken it from. 2 parts 19k words Added Aug 2020 16k views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Nipple Emissions•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase•Dildos/Toys •M/M•t/t

Fountain of life by NioSatyr During a hot summer morning, a jogger visits several unusual drinking fountains that will not only change him, but probably also the world. 3,730 words Added Jul 2021 11k views 4.4 stars (9 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Nipple Emissions•Public Orgasm•Extra facial features•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Stacking•Muscle Growth•Pointy Ears•Increased Libido•Transformation•Getting Taller•Giants•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•Tongue Growth•Anthro/Furry•Satyrs•Supernatural

Fuel by BRK An isolated Wyoming gas station and its lonely proprietor seems to be a nexus for a certain kind of man. 2,273 words Added Dec 2009 8,086 views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Age Regression•Complete •M/M•M/M/M

The Myostatin Kid by Richard Jasper Johnny is one of those genetic freaks who lacks the gene for myostatin, the protein that regulates muscle growth. Without it, there’s nothing to tell the body to stop growing muscle! 4 parts 3,568 words Added Nov 2020 11k views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase

The training program by BRK Recruited to take part in an intense and highly selective three-week LEO training program, Texas Ranger Dusty thinks he and his fellow trainees are in for a lot of hard work and conditioning. What he doesn’t know is what exactly these elite law-enforcement men are being trained for. 5 parts 8,850 words Added Aug 2021 14k views 4.4 stars (9 votes) •Always Hard•Cock Growth•Self-suck•Hyper Cum•Addiction•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Dom/Sub•Nonconsensual change•Sex-Slave•Aliens•Complete •M/M•M/M/M•M/M/M/...

Biggest by Also Known As People always ask what it’s like. Because I am that guy. I’m the biggest. And I’ll tell you exactly what that’s like, and how I made myself this way. 2 parts 9,229 words Added Jan 2014 27k views 4.4 stars (8 votes) •Always Hard•Huge Cock•Muscle Growth•Muscle/Strength •M/M

Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts 9,393 words Added Nov 2013 29k views 4.4 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Nonconsensual change•Vampires•Werewolves•Halloween •M/M

Christmas presence by Also Known As A man with a real talent for fooling around meets a guy named Nick who’s game to show him all the possibilities of fucking he’s never even dreamed of. 6,570 words Added Dec 2023 6,561 views 4.4 stars (8 votes) •Huge Cock•Muscle/Strength•Pagan gods•Christmas•Complete •M/M•M/M/M/...

Chronivac in the workplace by Dusk Skull King When a good looking straight guy comes in with his wife, how can I resist not messing with them? 2 parts 5,227 words Added Jul 2022 Updated 6 Aug 2022 8,803 views 4.4 stars (8 votes) •Cock Growth•Getting Dumber•Straight to Gay•Muscle Growth•Age Regression•App•Retcon•Nonconsensual change •M/M

Incubi paradise by OneLuckyGuy89 Izqrt, the Incubus, now going by Ian, is horny and ready to turn this male college dorm into his own personal pleasure haven. 2,068 words Added Jan 2022 7,775 views 4.4 stars (8 votes) •Huge Balls•Huge Cock•Cock Body•Muscle Growth•Muscle Gut•Man Scent•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•Incubus/Succubus•Metabods 25 •M/M•M/M/M

Jallen by Richard Jasper Orphaned from birth, Jallen’s amazing growth has continually confounded and upset the long procession of foster parents he has endured. Until he meets Officer Brian Molloy of the Houston P.D. 10 parts 15k words Added May 2020 7,015 views 4.4 stars (8 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Age Difference

The new doctor by BRK Forced to get a physical ahead of a new job in a new town, Colin is glad to discover his new doctor is nice… though he seems to have some strange ideas about anatomy. 3,176 words Added Aug 2022 6,847 views 4.4 stars (8 votes) •Cock Growth•Huge Cock•Nipple Emissions•Multicock•Muscle Growth•Getting Handsomer•Mouthcock•Retcon•Suggestion•Nonconsensual change•Complete •M/M

The origin of Jesiah by Jesiah The Universe decides to indulge the naive, youthful sexual fantasies of a mid-30s computer engineer with a very ordinary physique, and in so doing, throw a large boner in the otherwise generally harmonious workings of reality. 2 parts 3,269 words Added May 2016 Updated 6 Jul 2016 13k views 4.4 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cum•Size Decrease•Size Increase •M/M

Peen genie by Ziel Scrawny little theater nerd finds a real, live genie of the lamp! When it comes to wishing go big or go home. 6,562 words Added Oct 2015 31k views 4.4 stars (8 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Djin/Jinn/Genie •M/M

Therapy by Sithspawn Being a superhero can bring up many complications. So who do you go to for help? 2 parts 3,682 words Added Jan 2020 Updated 8 Feb 2020 6,702 views 4.4 stars (8 votes) •Muscle Growth•Muscle/Strength•Superhero/Supervillain

Bigger issues: Ultimate growth by muscl4life 6 parts 32k words Added Nov 2013 45k views 4.4 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Size Increase•Infectious

Li’l Dude by Richard Jasper Robert is a geeky college freshman, totally smitten with his “senior buddy,” a big, built, blond, hunky California surfer dude named Chris, who dubs him “Li’l Dude.” Ridiculous muscle growth ensues (as usual!). 10 parts 11k words Added May 2020 8,594 views 4.4 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase

MW’s Pizza: Unexpected delivery by mf81 Danny doesn’t want to cook dinner tonight so he decides to order pizza from a place his former co-worker was obsessed with. When the delivery guy arrives, he didn’t bring pizza. 4,711 words Added Feb 2022 7,136 views 4.4 stars (7 votes) •Cock Growth•Huge Cock•Self-suck•Straight to Gay•Hyper Strength•Muscle Growth•Muscle/Strength•Nonconsensual change•Mind Control •M/M

Package delivery service by West Jake’s package delivery company isn’t what it seems. He delivers his goods directly to the recipient’s package—the one between his legs. 2 parts 2,117 words Added Jun 2022 5,031 views 4.4 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Nanotech •M/M•M/M/M

The profile by RdyRoger The stats in your online profile really do matter. 3,656 words Added Feb 2011 20k views 4.4 stars (7 votes) •Cock Growth•Cock Shrinking•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•App •M/M/M/...

Scratch-and-win by BRK Sometimes the lottery scratch-off isn’t about money at all. 2 parts 2,762 words Added Nov 2003 13k views 4.4 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Incest•Twins

Baxter prep by BRK A candid interview with the man who admitted dosing the stars of his reality TV show, Baxter Prep, with serums that altered their bodies—without their knowledge. 2,040 words Added May 2011 23k views 4.4 stars (5 votes) •Muscle Growth•Muscle/Strength•Size Increase •M/M•t/t

The becoming by Musclebuff 2 parts 6,013 words Added Oct 2002 17k views 4.4 stars (5 votes) •Muscle Growth•Muscle/Strength

Big all over by Richard Jasper What do you do when you’re blessed (cursed?) with a giant dick? Grow a giant body, of course! 3 parts 5,484 words Added Feb 2020 9,595 views 4.4 stars (5 votes) •Huge Cock•Muscle Growth•Muscle/Strength

Coffeehouse encounter by BRK A casual conversation in a coffee shop about the various mods being instilled in the students lately. 1,187 words Added Mar 2009 17k views 4.4 stars (5 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Multitongue•Muscle/Strength•Getting Taller•Tongue Growth •M/M•M/M/M

College days by MuscleMike23 A mishap in chem lab leads to Mike’s size dreams coming true. 2 parts 1,974 words Added Mar 2005 24k views 4.4 stars (5 votes) •Cock Growth•Huge Cock•Multi-abs•Muscle Growth•Muscle/Strength

Custom toy by Cockatrice Sven got a very special present for his boyfriend: part of himself. 1,656 words Added Dec 2019 6,210 views 4.4 stars (5 votes) •Detachable•Dildos/Toys•Christmas

Dawn of the Dragon-Men by JKL Drake and Irving stumble on an old dragon’s nest and investigate a dead-looking dragon’s egg they find there, only it’s not as inert as it seems. 1,156 words Added May 2020 5,844 views 4.4 stars (5 votes) •Wings•Straight to Gay•Muscle Growth•Transformation•Size Increase•First Time/Virgin•Anthro/Scaly

Don’t scroll! by BRK Micah is distracting himself with his Picthread feed, when suddenly one of the posts he’s scrolling past turns out to be very different from the others. 2,054 words Added Oct 2021 4,285 views 4.4 stars (5 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle/Strength•App•Complete •M/M

Encounters on the rue de l’estranger by Callum James 2,254 words Added Feb 2003 8,596 views 4.4 stars (5 votes) •Size Decrease

Growing pains by Anonymous 4 parts 4,674 words Added Jul 2002 24k views 4.4 stars (5 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Infectious

Hypno muscle: jock dreams by Douglas Benjamin Toby and Liam have picked up a hypnotic audio tape that promises to grow their muscles. When they fall asleep to the hypnotic induction, they have a dream that seems all too real: Suddenly, they have to power to transform each other into big-muscled meatheads, flexing and posing for each other and talking like dumb jocks. Even more transformation is possible, but there is a catch. 4,333 words Added Jul 2019 23k views 4.4 stars (5 votes) •Getting Dumber•Hyper Muscle•Muscle Growth•Muscle Theft•Muscle/Strength•Man Scent•Transformation•Getting Taller•Size Decrease•Size Increase•Human to Inanimate•Suggestion•Orcs•Hypnosis•Mind Control •M/M

The lawyer by Nick Gallo Joe is eager to start work at a new firm. There’s just one odd thing about the place: almost everyone else seems a lot bigger than him. 2 parts 3,039 words Added Jun 2015 14k views 4.4 stars (5 votes) •Huge Cock•Muscle Growth•Muscle/Strength •M/M•NS

Livin la vida loca by Onix I wasn’t always like this… but Steve—I mean my Master says I won’t be able to remember any of that in a little while. 9,347 words Added Apr 2003 17k views 4.4 stars (5 votes) •Getting Dumber•Straight to Gay•Race/Ethnicity Change•Nonconsensual change•Sex-Slave•Hypnosis•Mind Control •M/M

The long weekend by BRK Bill thinks he’ll have the family lake house to himself for an end-of-summer four-day weekend. Unfortunately, that’s news to his cocky and annoyingly hot big brother and his two bro-hunk friends, who turned up with their own plans to hole up in the cozy lake house digs. 4,147 words Added Oct 2022 5,751 views 4.4 stars (5 votes) •Cock Shrinking•Huge Cock•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Straight to Gay•Muscle Growth•Always Shirtless•Getting Taller•Retcon•Suggestion•Incest•Brothers•Nonconsensual change •M/M/M/...

The maturing ceremony by brazboy Out of all the sacred moments in a lad’s life, none is more amazing and important than his maturing ceremony. Dinis will, led by his own older brother, find in it the chance to become an improved version of his hunkish self. 3,858 words Added Sep 2023 2,429 views 4.4 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Public Orgasm•Extra Mouths•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Multitorso•Stacking•Muscle Growth•Transformation•Incest•Brothers•Complete •M/M/M/...•M/t

The misadventures of Joe Hypercock by BRK It's New Year’s Eve, and Joe’s having a weird day in the city even before he meets the strange man and his wang gets made stupidly huge. 2 parts 7,261 words Added Apr 2019 10k views 4.4 stars (5 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle/Strength•New Year’s Eve•Complete •M/M

The obsidian paver by BRK Gil doesn’t believe in the old myth about obsidian paving stones and how stepping on them changes reality without you even noticing. 1,637 words Added Sep 2023 2,125 views 4.4 stars (5 votes) •Cock Growth•Boytaur•Four Legs•Multiarm•Multilimb•Replication•Getting Handsomer•Retcon•All Dialog•Complete •M/M

Part of the pack by Cockatrice Colin managed to date the perfect boyfriend and has been invited to visit his date’s frat. A secret and an offer await. 5,228 words Added Nov 2022 2,186 views 4.4 stars (5 votes) •Replication•Selfcest•Shapeshifting•Complete •M/M•M/M/M

Possession by erotic wordsmith Seth’s gift for astral travel lets him land in other people’s bodies. His bigger, meaner cousin Ben’s, for example. 943 words Added Aug 2005 20k views 4.4 stars (5 votes) •Mind Control

Robby’s new legs by Josh Dugan All for love, this crazy young kid bi-locates and grows more of everything, but it gets out of control. 9 parts 7,589 words Added Jan 2006 Updated 22 Aug 2020 11k views 4.4 stars (5 votes) •Extra digits•Lots of Legs•Multilimb•Replication•Wristfeet•Detachable•Selfcest •M/M

The royal stone by BRK In a hidden pocket kingdom in a corner of the Alps, Pete discovers a strange pink stone once thought to be of mystical significance to his ancestors, signified by the inscribed numerals, X, X, and V. 5,462 words Added Jan 2022 2,934 views 4.4 stars (5 votes) •Extra digits•Multicock•Multiarm•Multilimb•Multitongue•Replication•Selfcest•Metabods 25•Complete •M/M•M/M/M/...

Two friends stretching their body parts by Three-Legged Dude Exactly what it says on the tin. 2 parts 1,548 words Added Aug 2003 16k views 4.4 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Extra digits•Multicock•Four Legs•Multileg•Multilimb•Three Legs•Stretchy•Detachable

Wad by Broody At a boring house party, a douchebag bro takes psychedelics, then runs afoul of a muscled tank who puts the MAN in manhandle. 4,187 words Added Sep 2023 3,613 views 4.4 stars (5 votes) •Huge Cock•Muscle Growth•Muscle Theft•Size Decrease•Size Increase•Hetero Sex•Destruction/Violence•Humiliation•Nonconsensual change•Complete•Psychedelic Drugs •M/M/F

Justin (the bigger the better) by Giant Worshipper A young man starts growing, and growing. He finds he likes it a lot. 15 parts 99k words (#23) Added Nov 2009 437k views 4.3 stars (91 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Hyper Strength•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Getting Taller•Giants•Size Increase•First Time/Virgin

Alpha product series by Chet Boner 19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice! 19 parts 23k words Added May 2017 Updated 11 May 2019 89k views 4.3 stars (43 votes) •Cock Growth•Huge Balls•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Stories with Images •M/M•M/M/M

Ben gets huge by spacevlad Matt, a kicker on a college football team, befriends Ben, a burly, bearish, muscular offensive lineman with a desire to get bigger. Matt is … able to help him with that. 8 parts 18k words Added Jun 2016 74k views 4.3 stars (43 votes) •Hyper Cum•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Giants•Plausible Size Difference•Size Increase •M/M

Damian and the three muscleteens by hyperboi 5 parts 8,170 words Added Dec 2012 58k views 4.3 stars (28 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins•Infectious

Mustering up by Krisiar Jonas finds a terrible-smelling cologne that unexpectedly makes anything he says come true. Naturally he exploits this to make him and his friends hotter and more hung, but he soon loses control and takes things to extremes. 2 parts 5,992 words Added Jul 2011 63k views 4.3 stars (28 votes) •Cock Growth•Huge Balls•Hyper Cock•Nipple Emissions•Multi-abs•Multilimb•Straight to Gay•Muscle Growth•Muscle/Strength•Retcon•Suggestion •M/M/M

Geno-type by Ziel While on a camping trip, Tyler makes a half-assed wish on a shooting star. Not only does he get his wish, but it begins to affect those around him as well. Maybe he should have been more specific? An ongoing saga of hyper growth and the weird social situations it results in. 34 parts 144k words (#7) Added Dec 2012 Updated 3 Feb 2016 104k views 4.3 stars (26 votes) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Infectious •t/t•t/t/t

Adventures of a selfsucker by willy8 Silas loves going down on his own big cock, and while the intense experience of autofellatio doesn’t help him with his girlfriend it does bring him closer to his handsome roommate Ben. 16 parts 42k words (#93) Added Jul 2015 Updated 28 Jul 2017 42k views 4.3 stars (22 votes) •Cock Growth•Huge Cock•Self-suck•Bisexual•Hetero Sex •M•M/M•M/F

Growth experiment by Anarchy A Scrawny Edward awakens to find himself the subject of an experiment designed to help him grow a little bigger, except the procedure proves far more effective than anyone could have anticipated. 1,815 words Added Jun 2015 29k views 4.3 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Nonconsensual change•Hyper Pheromones •M/M/M/...

More than expected by LennoxBear Intent on preventing his beefy bod from getting soft, Joe is increasingly obsessed with his gym workouts. Then he meets a kindred spirit who helps him take things to a whole new level. 5 parts 20k words Added Jul 2002 98k views 4.3 stars (22 votes) •Cock Growth•Huge Balls•Huge Cock•Cum Milking•Nipple Emissions•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•First Time/Virgin•Nonconsensual change•Infectious •M/M

If only by BRK Steve hasn’t noticed yet how the world shifts a little every time he says "if only”. That’s okay. 2,591 words Added Mar 2006 19k views 4.3 stars (20 votes) •Huge Cock•Multicock•Replication•Transformation•Suggestion•Triplets•Selfcest•Complete •M/M

.hack//swap by Ziel Thomas wants to prove his wrestling skills to his best friend, but there’s one major problem. Thomas is a runt! It doesn’t matter how skillful he is if he can’t even budge his titanic pal. That’s where his latest creation comes into play. Now armed with a way to even the playing field, Thomas and his pal gear up for some friendly competition and lot more than either of them bargained for. 9,026 words Added Apr 2018 24k views 4.3 stars (19 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle Theft•Muscle/Strength•Plausible Size Difference•Size Decrease•Size Increase

Discogrowphy by Ziel In his first Patreon bonus mini-fic, Ziel indulges in this month’s theme: “Hyper Macro Twink.” As the author explains, “Lots of clothes-bursty growy goodness ensues as well as lots of hot ’n’ sloppy macro sizeplay. I just couldn’t pass up the chance to add some exhibitionism in there because, really, if you’re a hot ’n’ hung titan, who wouldn’t want to strut their stuff?” 5,711 words Added Jun 2014 18k views 4.3 stars (17 votes) •Cock Growth•Huge Balls•Hyper Cock•Public Nudity•Size Increase •M/M

Jeff’s story by Muscle Flex Jeff wants muscles. He wants to be big, and the serum he found will do just that. He gets big all right, and not just his muscles. 4 parts 8,109 words Added Jul 2002 54k views 4.3 stars (16 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Lycra/Spandex •M/M

Orc night at the Eagle by spacevlad Scott gets a gag gift from his roommate—orc tusks—and enjoys them more than he ever could have expected, as he turns into a massive, sex-crazed orc on a night at the bar. 3,710 words Added Mar 2019 15k views 4.3 stars (16 votes) •Huge Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Transformation•Voice Deepening•Plausible Size Difference•Size Increase•Orcs •M/M

Adam’s first growth spurt by MDS Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today. 2,350 words Added Nov 2016 56k views 4.3 stars (15 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

The Perfect Guy goes viral by Cris Kane A man takes a mysterious online quiz, unaware that his answers are causing changes to his body, mind and life. 4,549 words Added Feb 2020 11k views 4.3 stars (15 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle/Strength•Transformation•Retcon •M

The smell of lust by Seth Peterson I did a thing!! Okay, I accidentally bathed myself in extremely potent, gay-causing, transformative pheromone juice. But it’s all good, right?? 11k words Added Jun 2016 25k views 4.3 stars (15 votes) •Huge Cock•Straight to Gay•Muscle Growth•Increased Libido•Transformation•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Hyper Pheromones•Anthro/Furry•Anthro/Scaly•Dragons •M/M

An app for that by BRK That funny new phone app makes it look like you have two of whatever the camera is pointed at, but there's more to the algorithm than trick photography. 2,178 words Added Nov 2011 32k views 4.3 stars (14 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Replication•Muscle/Strength•App•Retcon•Selfcest•Complete •M/M

Gaston: an intimidating specimen by Greg 4 parts 17k words Added May 2006 36k views 4.3 stars (13 votes) •Muscle/Strength

Augmentations by Also Known As Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined. 18 parts 99k words (#25) Added Jan 2014 44k views 4.3 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Getting Handsomer•Size Increase•Set in the Future •M/M

Cu Raigo by NioSatyr Raigo, an adrenaline-addicted porn star, finds himself in a snow storm. Luckily, a mysterious and large stranger saves him, which leads to a lot of changes for both of them. 6,103 words Added May 2021 14k views 4.3 stars (12 votes) •Always Hard•Cock Growth•Cockfucking•Huge Balls•Hyper Cock•Self-suck•Hyper Cum•Nipple Emissions•Muscle Growth•Transformation•Size Increase•Anthro/Furry•Stories with Images

Diner by BRK Clint tries out a diner near his new house, but ends up with more than he bargained for. 3,976 words Added Oct 2023 6,934 views 4.3 stars (12 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Pec Fucking•Hyper Strength•Muscle Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Giants•Forced Growth•Plausible Size Difference•Size Increase•Destruction/Violence•Nonconsensual change•Complete •M

Freedom of speech by Corwin Jason is devastated when his boyfriend leaves him over his obsession with being big, but some admiration from his ex’s friend turns him around and gets him growing again. 16k words Added Mar 2014 21k views 4.3 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•First Time/Virgin •M/M

Helping hands by BRK Miller is always in the barracks stroking himself with both hands. Then one day he gets a chance to have a cock for each hand. He doesn’t, at first, grasp all the implications of that scenario. 1,760 words Added Jun 2019 7,552 views 4.3 stars (12 votes) •Huge Balls•Huge Cock•Hyper Cum•Multicock•Complete •M/M

Caeman the Conquerer by Tereshky An ambitious general gets more than he bargained for during a ceremony to take over a conquered city in this fantasy-based story. 3,420 words Added May 2018 9,036 views 4.3 stars (11 votes) •Cock Growth•Multiarm•Multilimb•Transformation•Giants•Tongue Growth•Naga•Fantasy Realm

The curse by muscl4life Dylan is a huge and hot muscle man and he’s really willing to find a cute little ass to fuck. He really wants—and actually needs—to give pleasure, and more. 2,443 words Added May 2014 28k views 4.3 stars (11 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation

Extreme reality game by Libra Jacob downloads a game that allows him to change reality. He’s particularly intrigued by the variety of options relating to his junk. 3 parts 3,946 words Added Aug 2011 22k views 4.3 stars (11 votes) •Cock Growth•Huge Cock•Nipcocks•Multicock•Hairless•App

Magic cock by Pfieffer A ritual to increase cock size works a little too well. 3 parts 6,064 words Added Apr 1997 110k views 4.3 stars (11 votes) •Cock Growth•Huge Cock•Hyper Cock

The Red Prince by brazboy Out of a weird arrangement a cursed prince is born, one who has an uncontrollable appetite for human flesh. As his unabated hunger leads him to consume more and more men, he transforms, gaining the body of a gigantic marvelously muscular giant. Who can stop him, and what will be the consequences of trying? 2 parts 8,773 words Added Aug 2023 4,408 views 4.3 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Extra Mouths•Multi-abs•Multi-balls•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Hyper Muscle•Immobility•Muscle Growth•Gradual Change•Male Pregnancy•Transformation•Size Increase•Hyper Tongue•Tongue Growth•Incest•Brothers•Hetero Sex•Destruction/Violence•Blood•Nonconsensual change•Nonconsensual sex•Vore•Complete•Medieval(ish) •M/M•M/M/M/...•M/M/F

Administrator by FanTCMan 1,784 words Added Apr 2003 29k views 4.3 stars (10 votes) •Cock Growth•Huge Cock•Getting Dumber•Muscle Growth•Muscle/Strength

Blessed by the moon by Saaruu Ritzy gets back from work, exhausted. He gazes at the moon, which somehow feels… different from usual. His roommate comes back home and they both enjoy a nice adult film when the werewolf in Ritzy decides to go wild. Really wild. And big. 3,700 words Added Sep 2018 21k views 4.3 stars (10 votes) •Hyper Cock•Cum inflation•Hyper Cum•Muscle Growth•Transformation•Size Increase•Anthro/Furry•Werewolves •M/M

Cursed to swell with cum by BigManBigBelly Max, like so many others, is powerless to resist Damien’s charm and blessed to be stretched open by his enormous meat. But his seed proves more potent than Max could have imagined… And possibly more than he can handle. 2,974 words Added Mar 2022 18k views 4.3 stars (10 votes) •Cum inflation•Cum Milking•Hyper Cum•Nipple Emissions•Immobility•Belly Growth•Size Increase•Getting Fatter•Infectious•Supernatural •M/M

Emission transmission by Cumguts Big grey orc Burz gets a mysterious gift in the mail, and incidentally discovers that he might have a future career in streaming on a new kink website geared explicitly toward cum inflation enthusiasts. 3 parts 3,593 words Added Jun 2022 9,076 views 4.3 stars (10 votes) •Cum inflation•Hyper Cum•Muscle Gut•Belly Growth•Orcs•Urban Fantasy•Stories with Images•Hyper Anus •M

First day by Thatbadwriter Dylan’s first day waiting tables at the Scottish tea house seems to be going great, until his kilt starts riding up. 964 words Added Nov 2020 9,820 views 4.3 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy

Let’s make a bet by Seth Peterson My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend! 3 parts 10k words Added May 2019 22k views 4.3 stars (10 votes) •Butch-to-Fem•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Dom/Sub •M/M•t/t

The power of suggestion: Adrian and Noel by BRK Adrian’s new abilities reveal themselves during a conversation with Noel about muscle, cock, and unrequited love. 2,206 words Added Aug 2011 20k views 4.3 stars (10 votes) •Cock Growth•Huge Cock•Multicock•Straight to Gay•Tongue Growth•Mouthcock•Suggestion•Complete

The reform party by NBCK99 Will attends a gathering that turns out to be devoted to some radical transformations, where the invitees have sexual desires that can’t be fulfilled in the real world and long for their roleplay fantasies to be made real in ways even they don’t expect. 2 parts 8,602 words Added Sep 2016 Updated 14 Oct 2016 20k views 4.3 stars (10 votes) •Cock Growth•Huge Cock•Human to Cock•Hyper Cock•Multicock•Multihead•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Muscle/Strength•Detachable•Size Decrease•Size Increase•Selfcest•Merging

Ballooning bros by Musclesaber Commission for Anonymous: After drinking a mysterious shake, Brandon’s crush, Ryan, takes him back to the locker room for a different kind of blowjob. 3,412 words Added Jul 2022 8,577 views 4.3 stars (9 votes) •Cock Growth•Huge Cock•Size Increase•Inflation •M/M

Dig’s island by BRK Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways. 4 parts 3,756 words Added Mar 2005 26k views 4.3 stars (9 votes) •Cock Growth•Huge Cock•Multiarm•Wings•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Flying•Complete•19th Century •M/M/M/...

FertiliGro by BeastCZ FertiliGro, a new fertility supplement, promises improved virility and sexual experience in men—though people don’t realize just how much the little capsules will change their life. 2 parts 1,729 words Added Feb 2020 14k views 4.3 stars (9 votes) •Always Hard•Cock Growth•Huge Cock•Addiction•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Bisexual•Hetero Sex

I have heard the mermen singing by CentaurQuinn Will’s cave diving trip goes horribly awry, but is the start of a new life. 2,600 words Added Oct 2020 6,110 views 4.3 stars (9 votes) •Cock Shrinking•Cockless•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation•Mermen •M/M

Jizzer by Ziel Ethan drags his roommate Walt off to the woods on the outskirts of town to search for their mutual friend. 2,426 words Added Oct 2021 12k views 4.3 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Infectious•Horror •M/M

The bodybuilding bulge cum-petition by UberPump What do you get when jealously clouds your judgement?  Well lets find out from Chris and Derek.  Two, well know bodybuilders on the stage for the Bulge Competition.  They've been juicing their cock and balls up over several months and have... so far... blown the competition out of the water.  That is until one massive newbie blows up in front of everyone.  His manly display of virility forces Chris and Derek to find alternative means to grow bigger than him... Their balls will certainly not be outdone by some show off! 5,380 words Added Feb 2024 5,089 views 4.3 stars (8 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Public Orgasm•Addiction•Hyper Muscle•Immobility•Muscle Growth•Muscle Worship•Man Scent•Voluptuous Men•Increased Libido•Forced Growth•Inflation•Destruction/Violence•Nonconsensual change•Bodily Fluids•Complete •M/M/M•M/M/M/...

Double-dick party by Joey The thing to do is double down on the hors d'oeuvres. 926 words Added Mar 2003 15k views 4.3 stars (8 votes) •Huge Cock•Multicock

Dupli-Days: Valentine’s Day by TwinReplica This story follows Parker, a single guy on Valentine’s Day whose wish to be with his true love (himself) comes true! 2 parts 4,998 words Added Aug 2022 2,204 views 4.3 stars (8 votes) •Replication•Selfcest•Valentine’s Day •M/M•M/M/M•M/M/M/...

Knot your average wolf by Bryan Two friends take a shortcut home but are interrupted by a ferocious beast. Brandon is face to face with the wolf and has to take something home with him that will change his life forever. 2,132 words Added Nov 2019 7,679 views 4.3 stars (8 votes) •Transformation•Humiliation•Werewolves •M/M

Scott by VladBath 12 parts 18k words Added Jul 2002 23k views 4.3 stars (8 votes) •Muscle Growth•Muscle/Strength•Muscle Worship

The trunk by Cris Kane A homeowner is surprised when he opens a trunk left behind by the previous resident. 1,988 words Added Apr 2022 3,680 views 4.3 stars (8 votes) •Djin/Jinn/Genie •M/M

The universe of Babbel by brazboy In an endless universe, everything that could ever happen must be happening somewhere, even events that are so unlikely as to be almost impossible. In one of billions of worlds that are exactly or almost exactly like ours, Ricardo was hit by one of those black swarm events, which changed him forever. 2,354 words Added Mar 2023 4,879 views 4.3 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle Growth•Public Nudity•Increased Libido•Transformation•Giants•Size Increase•Destruction/Violence•Complete •M

Useless by Now Voyager I’ve always had a thing for hung bottoms. They’re a special kind of stupid, with their huge, useless dicks. I’ve got a hookup coming over a little later who fits that exact description, and I’m going to make him realize just how useless his big dick really is. 3,344 words Added Aug 2020 7,181 views 4.3 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nosecock•Set during the Pandemic

Cocksville by Erik Maskot A young man with a 2-incher desperately seeks help. But the medicine he starts taking doesn't seem to be doing anything... (another case of exceeding the recommended dosage!) 4 parts 4,956 words Added Oct 2002 24k views 4.3 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Size Increase

The Epson boy by Josh Dugan A lame, made-up excuse to meet a home town four-legged boy pays off. 1,810 words Added May 2002 7,088 views 4.3 stars (7 votes) •Four Legs•Multilimb

Eric and Scott by TheFitz A slow-burn romance with a bit of fantasy involving a nerd and a jock whose secrets aren't enough to keep them apart. 8 parts 11k words Added Oct 2020 5,108 views 4.3 stars (7 votes) •Muscle/Strength•First Time/Virgin•Supernatural •M/M

Friendly transformations by Richard Buttstuff A group of four college guys leave a wrestling match angry at each other and at the world. They meet an entity that makes them learn to love instead of hate. 7,424 words Added Sep 2023 6,245 views 4.3 stars (7 votes) •Cock Growth•Cock Shrinking•Cock Theft•Cockless•Human to Cock•Hyper Cum•Multi-balls•Multicock•Boytaur•Four Legs•Getting Dumber•Straight to Gay•Muscle Growth•Public Nudity•Man Scent•Stretchy•Getting Handsomer•Transformation•Size Increase•Hair Growth/Getting Hairy•Hairless•Nonconsensual change•Nonconsensual sex•Merging•Centaurs•Urban Fantasy•Complete •M/M•M/M/M/...

Grower by Richard Jasper 1,645 words Added Aug 2002 19k views 4.3 stars (7 votes) •Muscle Growth•Muscle/Strength•Gradual Change•Suggestion •NS

Interactive monitor by James Fourlegs Amazing what can be done with just a little change to the motherboard. 1,880 words Added Apr 2003 10k views 4.3 stars (7 votes) •Four Legs•Multileg•Multilimb•Six Legs•Wristfeet•Foot Growth •M/M•M/M/M

Jake’s fantasy by West Jake gets promised his fantasies will come true, and wastes no time when they do. 2,167 words Added Oct 2021 12k views 4.3 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Muscle Growth•Getting Taller•Size Decrease•Size Increase•Absorption •M/M

Leo on a dark night by StudMscl 2 parts 13k words Added Oct 2003 14k views 4.3 stars (7 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength

No limits by Corwin There’s a secret serum that makes you super-muscled and super-strong, but what you do with that—that’s all you. 7 parts 21k words Added Mar 2020 26k views 4.3 stars (7 votes) •Cock Growth•Huge Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship

The seashell by MegaMaker Clay’s best friend TJ is trying to help him get a boyfriend at local beach known for having loads of hot guys. This task is harder that they first thought because every guy they meet is into buff guys. Clay feels he falls short of that until he finds a magic seashell that changes him to a hunk of a man. Clay becomes full of himself and takes things too far. 8,336 words Added Feb 2023 9,314 views 4.3 stars (7 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Hyper Muscle•Hyper Strength•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Public Nudity•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase •M/M

Seeing stars by OneLuckyGuy89 12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. 2 parts 8,520 words Added Mar 2020 Updated 30 May 2020 12k views 4.3 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Gay to Straight•Muscle Growth•Muscle Gut•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Twins•Nonconsensual change•Infectious•Merging•Superhero/Supervillain

Setting up an account by Ogrebear Metabods customer service is always ready to go that extra step to ensure total satisfaction. 3,056 words Added Apr 2012 13k views 4.3 stars (7 votes) •Multiarm•Multilimb•Muscle Growth•Muscle/Strength

The subway by Massiveboy 3,124 words Added Jul 2002 13k views 4.3 stars (7 votes) •Muscle Growth•Muscle/Strength

Unicorn Frappuccino by Tym Greene A wizard causes a little transformational pandemonium at a franchise coffee/sandwich shop. 4,430 words Added May 2021 4,569 views 4.3 stars (7 votes) •Transformation•Human to Animal/Anthro•Human to Inanimate•Nonconsensual change•Merging•Anthro/Furry•Witch/Warlock/Wizard •M/M•M/M/M

The viral video by NBCK99 After a video titled “Four-Armed Ballet Guy” goes viral, Viraj can’t get the dancer off his mind. 3,633 words Added Oct 2022 3,593 views 4.3 stars (7 votes) •Multicock•Multiarm•Multilimb•Muscle Growth•Always Shirtless•Public Nudity•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Retcon•Suggestion •M/M

Accepting I’m different by BTEREN James knew he was different from everyone else, but when he ends up rooming with someone he accidentally falls for, will he accept James for who he is? 4,996 words Added Jan 2023 3,786 views 4.3 stars (6 votes) •Hyper Cum•Multicock•Hairless •t/t

Alien tormentors by James Fourlegs Unseen aliens juice the daylights out of their captives. 1,004 words Added Dec 2004 24k views 4.3 stars (6 votes) •Huge Cock•Multicock•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Muscle/Strength•Selfcest•Aliens

Another big morning by Thatbadwriter It never fails. You’re sitting there on the living room floor with your cereal trying to watch some TV, when your dad comes down and decides Saturday morning is the perfect time to start growing and getting himself off. And then your horny brother comes home… 1,226 words Added Nov 2020 26k views 4.3 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers•Father/Son•Destruction/Violence•Complete •M

Frank by Anonymous A tall but weedy student is an easy target for high school bullies until an accident turns everything around for him. 3,753 words Added Jul 2006 17k views 4.3 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change •t

Host User by Double-U An unexpected package arrives with a strange device inside, and shortly thereafter your asshole roommate starts being really nice to you. Coincidence? 1,913 words Added Nov 2020 6,032 views 4.3 stars (6 votes) •Straight to Gay•Muscle/Strength•Body Swap•Hypnosis•Mind Control

It’s a piece of cake! (revised) by Woynich James Miller finds a magic cookbook and bakes up a harem of anthropomorphic cakes that have different powers when he eats pieces of them. There’s a crumb cake with “EAT ME” written into his chest with currants, a blueberry shortcake, a stack of pancakes, and sure to be many other varieties soon. 3 parts 9,461 words Added Aug 2020 7,552 views 4.3 stars (6 votes) •Cockless•Immobility•Belly Growth•Voice Deepening•Getting Taller•Size Increase•Inflation•Bodily Fluids•Set during the Pandemic

Self-care by Aftercalen At his boss’s behest, Bronas does a little self-care on the job. 737 words Added Apr 2023 2,363 views 4.3 stars (6 votes) •Huge Cock•Self-suck •M

Snow in the North Pole by iHeywood Snow doesn't know what to do with his life after barely graduating high school. Maybe Santa will have an idea. 1,255 words Added Dec 2022 2,536 views 4.3 stars (6 votes) •Huge Cock•Incest•Brothers•Father/Son•Christmas •M/M•M/M/M

Super Hard Planet Champions by BRK Logan and his buddies, along with the hot guy from the bowling alley Logan has a crush on, get pulled into a fight to save the universe from the evil Skorth. If only it didn’t involve wearing color-coded Lycra. 3 parts 19k words Added Aug 2017 Updated 11 May 2018 14k views 4.3 stars (6 votes) •Replication•Muscle Growth•Muscle/Strength•Size Increase•Selfcest•Lycra/Spandex•Aliens•Space Travel

The system by muscl4life It turns out it’s all about the chakras. 8,353 words Added May 2016 13k views 4.3 stars (6 votes) •Muscle Growth•Muscle/Strength•Dom/Sub •M/M

Wrong number by Dream Big A mysterious phone call and a burst of static on the line triggers some changes. 790 words Added Jan 2021 6,219 views 4.3 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth

You’re growing bigger! by John Smith This is a POV (Point Of View) story where you are a teenager that gets the opportunity to grow bigger and more endowed. 1,838 words Added Sep 2021 11k views 4.3 stars (6 votes) •Cock Growth•Huge Cock•Giants•Plausible Size Difference•Size Increase •t•NS

Puberty is a bitch by Lover Boy 2 Brad thought he was done with puberty, so he’s perplexed and a bit alarmed by a new wave of growth that keeps hitting him at just the wrong moment. 11 parts 15k words Added Sep 2009 173k views 4.2 stars (30 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Gradual Change•Size Increase •t/t

Danny’s dick by Zot57 10 parts 7,661 words Added Feb 2010 84k views 4.2 stars (27 votes) •Cock Growth•Huge Cock•Hyper Cock

Basically a god by CurlyJin What do you do when the kid you bullied in high school becomes a god? 9 parts 31k words Added Jul 2016 Updated 15 Jun 2019 83k views 4.2 stars (24 votes) •Cock Growth•Huge Balls•Hyper Cock•Hyper Cum•Getting Taller•Giants•Size Increase•Bisexual•Hetero Sex•Lycra/Spandex•Space Travel•Superhero/Supervillain•Flying•X-Ray Vision •M/M

Growing closer by Chance Micheals Spying on Luke, the object of his lust, young Gareth discovers that Luke is even more special than he thought—and then Luke’s brother shows up. 1,018 words Added Jun 2015 18k views 4.2 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers •M/M

Mal Sueno: A Halloween tale by JayPat When a dumped ex seeks revenge on a hot muscle douche named Luke, it means a chance for his scrawny younger brother Jordan to turn the tables. 3 parts 9,079 words Added Nov 2018 19k views 4.2 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Humiliation•Nonconsensual change•Halloween •M/M•M/M/M

Supermen by Also Known As Todd agrees to be the first human subject for a muscle growth serum, little knowing how massive the effects would be, for himself and everyone else. 9 parts 77k words (#38) Added Oct 2002 90k views 4.2 stars (18 votes) •Cock Growth•Hyper Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•First Time/Virgin•Hyper Pheromones•Flying

Wish list by Neltharion5 Two men rub a lamp at the same time and have to wish for each other, and, completely unaware of what they’re doing, go a little overboard. 4,051 words Added Aug 2016 23k views 4.2 stars (17 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Retcon•Dom/Sub•Djin/Jinn/Genie•Fantasy Realm•Supernatural

Muscl Hansl by Jerkoffcentral Hans, wandering in the wrong forest, encounters a herd of mindless muscle slaves, and soon the god that made them that way—and he’s determined to make an example of Hans. 2 parts 9,486 words Added Jun 2014 Updated 25 Jul 2014 20k views 4.2 stars (16 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Nonconsensual sex•Sex-Slave•Pagan gods •M/M

Big is better by XH4M Pete and Sam experience epic growth, unexpected adventures, and sweet romance. 32 parts 111k words (#19) Added Oct 2003 76k views 4.2 stars (15 votes) •Huge Cock•Nipcocks•Muscle Growth•Muscle/Strength•First Time/Virgin•Demons•Witch/Warlock/Wizard•Hypnosis •M/M

Grow gravity by Unknown A recipient of wish-granted morphing abilities decides to see how far he can go changing his buddy Dave. 3,249 words Added Aug 2003 32k views 4.2 stars (15 votes) •Cock Growth•Hyper Cock•Addiction•Hyper Muscle•Muscle Growth•Muscle/Strength•Giants•Size Increase•Immortality •M/M

Addiction by Hatman “… I gotta have more! I need more! Give… me… MORE!” pleads our young scientist. 1,916 words Added May 2010 40k views 4.2 stars (14 votes) •Cock Growth•Huge Cock•Cum inflation•Hyper Cum•Stretchy•Hyper Anus

Grow and get huge by Massiveboy 1,112 words Added Jul 2002 48k views 4.2 stars (14 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Hair Growth/Getting Hairy

My brother’s boyfriend by Richard Jasper Hunky, straight Marine Kyle is gobsmacked to find out that his bigger, hotter baby brother has an even bigger, hotter boyfriend! 5 parts 8,843 words Added Feb 2020 19k views 4.2 stars (14 votes) •Huge Balls•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Hyper Pheromones

Ruler of the universe by John Cahill Jeff, a perfectly ordinary teenager with a perfectly ordinary body, starts growing right in the middle of a perfectly ordinary schoolday. At first he’s embarrassed, but the more out of control the growth becomes, the less he cares. 5,140 words Added Jun 2015 28k views 4.2 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Hair Growth/Getting Hairy •M

Supplement by BRK Those vitamin pills in your roommate’s cabinet aren’t necessarily what you think they are. 1,946 words Added Jun 2003 12k views 4.2 stars (13 votes) •Huge Cock•Hyper Cum•Multicock•Complete

Getting high on a Tuesday afternoon by Kjarri I get high, and I have some transformation fun with a neighbor. 1,202 words Added Oct 2020 5,263 views 4.2 stars (11 votes) •Cock Growth•Multicock•Multiarm•Multileg•Multilimb•Stretchy•Transformation•Getting Taller•Size Increase•Cannabis

I, phone by BRK Will’s new fringe-brand phone has some strange features, including a joke setting to exaggerate a bit when you ask it about you. 2,465 words Added Jun 2022 7,749 views 4.2 stars (11 votes) •Cock Growth•Huge Cock•Multi-abs•Multicock•Muscle Growth•Getting Taller•App•Retcon•Suggestion•Complete •M/M/M

I think... by EdIam Larry wants to think for Zack. 12 parts 151k words (#6) Added Apr 2021 Updated 13 Aug 2022 21k views 4.2 stars (11 votes) •Other Mental Changes•Straight to Gay•Muscle/Strength•Age Difference•Incest•Brothers•Twins•Dom/Sub•Humiliation•Hypnosis•Mind Control •M/M•M/M/M

Green legacy by JayPat Billy, the tough loner kid, has a secret ability to grow suddenly, hugely bigger. He decides to share his secret with Sam, and Sam has no idea why. 10 parts 52k words (#68) Added Oct 2012 30k views 4.2 stars (10 votes) •Muscle Growth•Muscle/Strength•Size Increase•Destruction/Violence•Sex-Slave

The misspent curse by BRK Kit unwittingly unleashes his curse-power on his cheating boyfriend, triggering life-changing consequences for them both. 4,482 words Added Apr 2021 8,971 views 4.2 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Handsomer•Nonconsensual change•Complete

Photo stash by BRK Jerking off while baked can lead to unpredictable results. 1,801 words Added Jun 2021 6,671 views 4.2 stars (10 votes) •Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Muscle Growth•Getting Taller•Hair Growth/Getting Hairy•Selfcest•Complete•Cannabis •M/M•M/M/M

Quarantine weight by Aphon Quarantine has a way of making the days blur together. After a while, it’s easy to forget what your body used to look like before your favorite Meal Replacement XL shakes. 2 parts 1,793 words Added Feb 2021 12k views 4.2 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Belly Growth•Gradual Change•Hair Growth/Getting Hairy•Set during the Pandemic •M

Best body modification ever by Oneleg Smith Mike meets an unconventional surgeon who specializes in improving your body and making sex better in unexpected ways. 1,994 words Added Mar 2019 21k views 4.2 stars (9 votes) •Cock Growth•Huge Cock•Transformation•Rubber/Latex•Hyper Anus

CAFE blues by JayPat Five-foot-nothing Colin dreams of getting bigger. Then he meets muscle-stud Charles’s dazzling brother Sky and all of his fantasies intensify, leading to his seeking out the secrets of height and muscle growth. 5 parts 26k words Added Aug 2019 Updated 24 Aug 2019 17k views 4.2 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •t/t•t/t/t

The cursed ride by SomeMuscleGuy When Kalos is overcome with a sudden surge of growth on his motorcycle ride with Epsilon, he must get to the city before he becomes too big. 8,330 words Added Feb 2023 10k views 4.2 stars (9 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Destruction/Violence•Dom/Sub•Nonconsensual change•Complete •M/M

Influenced by BRK Dwayne is excited at having won a video chat with Mayson, the hottest of all the gorgeously-muscled fitness models and insta-hunks he follows online. Then things take strange turn when Mayson reaches into the fruit bowl next to him and pulls out a banana—an inexplicably blue banana. 3,497 words Added Dec 2021 7,575 views 4.2 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Multicock•Other Mental Changes•Muscle Growth•Muscle/Strength•Getting Taller•Tongue Growth•Retcon•Suggestion•Complete •M/M

Space clones by Josh Dugan A brilliant cousin, like his spaceship, is full of himself, but there's room for one more. 2,338 words Added Nov 1998 9,129 views 4.2 stars (9 votes) •Four Legs•Multiarm•Multilimb•Replication•Selfcest•Space Travel•Set in the Future

Wrappers by BRK I’m a little oblivious sometimes, but when you walk into class and all your students look like the same young and hunky actor, you start to get a clue that something is up. 3,401 words Added Jul 2005 14k views 4.2 stars (9 votes) •Cock Growth•Huge Cock•Multicock•Replication•Transformation•Getting Taller•Selfcest•Complete

Airport muscle by Richard Jasper When you have a really long layover, having a sleeping cube comes in handy! 5 parts 5,889 words Added Jan 2020 14k views 4.2 stars (6 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Shapeshifting •M/M

Amplifications by Also Known As I did not start out this way, the way I am now, the way you know me, the way you see me. Of course I didn’t. No one could. No one could look like me, do the things that I can do, be this perfect instrument of pure sexual power without…a little help. 5 parts 23k words Added Jan 2014 25k views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase

College town by James Fourlegs A randy warlock remains circumspect about having turned the whole town into a herd of boytaurs. 945 words Added May 2002 13k views 4.2 stars (6 votes) •Multicock•Boytaur•Multilimb•Replication•Wristfeet•Incest•Twins•Selfcest

Crazy guy by James Fourlegs Crazy, but in an exasperating and lovable way. 1,229 words Added Jul 2000 12k views 4.2 stars (6 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Detachable•Selfcest

Ever upward by Jonathan Banner Though already a giant amongst men, a growth-obsessed hulk acts on his insatiable desire to grow even bigger. 2,496 words Added Aug 2016 12k views 4.2 stars (6 votes) •Size Increase

Ice ice baby by David A well-hung rap star has an encounter with a couple of very devoted fans. 7 parts 24k words Added May 1997 31k views 4.2 stars (6 votes) •Cock Growth•Cock Pumping•Huge Cock•Hyper Cock•First Time/Virgin •M/M•M/M/M•M/M/M/...

The institute by FanTCMan Two intrepid newsmen get a little too close to the story. 2,641 words Added Dec 2002 15k views 4.2 stars (6 votes) •Cock Growth•Getting Dumber•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Hair Growth/Getting Hairy

Journal of a scientist by Shawn D. Stewart Dr. Mike Hays documents the effects of the nanotechnology he designed to make himself bigger and stronger. 2 parts 3,235 words Added Jun 2011 23k views 4.2 stars (6 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength

King size by Max Mann Jonathan, a young wizard, uncovers a poison plot against his friend, the beautiful king Gavin. Unfortunately, the potion to stop it may have some side-effects on the monarch. 5,656 words Added Jan 2013 28k views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength

Mariposa Halloween by Cris Kane Lance brings a special surprise before he and his friends head out to West Hollywood for the Halloween block party. 2 parts 8,551 words Added Nov 2021 Updated 13 Nov 2021 6,211 views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Increased Libido•Transformation•Hair Growth/Getting Hairy•Werewolves•Supernatural•Halloween •M/M/M/...

Musc cosmetics by Writ Bro Skinny guy Liam discovers a hidden-away shop apparently called Musc Cosmetics, and his curiosity is aroused. 2,568 words Added Jun 2013 16k views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Muscle/Strength

My first Pokemon by Thatbadwriter Seth decides to adopt a Pokémon, but the one he picks out isn’t like the others. 2 parts 3,610 words Added Jan 2021 Updated 30 Jan 2021 8,949 views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Giants•Size Decrease•Size Increase•Anthro/Furry

The tailor by screamingmoist A trip to an exclusive tailor ends in more than a new wardrobe. 4,618 words Added Jan 2024 3,569 views 4.2 stars (6 votes) •Huge Cock•Cock Body•Straight to Gay•Muscle Growth•Butt Growth •M/M

The takeover by brazboy The Carvalho lads recently lost their father, and now they have to decide whether to part away with their farm as well—a tough decision for the handsome bulltaurs, whose family had long inhabited those beautiful meadows.  2 parts 6,418 words Added Jan 2024 1,514 views 4.2 stars (6 votes) •Huge Cock•Cum Milking•Hyper Cum•Nipple Emissions•Multicock•Muscle Breast•Incest•Brothers•Nonconsensual sex•Restraints•Sex-Slave•Anthro/Furry •M/M•M/M/M

Three brothers by Wawa Three brothers get infected with a digital virus that grows them to their true selves. 1,702 words Added May 2022 12k views 4.2 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Pec Fucking•Muscle Breast•Muscle Growth•Muscle Gut•Belly Growth•Giants•Size Increase•Getting Fatter•Incest•Brothers•Nonconsensual change •M/M•M/M/M

Vitality Health Foods by Josef Howard The quaint health food shop sells supplements that are remarkably effective—if used as directed. 6,426 words Added Apr 2017 14k views 4.2 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Increase

The application by Jefftaur Ted’s application to the Leg Wheel Program is approved, and he’s very excited. 3,981 words Added Feb 2009 9,566 views 4.2 stars (5 votes) •Multicock•All Legs•Lots of Legs•Multileg•Multilimb

Beyond the gate by Ziel A pair of pilgrims makes their way to the holy land and find out firsthand what lies beyond the gate. 4,378 words Added Jun 2018 9,202 views 4.2 stars (5 votes) •Huge Cock•Hyper Cock•Giants•Size Increase•Pagan gods

Failed revenge by GiantGuy A high school senior concocts a serum to get revenge on his longtime bully, but it doesn’t quite go to plan. 1,944 words Added May 2003 31k views 4.2 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Flexing out of clothes by Manning 1,254 words Added Jul 2002 27k views 4.2 stars (5 votes) •Muscle Growth•Muscle/Strength

Four by Bud Boytaurbody An odd setting on this camera customizes more than just the picture. 1,656 words Added May 2006 8,105 views 4.2 stars (5 votes) •Four Legs•Multileg•Multilimb•Retcon

Greek island prize winner by Jim 2 parts 2,630 words Added Jun 2002 11k views 4.2 stars (5 votes) •Cock Growth•Multicock•Muscle Growth•Getting Handsomer•Voice Deepening•Hair Growth/Getting Hairy•Centaurs

Hamid and the new normal by Dream Big Hamid is tired of not measuring up to the other guys. Then, seeking to escape a torrential downpour, he finds a strange bottle and pulls out the stopper. 3 parts 3,344 words Added May 2020 7,774 views 4.2 stars (5 votes) •Cock Growth•Muscle Growth•Getting Taller•Size Increase•Djin/Jinn/Genie

Kiss me by Zboro Damien and his straight best friend (and secret crush) Jack spend a night watching a cascade of shooting stars, joking about the wishes they’d make to be bigger if the whole “wishing on a star” thing were real. But when the stars start to whizz by overhead, all Damien and Jack care about is getting closer to each other. 4,977 words Added Nov 2017 15k views 4.2 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Anthro/Furry •M/M

Macrocosm by TylerGermany The new guy in class is eight feet tall, and that’s just the start of what draws Luke to him. 2 parts 9,387 words Added Feb 2016 Updated 16 Mar 2016 17k views 4.2 stars (5 votes) •Muscle/Strength•Plausible Size Difference

Medicine show continues by Longbow9 The Homer’s Odyssey of breast and cock expansion stories is continued by the story’s original creator, complete with even more breast and cock expansion. 8 parts 9,335 words Added Mar 2016 20k views 4.2 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Bisexual•Hetero Sex

Party of the year by screamingmoist A pair of friends end up with both tricks and treats after a Halloween party takes them in an unexpected direction. 5,696 words Added Oct 2022 4,389 views 4.2 stars (5 votes) •Muscle Growth•Transformation•Age Progression•Hair Growth/Getting Hairy•Halloween •M/M

The reshaping rainstorm by Godzilla Elliot stands in a rainstorm and tries to forget his breakup. The rain helps him out by giving him a bigger and bigger cock to absorb his attention. 922 words Added Feb 2009 13k views 4.2 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock

Royal power lust by ZeroZeroNull A cocky ruler attempts to find a way to get rid of his enemies, only for his plan to backfire “horribly”. 3,411 words Added Nov 2019 10k views 4.2 stars (5 votes) •Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Belly Growth•Plausible Size Difference•Dom/Sub•Anthro/Scaly

Super masturbation by yc2201 15-inch muscleman gets off using a car. 1,102 words Added Jan 2024 2,767 views 4.2 stars (5 votes) •Huge Cock•Hyper Cum•Hyper Strength•Muscle/Strength•Complete •M

Third eye growth by think.big Daniel has some fun using his paranormal gift to remotely "push" an underendowed bodybuilder into a form they both find much more exciting. 3 parts 4,195 words Added Jun 2015 Updated 27 Oct 2015 22k views 4.2 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Nonconsensual change •M/M

To grow a goblin by Everspark Kept prisoner in a dungeon for too long, Ethan has been resisting the drink that will make him more than the weakling he is, but his will is wearing down—and his desire is unabated. 2,424 words Added May 2023 5,061 views 4.2 stars (5 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Muscle Worship•Pointy Ears•Belly Growth•Feeding•Transformation•Getting Taller•Size Decrease•Size Increase•Orcs•Fantasy Realm•Complete •M/M/F

Transform: New Blood by Also Known As The formula Carlos developed, Transform, has made him and his friends into veritable gods. Soon their numbers will be growing, thanks in part to a video featuring a guy known only as Self-Suck Sam. 47 parts 188k words (#5) Added Jan 2014 45k views 4.2 stars (5 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Voice Deepening•Size Increase•First Time/Virgin•Infectious•Flying

Welcome to Starcocks! by TheFreezingBox Just a visit to my favorite coffee shop Starcocks on an average day like any other. 4,862 words Added Jul 2023 3,365 views 4.2 stars (5 votes) •Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Public Nudity•Man Scent•Increased Libido•Retcon•Bodily Fluids•Hyper Pheromones •M•M/M

Charles’s monster by Locky Jason saw Charles' monster in high school. Three years later, there's even more to see. 1,748 words Added Aug 2006 79k views 4.1 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Size Increase •M/M

Twin studs by Anonymous 3 parts 43k words (#91) Added Jul 2014 19k views 4.1 stars (23 votes) •Huge Cock•Multicock•Multiarm•Multilimb•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins

Sk8r dreams by Reaver The Maker is an app that gives you the ability to remake the world around you. That means a better house, a hotter body—and it definitely means turning a few guys in your life into happy, hunky skater bois. 19 parts 59k words (#52) Added Oct 2003 44k views 4.1 stars (19 votes) •Cock Growth•Ball Growth•Huge Cock•Replication•Always Shirtless•Increased Libido•Transformation•Voice Deepening•Age Regression•Race/Ethnicity Change•App•Retcon•Selfcest•Nonconsensual change•Infectious•Mind Control

A day at the beach by Thatbadwriter You watch in dismay and amazement as your father, who’s gained the ability to grow himself to giant size in a freak medical accident, takes a trip to the beach with you and decides to make himself bigger than he’s ever tried to become before. 1,624 words Added Aug 2019 14k views 4.1 stars (17 votes) •Huge Cock•Hyper Cock•Giants•Size Increase•Age Difference•Incest•Father/Son•Destruction/Violence

Male scent by Frank Easky Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. 2 parts 14k words Added Jul 2002 62k views 4.1 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Man Scent•Getting Taller•Giants•Size Increase•Age Regression•Hair Growth/Getting Hairy•Incest•Brothers•Twins•Hyper Pheromones•Infectious

Transform: Muscle City by Also Known As Emotionally, the Muscle Club has become a community of transformed men who are farm beyond normal. Now is the time to make it a literal community all its own—a city of transformed muscle. 21 parts 120k words (#15) Added Jan 2014 48k views 4.1 stars (17 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•Size Increase•Infectious •M/M•M/M/M

Shirtbusters by TFWizard Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. 2 parts 6,769 words Added Oct 2005 48k views 4.1 stars (16 votes) •Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son

Boys will be boys by FanTCMan 1,823 words Added Aug 2002 25k views 4.1 stars (14 votes) •Muscle Growth•Muscle/Strength

Ever growing by MaxMorphs An account of what it’s really like to have a dick that keeps growing and growing and growing, sometimes fast, sometimes slow, but always more than you expect. 4,842 words Added Sep 2016 40k views 4.1 stars (14 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Bisexual•Hetero Sex

A Tale of Two Brothers: Donnie & Marco by Artotter92 Two brothers end up the unwilling subjects of their father’s science experiments, with some pretty extreme results. 3,937 words Added Jan 2023 11k views 4.1 stars (14 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Increased Libido•Gradual Change•Transformation•Voice Deepening•Forced Growth•Size Increase•Age Progression•Hair Growth/Getting Hairy•Incest•Brothers•Stories with Images •M/M

Logan by Egi A simple tale of a small guy growing bigger. 3 parts 7,284 words Added Jun 2017 Updated 16 Jun 2017 17k views 4.1 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

Destructive boys: Mason’s fantasy by MarcusB00 Everybody has a fantasy, but when one muscular person has a chance to experience his fantasy outside of reality, things can get messy and crazy. Especially messy. 4,616 words Added Oct 2020 11k views 4.1 stars (12 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Pec Fucking•Hyper Strength•Muscle Growth•Muscle/Strength•Destruction/Violence

Arturo, the boss’s driver by Ash D. A young employee is captivated by the boss's very muscular driver, and Arturo doesn’t mind the appreciation. 1,483 words Added Nov 2018 8,396 views 4.1 stars (11 votes) •Hyper Cum•Muscle/Strength •M/M

Biological inheritance by Frank Easky Sean discovers he had been magicked into early maturation to prevent his growth. The mage who imparted this information then attempts to set things right. Will Sean grow into his true biological inheritance? 5,755 words Added Jul 2002 51k views 4.1 stars (11 votes) •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Witch/Warlock/Wizard •M/M

Catfished by MuscleNexus Rory his getting exasperated with the selection of unappealing men on his dating app. Then he comes across Buck, only a half mile away and looking for twinks over muscle. What his profile doesn’t say is why. 1,694 words Added Sep 2018 15k views 4.1 stars (11 votes) •Muscle Growth•Transformation•Hair Growth/Getting Hairy•Nonconsensual change

Growing guy by Massiveboy 2,179 words Added Jul 2002 24k views 4.1 stars (11 votes) •Muscle Growth•Muscle/Strength

Voodoo mama by NCStudBoy Spring break in New Orleans—as everyone knows, a sure-fire recipe for strange encounters and voodoo muscle growth. 2,587 words Added Jul 2014 11k views 4.1 stars (11 votes) •Huge Cock•Muscle Growth•Muscle/Strength•First Time/Virgin •M

EH for short by MegaMaker In a world where certain men become enhanced through a genetic mutation, Corey one day decides to try to meet one at a local beach known for being a hotspot for enhanced humans. When he stumbles on Cliff, a connection develops that’s stronger than he’d expected. 11k words Added Feb 2023 8,679 views 4.1 stars (10 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Butt Growth•Increased Libido•Gradual Change•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Race/Ethnicity Change•Nonconsensual change•Complete •M/M

Read aloud 2 by BRK Barry’s habit of listening to gay erotica on his shift watching monitors as a security guard at a high-tech installation leads him to try the new read-aloud feature on his favorite website. 2,834 words Added Jan 2021 4,809 views 4.1 stars (10 votes) •Extra digits•Multicock•Multiarm•Multilimb•Getting Taller•Plausible Size Difference•Size Increase•Retcon•Suggestion•Complete

Cursed cocks by CockTFBoi Marcus is having a horny night in the dorm when an inadvertent wish by his roommate sends him on a path to a new life. 8 parts 25k words Added Aug 2020 26k views 4.1 stars (9 votes) •Cock Growth•Cock Shrinking•Cum inflation•Hyper Cum•Public Orgasm•Female to Male•Addiction•Straight to Gay•Muscle Growth•Man Scent•Increased Libido•Gradual Change•Hair Growth/Getting Hairy•Hairless•Nonconsensual change•Hyper Pheromones •M•M/M•M/M/M/...•M/F

A little somethin’ by MegaMaker After two longtime friends spend the day at the beach, Davey can't help but notice how muscular his buddy Sam has gotten. When Davey asks about it, Sam’s reactions are more than a little unexpected.  2 parts 6,908 words Added Jan 2023 11k views 4.1 stars (9 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Public Orgasm•Multi-abs•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Butt Growth•Increased Libido•Gradual Change•Size Increase•Complete •M/M

A new life by ChangeRedhawk Arik and Ana, a pair of fae, are assigned to “reclaim” Jason, who is unaware of his heritage. 2,067 words Added Mar 2006 24k views 4.1 stars (9 votes) •Huge Cock•Muscle/Strength•Size Decrease•Size Increase•Mermen•Fantasy Realm •M/M

Prize pig husband by Musclesaber Commission for @bigmanfan2 on twitter: After buying a new home, John and Carl find some interesting things that the previous owners left behind. 2,329 words Added Aug 2022 7,518 views 4.1 stars (9 votes) •Cock Growth•Huge Cock•Belly Growth•Getting Taller•Giants•Size Increase•Getting Fatter •M/M

Surgery by Clearlyhere Derrick submits to a procedure that may solve his … little problem. 3,258 words Added Jan 2012 21k views 4.1 stars (9 votes) •Huge Balls•Huge Cock•Straight to Gay•Muscle Growth

Barbaric times by alwaysmyway Hockey star Brett is seething with anger and bitterness after his rival has taken his leadership of the team and his girl, when a strange voice offers to show him the barbarian path to revenge. 3,449 words Added Aug 2012 24k views 4.1 stars (8 votes) •Cock Growth•Huge Cock•Other Mental Changes•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Nonconsensual sex•Supernatural •t•t/t

Elementary, Dr. Robinsen by Tereshky A talented scientist develops a revolutionary new muscle-growth serum, and learns the perils of self-experimentation. 1,015 words Added Feb 2020 6,897 views 4.1 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength •NS

The gaincation by Goldcoaster Middle-aged Tom decides to take a chance on growing the belly he’s always wanted. It comes with other changes he never could have dreamed of. 8,865 words Added Feb 2022 6,292 views 4.1 stars (8 votes) •Belly Growth•Transformation•Getting Fatter •M/M/M

Giant by Joey A giant what? Need you ask? 3,579 words Added Oct 2005 36k views 4.1 stars (8 votes) •Huge Balls•Huge Cock•Human to Cock•Cock Body•Hyper Cock•Hyper Cum

Hockey growth by Hockey stud The day everything changed. 803 words Added Mar 2023 6,862 views 4.1 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Voice Deepening•Hair Growth/Getting Hairy•Complete •t/t/t...

Horse sense by The Obsessive-Compulsive 7,307 words Added Jul 1995 21k views 4.1 stars (8 votes) •Cum inflation•Centaurs

Joshworld.com by BRK Josh explains what it’s like to be as big and as hung as he is. 2,426 words Added Oct 2002 16k views 4.1 stars (8 votes) •Huge Cock•Self-suck

The queen by Dylan Utah As a big muscle alpha on campus, Peter had been used to admiration and envy. What he didn’t expect was to be captured and used for his growing muscles and cock. 880 words Added Aug 2020 13k views 4.1 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Immobility•Muscle Growth•Muscle/Strength•Nonconsensual change•Symbiotes

The Rednex incident by BRK Driven to a loss of self-control by a stressful work week and a particularly annoying coworker, Ogden unwittingly reveals his secret huge and awesomely sexy body to a very appreciative Luís. 3,146 words Added Feb 2018 11k views 4.1 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•All Dialog•Complete

(April) fool for love by BRK Joe decides he’s been pining for his roommate Rafe long enough, so he uses his sneakily-obtained knowledge of Rafe’s fringe erotica tastes and the pretext of April Fool’s day to pretend he’s set his roomie up on a blind date with his ultimate dream guy. 2,689 words Added Apr 2023 4,348 views 4.1 stars (7 votes) •Huge Balls•Huge Cock•Hyper Cock•Multiarm•Multilimb•Muscle Growth•Stretchy•Getting Taller•Plausible Size Difference•Size Increase•Retcon•April Fool’s Day •M/M

Corporate growth by screamingmoist Corporate growth can take on a whole new meaning if you cross the wrong people. 6,574 words Added Sep 2021 10k views 4.1 stars (7 votes) •Cock Growth•Getting Dumber•Straight to Gay•Muscle Growth•Butt Growth•Nonconsensual change •M/M

Lucky thirteen by anonymous submitter Ryan’s boyfriend comes with him to the test center for experimentation with a serum to multiply body parts. 2,973 words Added Mar 2020 7,531 views 4.1 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Extra digits•Extra facial features•Extra Mouths•Multi-abs•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Replication•Stacking•Getting Taller•Giants•Selfcest

Matt’s best friend by FanTCMan 2,557 words Added Jul 2002 22k views 4.1 stars (7 votes) •Muscle Growth•Muscle/Strength

Self-love by BRK If you keep generating new bodies and you love having sex with yourself, it’s best just to go with it. 752 words Added Feb 2005 14k views 4.1 stars (7 votes) •Multi-abs•Multicock•Multihead•Multilimb•Replication•Getting Handsomer•Selfcest

The theft by Steve McMoon Being cocky about how big your dick is might be asking for trouble. 2,246 words Added Mar 2022 9,046 views 4.1 stars (7 votes) •Cock Growth•Cock Shrinking•Cock Theft•Huge Cock•Self-suck •M/M

My son, the superstud by Max Mann Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him. 3,842 words Added Oct 2003 117k views 4.0 stars (36 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son •M

Tank the bouncer by spacevlad Bar owner Matt can only afford one bouncer for his bar, so he hires the biggest one he can find: Tank, an ex-college football player who is eager to grow even bigger. Matt has a way to make that happen, but after the first unexpectedly effective injection, the newly huge and strong Tank starts turning the tables on his boss. 18 parts 35k words Added Jun 2016 Updated 19 Aug 2016 66k views 4.0 stars (34 votes) •Straight to Gay•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Giants•Plausible Size Difference•Size Increase•Getting Fatter•Destruction/Violence•Nonconsensual change•Nonconsensual sex •M/M

Bigger issues by muscl4life Thanks to Kyle, Sean discovered his serum works better than he expected… And now his freaking muscular lover each time is more intoxicated with his newly found POWER, and can such difference of muscular capacity make the couple apart? 6 parts 47k words (#78) Added Dec 2013 142k views 4.0 stars (24 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase •M/M

Tough boy by John Bowling Kerry’s coach pushes the cocky teen to get bigger—then, with the help of a growth serum, joins him in becoming bigger than Kerry had ever thought possible. 2,931 words Added Jul 2014 21k views 4.0 stars (12 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength

Can’t help growing you by BRK Texting with his unseen lover is always hot and heavy, especially the way he takes his descriptions so literally. 1,309 words Added Dec 2012 23k views 4.0 stars (11 votes) •Cock Growth•Huge Cock•Suggestion •M/M

Hunger by PVnRT A straight man realizes he's gay in the bathroom and that he's been hungry for cock all this time. 2,069 words Added Dec 2017 16k views 4.0 stars (11 votes) •Huge Cock•Human to Inanimate•Retcon•Dom/Sub•Humiliation•Nonconsensual change•Mind Control •M/M

Nature is good for the body by West Going camping alone has its benefits. Enjoying the great outdoors is a treat by itself, but throw in some unexpected growth and you get one hell of an experience. 2,915 words Added Oct 2021 8,513 views 4.0 stars (11 votes) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hair Growth/Getting Hairy •M•M/M

You’re fired! by MuscleNexus Not only has Owen lost his job after promising scientific miracles to the military, his friend Greg falls afoul of one of his experiments. 1,643 words Added Jun 2018 13k views 4.0 stars (11 votes) •Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change

The Interview by MutaBear A college-aged jock decides to go for an interview that offers high pay with no real qualifications. What's the worst that could happen? 2,753 words Added Jan 2020 12k views 4.0 stars (10 votes) •Huge Cock•Human to Cock•Hyper Cock•Transformation•Nonconsensual change•Restraints

Matt grows up by Unknown Matt gets bullied by the bigger guys in school until he grows up—very, very suddenly. 2 parts 4,133 words Added Jul 2002 38k views 4.0 stars (10 votes) •Muscle Growth•Muscle/Strength

The blue shoebox by BRK Leo, the aggrieved grad student barista, is having a really no good, terrible, shitty day. And that’s without someone having randomly mailed him a package containing a single, inexplicable, for-some-reason-blue banana. 5,381 words Added Aug 2018 9,621 views 4.0 stars (9 votes) •Huge Cock•Multicock•Multileg•Multilimb•Three Legs•Suggestion•Ghosts•Supernatural•Complete

David’s magic body by Josh Dugan Shape-shifting David can pump his four-legged magic into you. 935 words Added Jun 1997 11k views 4.0 stars (9 votes) •Four Legs•Multilimb•Stretchy•Shapeshifting

The dream by ManInMi6 Dave had always dreamt of being able to grow like the Hulk, ripping through his clothes. Then he had a dream where he got his wish. Only—...was it a dream? 2,204 words Added Jul 2014 16k views 4.0 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

The Enclave: New meat by Also Known As Finding himself in a bar full of incredibly attractive and very friendly denizens, a man finds his experience growing increasingly surreal until finally he understands: he faces an opportunity, and a choice. 12k words Added Nov 2023 3,383 views 4.0 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Stories with Images •M/M•M/M/M

Green gassy giant growth by JKL Heyden is out checking on his crops when a strange meteor shoots by, leaving change in its wake. 1,494 words Added Apr 2020 13k views 4.0 stars (8 votes) •Cock Growth•Gender Swap•Other Mental Changes•Muscle Growth•Belly Growth•Male Pregnancy•Transformation•Voice Deepening•Giants•Size Increase•Inflation

Party time by FanTCMan 659 words Added Apr 2003 13k views 4.0 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•All Dialog •NS

Sinfulfillment by EdIam Chester is an old pervert obsessed with his coworker’s husband, Jason. Unluckily for the intensely jealous Chester, Jason is madly and irrevocably in love with the coworker, Bryan. Luckily for Chester, there’s a mysterious entity willing to give him everything he wants…if he satisfies their mysterious needs. 8 parts 52k words (#69) Added Sep 2023 Updated 11 Nov 2023 5,472 views 4.0 stars (8 votes) •Other Mental Changes•Retcon•Age Difference•Humiliation•Nonconsensual change•Sex-Slave •M•M/M

B.D.E. by Ziel While orbiting a nearby planet, the ship detects an unusual energy signature. Parker and Quill are sent down to investigate, but things take a turn for the smutty when Parker’s suit is compromised. 3,531 words Added Aug 2018 20k views 4.0 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Aliens•Space Travel•Set in the Future •M/M

Big Frank by Unknown 4 parts 3,544 words Added Jul 2002 23k views 4.0 stars (7 votes) •Muscle Growth•Muscle/Strength

The cake by Orion Matt is an average college student, frustrated with his below average body. But that is unexpectedly about to change, thanks to a little bit of magic. 4,757 words Added Feb 2017 29k views 4.0 stars (7 votes) •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy

52E by BRK Richie is finally going to get to see his boyfriend in Wales after six months apart. He’s not looking forward to folding his 6-foot-6 frame into a middle seat in the back of coach for the long Transatlantic haul, but Gareth might have discovered something that will make his flight a little easier. 3,027 words Added Dec 2021 8,286 views 4.0 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Increased Libido•Gradual Change•Transformation•Hair Growth/Getting Hairy•Witch/Warlock/Wizard•Complete •M•M/M

The lab by Cris Kane Bret receives some surprise birthday gifts from his colleagues at the bio lab. 1,892 words Added Mar 2019 9,421 views 4.0 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

Lover’s touch by BRK A first meeting between two guys who are really into extra arms. 1,527 words Added Dec 2003 10k views 4.0 stars (7 votes) •Always Hard•Multicock•Multiarm•Multilimb•Complete

Paul’s drive by LAComplex Feeling bored with your partner in an isolated place? Spice up your life and love affairs with a 200-foot growth spurt! 4,469 words Added Feb 2019 11k views 4.0 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase

Brute growth by Zhu and YungFrancis Having outgrown his previous digs, giant muscle freak Mute commissions a bigger house from fellow freak and architect Zhu. Zhu and his assistant Dohn join him for a meal, and they’re already turned on by each other’s crazy size even before they share some very special cigars. 2 parts 8,446 words Added Dec 2018 15k views 4.0 stars (6 votes) •Huge Balls•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Giants•Plausible Size Difference•Size Increase•Tongue Growth•Tobacco •M/M•M/M/M

Crack the code by screamingmoist A man uses a super computer to write more than mere programs. 4,409 words Added Nov 2021 9,429 views 4.0 stars (6 votes) •Cock Growth•Cock Shrinking•Muscle Growth•Butt Growth•Size Decrease•Retcon •M/M•M/M/M/...

A foreign Josh by Tpm45 Wandering a Caribbean island on a Spring Break trip with his self-involved parents, Josh is offered a way to achieve his secret desires. 1,066 words Added Jun 2013 18k views 4.0 stars (6 votes) •Huge Cock•Muscle/Strength •M

A hardy treat by Thatbadwriter A long-awaited end-of-day treat of oats, whey, and milk gives Alex a bigger boost than expected. 1,030 words Added Nov 2022 5,525 views 4.0 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Human to Animal/Anthro•Hair Growth/Getting Hairy •M

Lake Cascade by TheCandymanCan13 On an extended visit to a remote cabin, a bunch of guys learn something new about themselves. 17k words Added Apr 2018 8,771 views 4.0 stars (6 votes) •Huge Cock•Muscle/Strength•Bisexual•Hetero Sex

The local football team by Josh Dugan A toy ray gun actually works pretty well. 829 words Added Jun 2005 9,699 views 4.0 stars (6 votes) •Multicock•Multilimb•Three Legs

Presidential power by Max Mann 2,640 words Added Jul 2002 13k views 4.0 stars (6 votes) •Muscle Growth•Muscle/Strength

A real gym dick by West When a spirit visits Isaac on his 18th birthday, he shows off his new blessing at the gym. 2,010 words Added Oct 2021 10k views 4.0 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference •M•M/M

Tapped by AndroSun 2,675 words Added May 2006 10k views 4.0 stars (6 votes) •Cockless•Transformation

A whole new Dave by MuslLuvr 1,336 words Added Jul 2009 27k views 4.0 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy •M

Adam’s dream by Josh Dugan Bet you didn't know this about boytaur dreams. 757 words Added May 2002 14k views 4.0 stars (5 votes) •Multicock•Boytaur•Four Legs•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Selfcest

The billionaire’s secret by YellowJester A bookstore employee brings a romance book to life in an effort to help a nice customer, only to find out what The Billionaire’s Secret actually is. 1,690 words Added Feb 2024 3,080 views 4.0 stars (5 votes) •Cock Growth•Straight to Gay•Muscle Growth•Getting Handsomer•Getting Taller •M/M

Cafe Darwin by Dreammaker A few short scenes set at a café where the drinks do more than just perk you up. 4 parts 1,754 words Added Mar 2012 Updated 15 Feb 2013 26k views 4.0 stars (5 votes) •Cock Growth•Hyper Cock•Multilimb•Muscle Growth•Muscle/Strength •M/M

Cockportal by BRK After a Halloween night ambulance ride ends up at the wrong hospital, Ronnie wakes up to find discover that his removed appendix isn’t the only thing that’s different about him. 4,660 words Added Nov 2018 11k views 4.0 stars (5 votes) •Cock Growth•Huge Cock•Aliens•Halloween •M

David’s transformation by Josh Dugan The austere spirituality of David and his monastic students brings forth an abundance of limbs and wristfeet. 657 words Added May 2002 11k views 4.0 stars (5 votes) •Multilimb•Wristfeet

Don’t cum by LordTronimator A world doomed by those who find themselves unable to stop cumming once they start, recounted by an innocent victim. 1,471 words Added Sep 2020 11k views 4.0 stars (5 votes) •Hyper Cum•Nonconsensual change•Infectious•Horror

Farm-grown by Cris Kane Spindly teen Nicholas is sent to work on a Texas ranch for the summer. 2,426 words Added Aug 2019 12k views 4.0 stars (5 votes) •Muscle Growth•Muscle/Strength•Transformation•Getting Taller

Growing the force by Mad Dog Handsome, red-headed “hot cop” Liam doesn’t notice as his encounter with a skinny ruffian somehow shifts into a patrol with his big, sexy senior partner, Sal. 4,838 words Added Apr 2012 21k views 4.0 stars (5 votes) •Muscle Growth•Muscle/Strength•Retcon

The guinea pig by WordShop A starving college student discovers a research program that offers pay in exchange to nutrient testing to improve the health of athletes and other students. But what happens if it works too well? 2 parts 3,361 words Added Nov 2017 15k views 4.0 stars (5 votes) •Cock Growth•Muscle Growth•Hair Growth/Getting Hairy •M/M

Gym class hero by Portowulf Engineering student Dominic Wilde becomes the unexpected recipient of the “gym class hero” title during his college senior year. 2,219 words Added May 2020 9,702 views 4.0 stars (5 votes) •Cock Growth•Getting Dumber•Muscle Breast•Muscle Growth•Muscle/Strength•Belly Growth•Getting Fatter

Holy Order of the Phoenix by brazboy Every year on the Summer Solstice, all men living in the lands of the Holy Order of the Phoenix who completed their 20th anniversary in the previous year are called for the vetting—when the Masters of the Holy Order select those who will join them in their monasteries, and those who will return to their villages to carry on their lives. When an unimaginable talent appears, however, wouldn’t he be a threat to the great and old families…? 2,391 words Added Dec 2023 2,154 views 4.0 stars (5 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum Milking•Immobility•Muscle Growth•Muscle/Strength•Nonconsensual change •M

The laboratory’s plan by notius Merck is abducted by a mysterious lab and forcibly enlisted into “the Plan”. 2 parts 7,916 words Added Nov 2009 11k views 4.0 stars (5 votes) •Muscle/Strength

Live and learn by WBHunk 3 parts 5,081 words Added Jul 2002 12k views 4.0 stars (5 votes) •Muscle Growth•Muscle/Strength

Multicock hold ’em by Armie Lingo 2,788 words Added Dec 2005 11k views 4.0 stars (5 votes) •Huge Cock•Multicock

The prince and the glove by Josef Howard Charlie is visited by the embodiment of his own erotic fantasies. 5,359 words Added Jul 2002 11k views 4.0 stars (5 votes) •Muscle Growth•Muscle/Strength

Resolution by Richard Jasper Skimpy young Ben, stuck for Christmas in a bumfuck town on the high plains, is astounded that Max, the bartender keeping him company, is a total musclebear stud! He resolves to come back in a year a bigger and better man and with Max’s encouragement does just that. 8 parts 6,657 words Added Sep 2020 6,956 views 4.0 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•New Year’s Eve

Stupid cupid by baboonfan A flat tire causes Jerry to miss a job interview. Fortunately Eros, the love god, is hiring, as he eventually discovers when he knocks on a strange door for help. 8 parts 13k words Added Sep 2009 26k views 4.0 stars (5 votes) •Cock Growth•Huge Cock•Wings•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Belly Growth•Transformation•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Restraints•Vampires•Werewolves•Fantasy Realm•Pagan gods •M/M

Wrong number by screamingmoist An ambitious young man starts receiving messages from a caller he can’t ignore. 7,301 words Added Apr 2023 7,675 views 4.0 stars (5 votes) •Cock Growth•Public Orgasm•Getting Dumber•Straight to Gay•Muscle Growth•Butt Growth•Humiliation•Nonconsensual change •M/M

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