Story Archive

• 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?  •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 •Getting Hairy •Lycra/Spandex •Complete •M/M  Added Mar 2023 Updated May 2023 16 parts 47,887 words 47,483 views 4.9 stars (57 votes)

• 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.  •Huge Cock •Hyper Muscle •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Man Scent •Belly Growth •Feeding •Gradual Change •Plausible Size Difference •Christmas •Thanksgiving •Valentine's Day •Alcohol •Series •M/M •M/M/M •M/M/M/...  Added Feb 2023 Updated May 2023 11 parts 54,723 words 31,762 views 4.9 stars (98 votes)

• 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.  •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Public Orgasm •Addiction •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Transformation •Getting Taller •Giants •Size Increase •Destruction/Violence •M/M  Added May 2023 3 parts 8,414 words 33,447 views 4.8 stars (22 votes)

• 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.  •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  Added Jun 2022 Updated May 2023 24 parts 57,210 words 84,068 views 4.9 stars (111 votes)
• 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.  •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Muscle Growth •Gradual Change •t/t  Added May 2023 9,193 words 5,042 views 5.0 stars (15 votes)

• 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.  •Cock Growth •Ball Growth •Huge Cock •Muscle Growth •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Incest •Father/Son •Complete •M/M •M/M/M •M/M/M/...  Added May 2023 2,497 words 4,060 views 4.6 stars (10 votes)

• The crew by Aftercalen  [  ]  The captain of the Ikenmore University rowing club helps his teammates reach their full potential.  •Cock Growth •Muscle Growth •Muscle Worship •Butt Growth •Getting Hairy •Nonconsensual change •Lycra/Spandex •M/M  Added May 2023 1,899 words 3,846 views 3.0 stars (5 votes)
• 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.   •Cock Growth •Muscle Growth •Getting Handsomer •Getting Taller •M  Added May 2023 1,762 words 3,641 views
• Justin (the bigger the better) by Giant Worshipper  [  ]  A young man starts growing, and growing. He finds he likes it a lot.  •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  Added Nov 2009 15 parts 99,090 words 404,646 views 4.4 stars (85 votes)
• 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.  •Always Hard •Cut to Uncut •Cockless •Huge Cock •Multicock •Always Shirtless •Public Nudity •Transformation •Size Decrease •Retcon •M/M  Added May 2023 2 parts 4,916 words 3,448 views 4.9 stars (8 votes)
• Figurines: The next generation by squatch  [  ]  A new subject is gifted the incredible bracelets, only to find unexpected changes.  •Cock Growth •Muscle Growth •Foot Growth •Getting Handsomer •Transformation •Getting Taller •Plausible Size Difference •Nonconsensual change •Body Swap •M/F  Added May 2023 1,679 words 3,238 views 4.8 stars (5 votes)
• 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.  •Muscle Growth •Belly Growth •Getting Taller •M  Added Apr 2023 1,673 words 4,223 views 5.0 stars (5 votes)
• 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.  •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  Added Feb 2022 Updated Apr 2023 7 parts 42,844 words 25,821 views 4.9 stars (29 votes)
• 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.  •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 •Complete •M/M •M/M/M •M/M/M/...  Added Jul 2022 Updated Apr 2023 15 parts 56,129 words 36,393 views 4.9 stars (70 votes)
• Flash fiction: Helping him out of his shell by JJ Staxx  [  ]  River decides Eric needs a confidence boost, and he knows just how to do it.  •Cock Growth •Huge Cock •Hyper Cock •Nonconsensual change •Witch/Warlock/Wizard •Stories with Images •M  Added May 2023 259 words 3,016 views 3.2 stars (12 votes)
• 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.  •Cock Growth •Cock Pumping •Huge Cock •Hyper Cock •M/M  Added May 2022 Updated May 2023 7 parts 7,872 words 13,491 views 4.8 stars (26 votes)

• The spectacular growing saga by West  [  ]  A collection of brief stories about guys discovering their dream bodies in various ways.  •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  Added Mar 2022 Updated May 2023 8 parts 12,181 words 12,680 views 4.6 stars (15 votes)
• 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.  •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 •Getting Hairy •Dom/Sub •Hyper Pheromones •Anthro/Furry •Werewolves •M/M  Added Mar 2023 Updated May 2023 2 parts 3,062 words 7,415 views 4.7 stars (6 votes)
• 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.  •Huge Balls •Huge Cock •Muscle/Strength •M/M  Added May 2023 4,805 words 2,722 views 4.5 stars (15 votes)
• 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.  •Huge Balls •Huge Cock •Man Scent •Belly Growth •Inflation •First Time/Virgin •Father/Son •M/M  Added May 2023 3,858 words 2,688 views 5.0 stars (10 votes)
• 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.  •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  Added Apr 2023 2 parts 11,499 words 5,433 views 4.9 stars (14 votes)
• Unwound by screamingmoist  [  ]  A trip to the gay bar sets two friends on the right course.  •Muscle Growth •Getting Hairy •Retcon •M/M  Added May 2023 4,459 words 2,598 views 4.8 stars (6 votes)
• 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.  •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/...  Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 263,594 views 4.6 stars (104 votes)
• Incubus dreams by JJ Staxx  [  ]  Blake is stuck in a bathroom at the gaming hub with a problem that’s only getting bigger.  •Cock Growth •Huge Cock •Nonconsensual change •Witch/Warlock/Wizard •Stories with Images •M/M  Added Apr 2023 Updated May 2023 9 parts 10,738 words 9,508 views 5.0 stars (8 votes)
• 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.  •Cock Growth •Cock Pumping •Cockfucking •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Public Orgasm •Addiction •Straight to Gay •Hyper Muscle •Immobility •Muscle Growth •Public Nudity •Increased Libido •Forced Growth •Size Increase •Inflation •App •Incest •Brothers •Bisexual •Nonconsensual change •M/M •M/M/F •M/M/M  Added Apr 2020 Updated Feb 2023 40 parts 94,860 words 104,938 views 4.9 stars (55 votes)
• 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.  •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/...  Added May 2023 2 parts 9,087 words 2,098 views
• 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.  •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  Added May 2023 2,424 words 2,074 views
• 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.  •Huge Cock •Muscle/Strength •Transformation •Age Difference •M/M  Added May 2023 2 parts 5,200 words 2,044 views

• Chuck, the size thief by spacevlad  [  ]  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge.  •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 •Getting Hairy •Getting Fatter •Inflation •Nanotech •Destruction/Violence •Nonconsensual change •Rape •Absorption •M/M  Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 108,387 views 4.5 stars (27 votes)
• 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.  •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 •Getting Hairy •Age Difference •Incest •Father/Son •Supernatural •Gay Pride •Alcohol  Added Oct 2009 Updated Nov 2019 50 parts 221,027 words 216,290 views 4.3 stars (59 votes)
• Alpha encounters: Logan by Eric Aaldersen  [  ]  An eighteen-year-old alpha, Logan, needs some release as he waits to meet up with his smoking hot boyfriend. Someone in his English class ends up lending a hand. Or... mouth. Part of a collection of Alpha Encounters.  •Huge Balls •Huge Cock •Muscle/Strength •Muscle Worship •Bisexual •Series •M/F •M/M  Added Apr 2023 2,549 words 2,546 views
• 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.  •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 •Complete •M/M •M/M/M  Added Feb 2017 Updated Oct 2022 111 parts 131,752 words 205,228 views 4.6 stars (144 votes)
• 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.  •Cock Growth •Muscle Growth •Pointy Ears •Demons •Incubus/Succubus •Flying •Invisibility •M/M  Added Mar 2023 Updated May 2023 4 parts 9,530 words 3,967 views 5.0 stars (8 votes)
• 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.  •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 •Getting Hairy •Nonconsensual change •Rubber/Latex •Infectious •Complete •M  Added Mar 2023 10,572 words 9,338 views 4.7 stars (16 votes)
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Infectious •M/M •M/M/M  Added Aug 2011 Updated Nov 2011 11 parts 24,647 words 297,149 views 4.6 stars (79 votes)
• 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.”)  •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/F •M/M •M/M/F •M/M/M •M/M/M/... •M/t •t/t  Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 149,039 views 4.5 stars (25 votes)
• Welcum to Hell by Alex Anders  [  ]  The forces of Hell welcome their newest recruit.  •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  Added Oct 2022 Updated May 2023 9 parts 17,011 words 8,299 views 4.9 stars (7 votes)
• 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.   •Cock Growth •Muscle Growth •Increased Libido •Getting Taller •Size Increase •M/M  Added Mar 2023 Updated Apr 2023 2 parts 19,570 words 12,486 views 4.8 stars (37 votes)
• 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.  •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  Added Oct 2022 4,977 words 17,925 views 4.7 stars (26 votes)
• 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.  •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  Added Feb 2023 6,540 words 9,364 views 4.3 stars (8 votes)
• Becoming the ultimate man by musclestory  [  ]  When a man’s ultimate dream becomes his ultimate reality.  •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Voice Deepening •Giants •Size Increase •Getting Hairy •t  Added Aug 2003 4,565 words 88,117 views 4.4 stars (21 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Suggestion •Hetero Sex •Dom/Sub •Nonconsensual change •Series •M/F •M/M  Added Jan 2022 Updated Dec 2022 12 parts 50,362 words 65,441 views 4.9 stars (178 votes)
• 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.  •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  Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 198,488 views 4.5 stars (76 votes)
• Wrong number by screamingmoist  [  ]  An ambitious young man starts receiving messages from a caller he can’t ignore.  •Cock Growth •Public Orgasm •Getting Dumber •Straight to Gay •Muscle Growth •Butt Growth •Humiliation •Nonconsensual change •M/M  Added Apr 2023 7,301 words 5,169 views 4.0 stars (5 votes)
• Forced growth by hyperboi  [  ]  Tyler wakes up trapped in a room where everything seems geared toward forcing him to become bigger, stronger, and sexier.  •Cock Growth •Cock Pumping •Huge Cock •Hyper Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Forced Growth •Nonconsensual change •M  Added Oct 2013 5 parts 6,397 words 124,124 views 4.3 stars (51 votes)
• 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.  •Huge Cock •Hyper Cock •Prehensile Cock •Wings •Muscle/Strength •Anthro/Furry •Demons •Incubus/Succubus •Witch/Warlock/Wizard •Horror •Supernatural •Series •M/M •M/M/M/...  Added Feb 2021 Updated May 2023 16 parts 120,652 words 21,621 views 5.0 stars (69 votes)
• 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.  •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  Added Oct 2022 Updated Dec 2022 15 parts 60,547 words 27,840 views 4.6 stars (28 votes)
• 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!  •Cock Growth •Ball Growth •Huge Cock •Straight to Gay •Muscle Growth •Public Nudity •Man Scent •Getting Handsomer •Voice Deepening •Getting Taller •Age Regression •Getting Hairy •Hairless •Hyper Pheromones •M •M/M/M/...  Added Mar 2023 Updated Apr 2023 3 parts 15,197 words 11,130 views 5.0 stars (28 votes)
• 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?  •Cock Growth •Addiction •Muscle Growth •Muscle Gut •Belly Growth •Giants •Size Increase •M/M  Added Apr 2023 2 parts 9,330 words 6,994 views 5.0 stars (5 votes)
• Puberty is a bitch by Lover Boy 2  [  ]    •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Gradual Change •Size Increase  Added Sep 2009 11 parts 14,585 words 161,022 views 4.2 stars (26 votes)
• 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.  •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  Added Dec 2022 7,676 words 12,381 views 4.9 stars (8 votes)
• Lumen by Ziel  [  ]  Lumen, a tiny fairy in a big world, sets off for adventure!  •Cock Growth •Huge Cock •Djin/Jinn/Genie •Fantasy Realm •M/M  Added May 2023 2 parts 5,476 words 1,080 views
• 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.  •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  Added Dec 2013 Updated Dec 2022 14 parts 74,028 words 94,648 views 4.6 stars (27 votes)
• 5D Super User: Brandon by pkak2k12  [  ]  Brandon finds out he has an unexpected gift the second he becomes 18.  •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  Added Jan 2023 Updated Mar 2023 11 parts 23,404 words 24,855 views 4.9 stars (63 votes)
• 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?  •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  Added Jan 2023 Updated Apr 2023 2 parts 7,269 words 9,475 views 4.7 stars (16 votes)
• 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.  •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Age Difference •Incest •Father/Son •Infectious •M/M  Added Jan 2016 Updated May 2016 2 parts 6,753 words 39,900 views 4.8 stars (30 votes)

• His brother drains his manhood by Ballmeat  [  ]  A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle.  •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  Added Jan 2018 2,593 words 60,532 views 4.4 stars (44 votes)
• 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?  •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  Added Jan 2023 Updated Mar 2023 3 parts 6,734 words 18,098 views 4.8 stars (31 votes)
• 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.  •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 •Getting Hairy •Complete •M/M  Added Jun 2022 2 parts 5,841 words 12,863 views 4.7 stars (23 votes)
• 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.  •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 •Getting Hairy •Getting Fatter •Inflation •Complete •M/M •M/M/M  Added Mar 2023 10,225 words 5,966 views 4.9 stars (19 votes)
• A.I. by Corwin  [  ]  Tim’s homemade A.I. software decides to help him get huge.  •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  Added Dec 2013 11 parts 30,556 words 68,581 views 4.8 stars (41 votes)
• Super serum by Jack is Jacked  [  ]  Jack’s dad develops a way to grow muscles and decides his son should try it out.  •Cock Growth •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Father/Son •Hetero Sex •Complete •M/F •t/t  Added Mar 2023 1,649 words 7,085 views 3.0 stars (6 votes)
• 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).  •Cock Growth •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Restraints  Added Sep 2004 9 parts 26,085 words 69,426 views 4.8 stars (50 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Gradual Change •M/M  Added Aug 2020 Updated Oct 2020 5 parts 8,685 words 14,830 views 4.4 stars (12 votes)
• 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.  •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/...  Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 82,605 views 4.8 stars (39 votes)
• 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.  •Gradual Change •Transformation •Cock Cage •M •M/M  Added May 2023 7,765 words 929 views 4.8 stars (5 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins •t/t •t/t/t...  Added Jan 2021 Updated Feb 2021 4 parts 14,631 words 24,687 views 4.9 stars (30 votes)
• 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.  •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Djin/Jinn/Genie •t/t  Added Oct 2015 Updated Jan 2016 4 parts 8,133 words 45,217 views 4.9 stars (11 votes)
• My best friend’s muscles by Mikeytron  [  ]  A group of horny gay researchers develop a new compound that allows unprecedented muscle growth.  •Hyper Muscle •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Complete •Series •M/M  Added Sep 2021 Updated Nov 2021 5 parts 16,668 words 30,281 views 4.8 stars (63 votes)
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •First Time/Virgin •Dom/Sub •t/t  Added May 2016 4,033 words 20,743 views 5.0 stars (18 votes)
• 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...  •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Size Decrease •Size Increase •Race/Ethnicity Change •Getting Hairy •Tongue Growth •Dildos/Toys  Added Feb 2009 4 parts 9,284 words 32,333 views 4.6 stars (24 votes)
• Medicine show by Fafhrd and Longbow9  [  ]    •Cock Growth •Ball Growth •Huge Cock •Hyper Cock •Self-suck •First Time/Virgin •Bisexual •Hetero Sex •Lycra/Spandex •Infectious •Series •M •M/F •M/F/F •M/M •M/M/F  Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 205,105 views 4.5 stars (25 votes)
• A real man by DoubleCream  [  ]  A douchey gym bro wakes up in another world, in another body.  •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  Added Jan 2021 Updated Mar 2023 6 parts 29,579 words 31,140 views 4.8 stars (45 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •M/t  Added Apr 2020 5 parts 7,816 words 16,857 views 4.9 stars (17 votes)
• 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.  •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...  Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 151,830 views 4.7 stars (101 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Lycra/Spandex •M/M  Added Jul 2002 4 parts 8,109 words 52,514 views 4.3 stars (16 votes)
• 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.  •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  Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 42,860 views 4.8 stars (46 votes)
• 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.  •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 •Getting Hairy •Incest •Brothers •Twins •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Complete •Cannabis •Series •M •M/M •M/M/M •M/M/M/...  Added Jun 2019 Updated Jun 2022 54 parts 118,619 words 64,321 views 4.9 stars (52 votes)
• 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.  •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...  Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 121,474 views 4.7 stars (46 votes)
• 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?  •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  Added Nov 2022 Updated Dec 2022 3 parts 12,646 words 20,707 views 4.7 stars (20 votes)
• 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.  •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase  Added Jun 2016 8 parts 17,849 words 66,596 views 4.3 stars (43 votes)
• Reality Pack by Thorn  [  ]  What happens when the program you’re working on for school has a downloadable mod? You investigate it of course!  •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Getting Hairy •App •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Valentine's Day •M/M •M/M/M  Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 48,231 views 4.9 stars (37 votes)
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M  Added Jul 2002 4 parts 11,543 words 24,294 views 5.0 stars (6 votes)
• 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.  •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 •Getting Hairy •Dom/Sub •Nonconsensual change •Restraints •Absorption •Complete •M/M  Added Jan 2023 8,219 words 9,549 views 4.3 stars (9 votes)
• 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?  •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Series  Added Dec 2013 6 parts 46,984 words 133,144 views 4.0 stars (23 votes)
• 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.  •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Incest •Brothers  Added Mar 2003 8 parts 22,620 words 107,795 views 4.8 stars (93 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Size Increase •Nanotech •Destruction/Violence •Infectious •Complete •t/t  Added Oct 2012 5 parts 29,485 words 91,134 views 4.7 stars (29 votes)
• Head position by Cockatrice  [  ]  Zach applies for a job at the popular gay porn studio ‘With Men’ that is going to change his life forever.  •Detachable •M/M  Added May 2023 6,491 words 723 views
• Basically a god by CurlyJin  [  ]  What do you do when the kid you bullied in high school becomes a god?  •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  Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 78,431 views 4.2 stars (24 votes)
• 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.  •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  Added Oct 2022 7,662 words 11,513 views 4.9 stars (13 votes)
• 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!  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •M/M •M/M/M  Added Feb 2018 2,274 words 50,543 views 4.5 stars (34 votes)
• Empire by LenZelig  [  ]  A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure.  •Cock Growth •Huge Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Difference •Bestiality •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Bisexual •Hetero Sex •Nonconsensual change •Sex-Slave •Shared Body •Aliens •Space Travel •Witch/Warlock/Wizard •Thanksgiving •Mind Control •Complete •Series  Added Apr 2019 Updated May 2021 40 parts 365,561 words 129,775 views 3.7 stars (6 votes)
• 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.  •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Forced Growth •Halloween •M •M/F •M/M  Added Oct 2020 Updated Oct 2022 6 parts 22,007 words 32,097 views 4.9 stars (13 votes)
• 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.  •Gradual Change •Size Decrease •Nonconsensual change •M/M  Added Jun 2020 Updated Apr 2023 8 parts 24,464 words 13,378 views 5.0 stars (7 votes)
• 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.  •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 •Getting Hairy •Complete •Ancient Era •M/M •M/M/M  Added Mar 2023 Updated Apr 2023 3 parts 11,508 words 6,456 views 4.8 stars (13 votes)
• 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.  •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 •Nonconsensual change •Merging •Witch/Warlock/Wizard •Invisibility •M/M •M/M/M •M/M/M/...  Added May 2013 Updated Jul 2022 18 parts 69,664 words 110,251 views 4.7 stars (38 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Always Shirtless •Pointy Ears •Increased Libido •Getting Handsomer •Transformation •Getting Taller •Race/Ethnicity Change •Cannabis •Series •M/M  Added Mar 2023 Updated Apr 2023 4 parts 12,562 words 5,494 views
• 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!  •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  Added May 2017 Updated May 2019 19 parts 23,227 words 81,799 views 4.4 stars (42 votes)
• 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!  •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers  Added Mar 2003 2,879 words 120,367 views 4.4 stars (36 votes)
• 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?  •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 •Series •M/M  Added Aug 2021 Updated Sep 2021 3 parts 35,039 words 18,456 views 4.8 stars (11 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Hairy •Nonconsensual change •Infectious •M/M  Added Dec 2003 8,642 words 81,096 views 5.0 stars (52 votes)
• Casey’s machine by FanTCMan  [  ]  Casey claims to have invented a muscle-growing machine, but Mike is understandably skeptical.  •Muscle Growth •Muscle/Strength •M/M  Added Aug 2002 4,566 words 22,729 views 4.7 stars (10 votes)
• 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.  •Muscle Growth •Belly Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Getting Fatter  Added Aug 2020 Updated Dec 2020 5 parts 16,482 words 31,308 views 5.0 stars (17 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Bisexual •Destruction/Violence •Hyper Pheromones •Series  Added Sep 2012 15 parts 91,454 words 75,659 views 4.8 stars (33 votes)
• 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!  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Supernatural •Series •t/t  Added Mar 2020 5,437 words 10,937 views 4.4 stars (16 votes)
• 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.  •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers  Added Nov 2016 2,350 words 51,217 views 4.3 stars (15 votes)
• 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.  •Straight to Gay •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase •Getting Fatter •Destruction/Violence •Nonconsensual change •Rape •M/M  Added Jun 2016 Updated Aug 2016 18 parts 34,977 words 60,625 views 4.1 stars (33 votes)
• Bull’s gene by Opin  [  ]  Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectation.  •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  Added Aug 2020 Updated Oct 2022 8 parts 12,415 words 37,269 views 4.7 stars (24 votes)
• 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.  •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 •Getting Hairy •Destruction/Violence •Sex-Slave •Fourth of July •M/M  Added Oct 2017 Updated Dec 2017 12 parts 28,541 words 50,751 views 4.8 stars (28 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Size Increase •M/M  Added Nov 2017 5,910 words 40,814 views 4.9 stars (169 votes)
• 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.  •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  Added Nov 2021 Updated Feb 2022 9 parts 21,204 words 27,042 views 4.6 stars (16 votes)
• Sheepish Sean by johnnyacolin  [  ]  Shy college freshman Sean gets a growth spurt that’s alarming enough to pay a visit to the doctor.  •Cock Growth •Huge Cock •Father/Son •M  Added Nov 2021 Updated Dec 2022 2 parts 4,280 words 8,615 views 4.6 stars (23 votes)
• 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...  •Cock Growth •Self-suck •Muscle Growth •Belly Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Getting Fatter •M  Added Dec 2019 5,181 words 10,806 views 4.4 stars (9 votes)
• 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.  •Always Hard •Always Hard •Cock Growth •Cock Growth •Huge Cock •Huge Cock •Self-suck •Self-suck •Hyper Cum •Hyper Cum •Multicock •Multicock •Multiarm •Multiarm •Multilimb •Multilimb •Multipec •Multipec •Replication •Replication •Stacking •Stacking •Muscle Growth •Muscle Growth •Muscle Worship •Muscle Worship •Always Shirtless •Always Shirtless •Increased Libido •Increased Libido •Getting Hairy •Getting Hairy •Retcon •Suggestion •Suggestion •Superhero/Supervillain •Superhero/Supervillain •Flying •Flying •Immortality •Immortality •Shapeshifting •Shapeshifting •Complete •Series •Series •M •M/M/M/...  Added Apr 2023 4 parts 10,601 words 4,090 views 4.7 stars (7 votes)
• MG Project: Test Subject #5 by HeyDaddy01  [  ]  A 50-year-old man recovering from an auto accident qualifies for a life-changing experimental project.  •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/...  Added Jan 2023 Updated Apr 2023 20 parts 59,135 words 14,055 views 4.6 stars (19 votes)
• 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.  •Cum inflation •Cum Milking •Hyper Cum •Nipple Emissions •Immobility •Belly Growth •Size Increase •Getting Fatter •Infectious •Supernatural •M/M  Added Mar 2022 2,974 words 12,750 views 4.3 stars (9 votes)
• 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…  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Stretchy •Size Increase •Lycra/Spandex •Rubber/Latex •Superhero/Supervillain •M/M •M/M/M  Added Dec 2020 Updated Dec 2022 15 parts 53,632 words 58,188 views 4.9 stars (59 votes)
• 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.)  •Cock Growth •Huge Cock •Hyper Cock •Addiction •Hyper Muscle •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •M/M •M/M/M  Added Jan 2017 Updated Mar 2021 19 parts 53,990 words 54,767 views 4.7 stars (19 votes)
• Jock bros by John Perrot  [  ]  Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow…  •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 •Getting Hairy •Complete  Added Feb 2021 4,818 words 25,469 views 4.7 stars (39 votes)
• The Order by screamingmoist  [  ]  A young man learns that the strange group his friend has joined might not be so bad after all.  •Cock Growth •Muscle Growth •Man Scent •Belly Growth •Transformation •Getting Hairy •Supernatural •Complete •Tobacco •M/M  Added Dec 2022 Updated Apr 2023 3 parts 17,017 words 10,428 views 4.6 stars (11 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Prehensile Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Size Increase •Dom/Sub •M/M •M/M/M  Added Oct 2016 Updated Aug 2022 16 parts 82,987 words 86,475 views 4.5 stars (102 votes)
• 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.   •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  Added Jan 2023 2 parts 6,908 words 8,371 views 4.3 stars (7 votes)
• The right settings by RoidTeen  [  ]  Ben finds an app and starts to play with it.   •Cock Growth •Huge Balls •Huge Cock •Hyper Muscle •Muscle Breast •Muscle Growth •App •Retcon •Father/Son •Complete •M/M •M/M/M  Added Mar 2023 2,685 words 6,139 views 4.8 stars (15 votes)
• Graham by Giant Worshipper and westone tiny  [  ]    •Size Increase  Added Nov 2009 Updated Dec 2010 10 parts 55,178 words 94,952 views 4.6 stars (24 votes)
• High performance by brazboy  [  ]  If being an athlete isn’t easy, imagine being the absolute best? Representing your country at the highest levels? That is Juninho’s challenge at most classic final of the world’s most popular’s sport most important competition: the Cockfighting World Cup.  •Hyper Cock •Hyper Cum •Nipple Emissions •Public Orgasm •Hyper Muscle •Immobility •Muscle/Strength •Public Nudity •Complete •M/M •M/M/M/...  Added Apr 2023 4,525 words 2,697 views
• My big dummy by MegaMaker  [  ]  After years of no contact from his old friend Mylo, Arlo gets a random text from him asking if he can come over. It seems Mylo has recently come across these pills that enhance your body. At first Arlo doesn't believe him, but he stops by anyway to make sure everything is okay.  •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Getting Dumber •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Man Scent •Butt Growth •Gradual Change •Getting Taller •Giants •Size Increase •Complete •M/M  Added Feb 2023 6,057 words 7,889 views 4.0 stars (6 votes)
• Orientation by Cris Kane  [  ]  After a welcoming party, freshman roommates discover that life is different at college—and so are they.  •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  Added Apr 2019 4 parts 20,127 words 19,826 views 4.8 stars (10 votes)
• 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.  •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  Added Jan 2008 2 parts 11,063 words 68,835 views 4.7 stars (39 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Dom/Sub •Merging •Shared Body •Ghosts •Supernatural •Complete •Alcohol •Series •M/M •M/M/M  Added Jul 2022 5,244 words 7,406 views 4.6 stars (10 votes)
• Sensational summer growth by OneLuckyGuy89  [  ]  Todd and Aaron return home to their hometown of Portland as changed men. Now it’s time for them to change the rest of the town.  •Cock Growth •Multicock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Getting Handsomer •Voice Deepening •Getting Taller •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •M/M •M/M/M  Added Apr 2022 Updated May 2022 3 parts 8,409 words 12,763 views
• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Increased Libido •M/M  Added Dec 2017 Updated Apr 2018 8 parts 14,650 words 48,790 views 4.7 stars (31 votes)
• Sam and Bolt by MaxMorphs  [  ]  Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Self-suck •Cum inflation •Hyper Cum •Nipple Emissions •Getting Taller •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Infectious •M •M/M •M/M/M/...  Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 76,788 views 3.9 stars (56 votes)
• 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.  •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 •Getting Hairy •Hairless •Nonconsensual change •Hyper Pheromones •M/M •M/M/M/...  Added Aug 2020 8 parts 25,154 words 20,929 views 4.3 stars (7 votes)
• Gaining roommates by MaxMorphs  [  ]  Ben’s enormous gut seems like it can’t get any bigger. Does that sound like a challenge to you?  •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Getting Taller •Size Increase •Getting Fatter •Vore •M/M  Added May 2020 5,341 words 19,207 views 4.4 stars (13 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Plausible Size Difference •Size Increase •Age Regression •Getting Hairy •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Werebears •Supernatural •Shapeshifting •Series •M/M  Added Nov 2021 Updated Apr 2023 10 parts 48,450 words 15,548 views 5.0 stars (20 votes)
• 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.  •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  Added Oct 2022 6,147 words 8,991 views 4.8 stars (15 votes)
• 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?  •Cock Growth •Huge Cock •Muscle Growth •Muscle Worship •Getting Taller •Plausible Size Difference •Size Increase •Incest •Brothers •M/M  Added Jul 2022 1,596 words 13,265 views 5.0 stars (9 votes)
• 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.  •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/...  Added May 2013 Updated Jun 2013 5 parts 14,943 words 56,218 views 4.6 stars (28 votes)
• 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.  •Cock Growth •Ball Growth •Huge Cock •Prehensile Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Voice Deepening •Hyper Pheromones •Infectious •Flying •Series •M/M •M/M/M  Added Oct 2002 35 parts 131,918 words 54,300 views 5.0 stars (9 votes)
• 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.  •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  Added Feb 2023 8,336 words 6,461 views 4.8 stars (6 votes)
• 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.  •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •t/t  Added Jun 2020 6,499 words 20,376 views 5.0 stars (15 votes)
• 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.  •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  Added Feb 2023 8,330 words 6,517 views 4.4 stars (7 votes)
• 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.  •Huge Cock •Nipcocks •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Size Increase •Christmas •M/M  Added Jan 2017 Updated Nov 2022 3 parts 12,037 words 43,754 views 4.8 stars (25 votes)
• 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.  •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 •Getting Hairy •Complete •M/M  Added Dec 2022 14 parts 15,015 words 8,101 views 5.0 stars (9 votes)
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Race/Ethnicity Change •Demons •Ogres •Fantasy Realm •Series •M/M  Added Feb 2020 6 parts 3,916 words 9,742 views 4.6 stars (5 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Bisexual •Hetero Sex  Added Sep 2016 4,842 words 36,699 views 4.1 stars (14 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •All Dialog •M/M  Added Nov 2016 3,726 words 46,588 views 4.8 stars (41 votes)
• 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.  •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 •Getting Hairy •Incest •Brothers •Stories with Images •M/M  Added Jan 2023 3,937 words 7,043 views 4.0 stars (12 votes)
• 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…  •Huge Cock •Suggestion •Age Difference •Incest •Father/Son •Mind Control •M/M  Added Dec 2018 2,749 words 10,264 views 4.4 stars (10 votes)
• Mega pecs maker dosing accident by TitMorpher  [  ]    •Muscle Breast •Muscle Growth •Muscle/Strength •Stories with Images •Series  Added Apr 2013 1,465 words 45,246 views
• 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.  •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Restraints •Sex-Slave •Lycra/Spandex •M/M •M/M/M  Added Jun 2018 Updated May 2019 12 parts 55,825 words 57,895 views 4.6 stars (22 votes)
• 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.  •Cock Growth •Huge Cock •Getting Dumber •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Nonconsensual change •Rape •Mind Control •M/M  Added Jul 2011 2 parts 13,794 words 53,926 views 4.7 stars (32 votes)
• 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.  •Cock Growth •Straight to Gay •Muscle Growth •Muscle/Strength •M/M •M/M/M •M/M/M/...  Added Apr 2003 4,087 words 11,931 views 4.6 stars (9 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Age Regression •Nonconsensual change •M/M  Added Feb 2020 Updated Jun 2021 9 parts 42,479 words 51,263 views 4.8 stars (18 votes)
• 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.  •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Plausible Size Difference •Complete •M/M  Added Jun 2021 Updated Jul 2021 6 parts 38,553 words 27,445 views 4.9 stars (65 votes)
• 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.  •Cock Growth •Hyper Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Handsomer •First Time/Virgin •Hyper Pheromones •Flying •Series  Added Oct 2002 9 parts 76,817 words 84,972 views 4.1 stars (16 votes)
• 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.  •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 •Getting Hairy •Hyper Tongue •Suggestion •Bisexual •Hetero Sex •Cock Cage •Dom/Sub •Sex-Slave •Rubber/Latex •Immortality •M/M •M/M/M  Added May 2019 Updated Nov 2021 10 parts 55,956 words 32,906 views 4.8 stars (22 votes)
• Boosted by West  [  ]  Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more.  •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  Added Aug 2021 Updated Sep 2021 3 parts 5,429 words 14,330 views 4.6 stars (19 votes)
• 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…  •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  Added Nov 2020 1,226 words 21,593 views
• 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…  •Muscle Growth •Muscle/Strength •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Complete •t/t  Added Sep 2018 8 parts 42,632 words 28,311 views 4.9 stars (13 votes)
• 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.  •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  Added Feb 2023 11,406 words 6,230 views 4.1 stars (10 votes)
• 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.  •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 •Supernatural •Series  Added Feb 2020 Updated May 2020 17 parts 124,798 words 24,000 views 4.9 stars (67 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Taller •Size Increase •Getting Hairy •Humiliation  Added Mar 2021 2,712 words 15,621 views 4.4 stars (10 votes)
• 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.  •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 •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Tailcock •Plants •Anthro/Furry •Dragons •Werewolves •Supernatural •Halloween •M/M/M  Added Oct 2021 7,196 words 14,441 views 4.8 stars (11 votes)
• Kyle’s himbo transformation by Joven  [  ]  Kyle goes on vacation with some friends, then starts to experience a few sudden and unexplained changes.  •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  Added Nov 2021 Updated Dec 2021 14 parts 18,576 words 28,653 views 4.8 stars (25 votes)
• Addiction by Hatman  [  ]  “… I gotta have more! I need more! Give… me… MORE!” pleads our young scientist.  •Cock Growth •Huge Cock •Cum inflation •Hyper Cum •Stretchy •Hyper Anus  Added May 2010 1,916 words 35,482 views 4.1 stars (12 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Prehensile Cock •Self-suck •Nipple Emissions •Multi-abs •Addiction •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Hairy •M/M  Added Aug 2011 Updated Oct 2011 4 parts 12,081 words 93,705 views 4.6 stars (29 votes)
• 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.  •Always Hard •Cock Growth •Huge Cock •Self-suck •Witch/Warlock/Wizard •M/M  Added Aug 2006 Updated Jan 2022 7 parts 18,527 words 46,140 views 4.4 stars (16 votes)
• 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.  •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  Added Aug 2022 3,606 words 11,580 views 4.7 stars (26 votes)
• 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.  •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 •Getting Hairy •Shapeshifting •Complete •M/M  Added Jan 2023 3,057 words 6,819 views 4.5 stars (8 votes)
• 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.  •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  Added Aug 2018 14,259 words 41,777 views 4.7 stars (12 votes)
• 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.  •Muscle Growth •Muscle Gut •Muscle/Strength •Butt Growth •Gradual Change •Getting Hairy  Added Mar 2013 6 parts 7,143 words 49,979 views 4.6 stars (18 votes)
• 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.  •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/...  Added Feb 2021 Updated Jul 2021 23 parts 118,666 words 28,383 views 4.9 stars (55 votes)
• 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?  •Cock Growth •Huge Cock •Butch-to-Fem •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Taller •Getting Hairy •App •Nonconsensual change •M/M  Added Dec 2018 3,147 words 32,700 views 4.9 stars (24 votes)
• 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.  •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Infectious •M/M  Added Mar 2019 Updated May 2019 3 parts 9,022 words 33,132 views 4.8 stars (14 votes)
• MaXXXed out by Now Voyager  [  ]  A cocky guy named Max visits a spa on the edge of town run by gorgeous women. But when he finds himself strapped into a transformative massage chair, he pays for his disrespectful flirting with his body.   •Cock Pumping •Cock Shrinking •Other Mental Changes •Butt Growth •Belly Growth •Breast Expansion •Transformation •Human to Animal/Anthro •Getting Fatter •Misogyny •Nonconsensual change •Aliens •Complete •M/F/F  Added Mar 2023 6,629 words 2,815 views
• 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.  •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  Added Jun 2022 2 parts 5,749 words 8,459 views 5.0 stars (14 votes)
• Reece’s morph by Seth Peterson  [  ]  The power of absorption is a nightmare for Reece...until it produces some very big results.  •Muscle Growth •Muscle/Strength •Belly Growth •Plausible Size Difference •Size Increase •Getting Hairy •Getting Fatter •Vore •Absorption  Added Mar 2016 Updated Dec 2020 3 parts 13,638 words 38,325 views 4.4 stars (10 votes)
• The system by muscl4life  [  ]  It turns out it’s all about the chakras.  •Muscle Growth •Muscle/Strength •Dom/Sub •M/M  Added May 2016 8,353 words 11,663 views 4.3 stars (6 votes)
• 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?  •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  Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 56,628 views 4.7 stars (41 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Cum Milking •Nipple Emissions •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Hairy •First Time/Virgin •Nonconsensual change •Infectious •M/M  Added Jul 2002 5 parts 20,375 words 93,372 views 4.3 stars (19 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Increase •Infectious  Added May 2019 Updated Jun 2019 9 parts 18,987 words 38,354 views 4.9 stars (33 votes)
• 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.  •Cock Growth •Huge Balls •Huge Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Butt Growth •Gradual Change •Getting Taller •Size Increase •M/M  Added Apr 2020 Updated Aug 2020 5 parts 22,139 words 35,269 views 4.9 stars (32 votes)
• 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.  •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Muscle Growth •Muscle Gut •Belly Growth •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Getting Fatter •Orcs •Supernatural •M/M  Added May 2020 Updated Dec 2022 3 parts 5,384 words 15,921 views 4.4 stars (20 votes)
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers •Series  Added Jun 2010 9 parts 35,754 words 82,957 views 4.7 stars (19 votes)
• 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.  •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 •Getting Hairy •Incest •Brothers •Twins •Hyper Pheromones •Infectious  Added Jul 2002 2 parts 13,564 words 58,328 views 4.1 stars (16 votes)
• 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?  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Nonconsensual change •Ghosts •Halloween •M/M  Added Sep 2017 4 parts 11,045 words 25,673 views 4.5 stars (8 votes)
• 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.  •Huge Balls •Huge Cock •Straight to Gay •Muscle/Strength •Bisexual •Hyper Pheromones •Series •M/M  Added Apr 2022 3,455 words 6,160 views 4.8 stars (8 votes)
• 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.  •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  Added Apr 2022 Updated Sep 2022 5 parts 18,273 words 26,773 views 4.8 stars (38 votes)
• 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...  •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  Added Jan 2023 11,595 words 4,512 views 4.8 stars (15 votes)
• 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.  •Cock Growth •Cock Pumping •Cock Vore •Huge Balls •Ball Growth •Hyper Cock •Hyper Cum •Immobility •Humiliation •Nonconsensual change •Halloween •M/M/M  Added Oct 2020 4,045 words 16,042 views 4.9 stars (10 votes)
• 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!  •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Getting Hairy  Added Aug 2020 7 parts 8,050 words 19,694 views 4.5 stars (11 votes)
• Anger management by Collan  [  ]  A bullied high school senior turns the tables on his tormentor.  •Humiliation •Nonconsensual change •Body Swap •Stories with Images •t/t  Added May 2022 5,078 words 7,622 views
• Muscle milk tit freaks by TitMorpher  [  ]  In the future, as soon as muscle tit bodybuilding competitions, certain fans start gravitating toward the ones leaking muscle milk from their nips—triggering a broader interest in both the fetish and the growth-inducing pec juicea.  •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •Stories with Images •Set in the Future •M/M  Added Sep 2011 Updated Jun 2012 9 parts 27,090 words 105,554 views 3.8 stars (8 votes)
• 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…  •Cock Growth •Cock Shrinking •Cock Theft •Huge Balls •Huge Cock •Muscle Growth •Muscle Theft •Getting Taller •Size Increase •Dom/Sub •M/M  Added Feb 2020 4 parts 11,715 words 22,786 views 5.0 stars (24 votes)
• 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...  •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Size Increase •Nanotech •Destruction/Violence •Infectious •Series •t/t  Added Jan 2023 Updated Feb 2023 6 parts 23,223 words 7,301 views 4.8 stars (6 votes)
• Cow-boy by JKL  [  ]  Where does milk come from if cows are not raised as livestock? You're about to become the source.  •Cock Growth •Nipple Emissions •Muscle Breast •Muscle Growth •Belly Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Inflation  Added Jan 2019 1,606 words 32,073 views 4.5 stars (14 votes)
• 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!  •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural •Series  Added Aug 2020 6,920 words 14,632 views 5.0 stars (8 votes)
• 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.  •Cum inflation •Belly Growth •Male Pregnancy •Size Increase •Getting Fatter •Inflation •M/M  Added Apr 2022 3,987 words 8,499 views 4.9 stars (7 votes)
• 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.  •Hyper Cum  Added May 2012 2,165 words 133,271 views 4.4 stars (20 votes)
• Frat boys, bro!! by Seth Peterson  [  ]  What happens when a handsome boy and his buddy finds some frat boy pills? Sick bulky results, BRO!!  •Huge Balls •Huge Cock •Getting Dumber •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Getting Fatter •M/M  Added Jan 2018 2,556 words 39,655 views 3.9 stars (37 votes)
• 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.  •Butt Growth •Inflation •Nonconsensual change •M/M  Added Sep 2022 3,407 words 5,767 views 4.9 stars (28 votes)
• 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.   •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 •Dildos/Toys •Set in the Future •M/M/M  Added Mar 2023 9,281 words 3,948 views 4.5 stars (8 votes)
• 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.  •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Incest •Brothers •M/M •M/t  Added Sep 2022 1,619 words 9,445 views 4.6 stars (22 votes)
• Morphed male bulge freaks by TitMorpher  [  ]  The future world of muscle cock bodybuilders becomes competitive, but top-seed Biff is especially amazed to pose off against someone who’s as hugely cocked as him without having had any augmentation down there at all.  •Cock Growth •Huge Balls •Muscle/Strength •Plausible Size Difference •Stories with Images  Added Dec 2012 Updated Apr 2015 2 parts 4,889 words 65,472 views 3.8 stars (5 votes)
• 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.  •Cock Growth •Huge Cock •Hyper Cock •Size Decrease •Series •M/M  Added Jun 2019 2,976 words 8,121 views 4.8 stars (13 votes)
• 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!  •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  Added Dec 2022 5,891 words 3,905 views 4.8 stars (6 votes)
• 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.  •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 •Series •M/M  Added Jun 2022 Updated Jul 2022 2 parts 17,878 words 12,312 views 4.5 stars (20 votes)
• 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.  •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Breast Expansion •Gradual Change •