BRK

Transformation Tag Group

Stories that fall into the tag group “Transformation”. Tags in this group: Blood; Body Swap; Gradual Change; Human to Body Part; Human to Inanimate; Inanimate to Human; Infectious; Race/Ethnicity Change; Transformation.

515 stories found. Total word count: 6,623,708.

A

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 •M/M Added Dec 2013 11 parts 30,556 words 60,227 views 4.8 stars (38 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 20,669 views 4.9 stars (62 votes)
The accidental wizard by nolanspice [ ] Ken and Jay’s excursion into alchemy yields astounding results. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Voice Deepening •Plausible Size Difference •Size Increase •Age Regression •Race/Ethnicity Change Added Jan 2006 2 parts 2,926 words 24,387 views 4.2 stars (5 votes)
Acclimating by Dream Big [ ] Dealing with finding yourself unwillingly summoned into a fantasy-themed world as a fearsome, horned, and hung demon is, it turns out, mostly a matter of adjusting yourself to your new situation. •Cock Growth •Huge Cock •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Demons •Witch/Warlock/Wizard •Fantasy Realm •Shapeshifting •M/M •M/M/M Added Mar 2020 Updated Nov 2021 41 parts 40,366 words 23,659 views 5.0 stars (26 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 Added Dec 2003 8,642 words 75,929 views 5.0 stars (46 votes)
Adonis Brothers: Madame DuBois’s Robots by Void [ ] The brothers come face-to-face with their greatest weakness. With both heroes on the very brink of defeat and drained of their super-powers, this could very well be the end for both Josh and Adam. •Transformation •Nonconsensual change •Superhero/Supervillain •Series Added Feb 2021 2,263 words 2,378 views
Adonis Brothers: The Bunny Bandit by Void [ ] The Bunny Bandit strikes again! While thwarting a bank heist, Josh and Adam discover a new foe. Will our fearless bulging super-brief-enhanced heroes save the day? Or will they become the next unwitting victims of the Bandit and his evil henchmen? •Muscle/Strength •Muscle/Strength •Transformation •Transformation •Human to Animal/Anthro •Human to Animal/Anthro •Nonconsensual change •Nonconsensual change •Superhero/Supervillain •Superhero/Supervillain •Series •Series Added Feb 2021 1,155 words 3,018 views
Adonis Brothers: The fireman by Void [ ] Nathan met the brothers only a few weeks prior. Now, a work incident that very nearly cost Nathan his life gives the brothers a chance to return the favor, and gives Nathan another chance to take a much closer look at both the brothers and their sexy super briefs. •Huge Cock •Huge Cock •Transformation •Transformation •Superhero/Supervillain •Superhero/Supervillain •Series •Series Added Mar 2021 1,579 words 3,265 views
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 Added Feb 2020 6 parts 3,916 words 8,264 views 4.6 stars (5 votes)
Ah! my god by Josh Arima [ ] A short and much less awkward alternative story inspired by the manga/anime Oh My Goddess. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Inflation Added Jun 2005 4,325 words 30,941 views 4.6 stars (11 votes)
Airport muscle by Richard Jasper [ ] When you have a really long layover, having a sleeping cube comes in handy! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Shapeshifting Added Jan 2020 Updated Feb 2020 5 parts 5,889 words 10,391 views
Alassares and the cum-starved sword by brazboy [ ] Elgaro, the magic sword, needs to be properly assisted and fed by its commander and wielder. •Cockless •Huge Cock •Inanimate to Human •Fantasy Realm •Series •M/M Added Feb 2022 Updated Mar 2022 1,706 words 1,888 views
Alassares and the prince of centaurs by brazboy [ ] Oblodun, the twelfth prince of the Centaur Khanate, is a close friend of Alassares, the second prince of the Northern Empire, and as such he asks his talented mate for a favor: will he help cure the lonely centaur of his homesickness and horniness at the same time? •Cock Growth •Huge Cock •Hyper Cock •Transformation •Human to Animal/Anthro •Centaurs •Fantasy Realm •Series •M/M Added Feb 2022 Updated Mar 2022 3,008 words 1,922 views
All good gifts by Sean Innicioni [ ] •Hermaphrodite •Transformation •Size Decrease Added May 2011 1,419 words 18,913 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 •Immobility •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Infectious •M/M •M/M/M Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 184,672 views 4.6 stars (133 votes)
All your wildest dreams by FloralSpaded [ ] When Walker has his hot friend Joe over for the night, things get out of hand and all of Walker’s wildest dreams come true. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Infectious Added Jun 2018 2 parts 1,496 words 15,076 views 3.1 stars (19 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 38,228 views 4.7 stars (12 votes)
The Alpha by Ziel [ ] Harrison’s chance encounter with the creature that has been stalking the campus changes him in ways he’d never thought possible. •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Human to Animal/Anthro •Getting Hairy •Nonconsensual change •Anthro/Furry Added Dec 2017 4,118 words 22,262 views
Alpha Logan claims a beta by Eric Aaldersen [ ] Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •M/M Added Dec 2021 4,961 words 6,586 views 5.0 stars (7 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 12,225 views 5.0 stars (10 votes)
Alpha Luke passes on the lore by Eric Aaldersen [ ] Luke and Brian’s story finally reaches its climax and afterwards things get positively mystical. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Supernatural •Series Added May 2020 4,887 words 5,577 views 5.0 stars (8 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 Added Mar 2020 5,437 words 9,071 views 4.6 stars (20 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 Mar 2022 11 parts 42,342 words 50,299 views 4.9 stars (178 votes)
Amethyst horizon by will88nh [ ] Change comes unexpectedly to Will, in the form of a pizza delivery boy. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Age Regression •Suggestion •M/M Added Aug 2005 3 parts 6,316 words 13,273 views 4.4 stars (7 votes)
Amphitriton by Jan L [ ] Returning home after a long imprisonment, the prince of the long-lived and very randy mer-folk celebrates with enjoys the pleasures of his handsome bondmate and several equally sexy friends, when a sudden danger arises that threatens the whole mer community. •Huge Cock •Prehensile Cock •Multi-abs •Transformation •Anthro/Scaly •Mermen •M/M Added Sep 2004 3,863 words 15,680 views
And let your arrow go by screamingmoist [ ] A young man gets more attention from Cupid than he ever wanted. •Cock Shrinking •Straight to Gay •Muscle Theft •Transformation •Valentine's Day •M/M Added Feb 2022 5,327 words 4,088 views 4.7 stars (6 votes)
And then he came by Teen Hulk [ ] David's dream is interrupted … but only until his next visit to the gym. •Cock Growth •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •First Time/Virgin •Infectious •M/M Added May 2002 2 parts 7,372 words 41,234 views 4.4 stars (9 votes)
Angelo and Adrian by WordShop [ ] Genius Angelo and sweet Adrian are both scarred by their pasts. Angelo has to accept change in his life, and accidentally, without intending it, Adrian is forced to accept a new life for which he is not at all prepared. •Cock Growth •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Infectious •M/M Added Oct 2017 Updated May 2018 9 parts 43,220 words 23,102 views 4.5 stars (8 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 4,607 views
Anomalous Materials Research Facility 3‑DL by Mad Dog and Gurak [ ] Working with exotic materials on a distant research space station is all in a day’s work for Carter, a theoretical physicist and the sole mundane human in a crew of sexy (and sex-loving) creatures straight out of a very dirty fantasy novel. But when you work with stuff that scoffs at the laws of physics, normality can’t remain unbent forever. •Cock Growth •Huge Cock •Hyper Cock •Multicock •Multihead •Multilimb •Male Pregnancy •Transformation •Size Increase •Anthro/Furry •Centaurs •Demons •Orcs •M/M •M/M/M Added Sep 2019 Updated Mar 2020 6 parts 32,475 words 20,204 views 4.9 stars (26 votes)
Antony Smith by Locky [ ] •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Foot Growth •Gradual Change •Getting Taller •Giants •Size Increase Added Dec 2004 3 parts 3,474 words 32,293 views 3.7 stars (10 votes)
Anything to grow by Big Bull Trainer [ ] There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person. •Getting Dumber •Immobility •Muscle Growth •Muscle/Strength •Transformation •Size Increase Added Aug 2016 7,815 words 41,120 views 4.4 stars (16 votes)
Are you sure by Dream Big [ ] Suddenly awash with money, Bill takes the plunge and follows the stories of secretly augmented men and women to a remote lab where they promise to fix everything he doesn’t like about his body. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Size Increase •Race/Ethnicity Change •Bisexual •Hetero Sex Added Nov 2019 5 parts 6,234 words 13,465 views 4.4 stars (5 votes)
The Arsenal of Secrets by BRK [ ] Griffin, tired of being smaller than his farm-brute brothers, stumbles backwards into a way to make himself more like what he wants to be: big and strong enough to catch the eye of a beautiful, bashful, broad-shouldered apprentice blacksmith named Wass. •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Transformation •Getting Taller •Size Increase •Fantasy Realm •Series •M/M Added Aug 2020 10 parts 25,798 words 7,213 views 4.9 stars (9 votes)
As you please by Ybara Montefiore [ ] Todd stumbles upon a training camp that offers him a guaranteed routine to make him grow, but he worries what the program might be hiding. •Muscle Growth •Gradual Change •Getting Taller •Size Increase •M Added Aug 2022 Updated Oct 2022 7 parts 12,665 words 14,758 views 5.0 stars (24 votes)
Ascension Escape Games by SomeMediaGuy [ ] 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 •Ball Growth •Huge Balls •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 2,009 views 4.8 stars (12 votes)
At the cafeteria by BRK [ ] Jordan meets up with his friends at the cafeteria very late one night before midterms. They end up making a game of passing around Ethan’s ancient-recipe birthday liqueur and telling strange rumors about each other, with some unintended consequences. •Cock Growth •Huge Cock •Multicock •Muscle Growth •Muscle/Strength •Getting Handsomer •Retcon •Suggestion •Infectious •Immortality •M/M •M/M/M Added Jun 2015 3 parts 8,362 words 28,058 views 4.7 stars (42 votes)
The attack of Tchutchuca by brazboy [ ] A weird phenomenon takes place in the old colonial city of Paraty: after a strong tide, the sea turns a bit sweet, and its scent is enough to drive the males in the small town mad. Some say it’s the work of the devil, others swear it down to the old local monster Tchutchuca. The state government sends a biologist to investigate, but there is little to be done other than witness history. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multicock •Straight to Gay •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •M/M/M/... Added Jul 2022 Updated Jun 2022 8,430 words 3,562 views 4.5 stars (6 votes)

B

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 29,922 views 4.9 stars (12 votes)
Becoming a family of their own by TreborNawoc [ ] It’s date night for Alex and Dylan, and Alex has plans to make the evening truly special. •Huge Cock •Hyper Cock •Extra digits •Extra facial features •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Gradual Change •Transformation •Getting Taller •Hyper Tongue •Series •M/M Added Aug 2022 Updated Oct 2022 5 parts 16,366 words 2,649 views 4.9 stars (76 votes)
Becoming Jeremy by Collan [ ] Two high school seniors take a chance at new lives. •Muscle/Strength •Nonconsensual change •Body Swap •Stories with Images •t/t Added Apr 2022 3,597 words 4,504 views
Becoming the adult store hunk by LeMapp [ ] A young man happens on a way to temporarily become the hot guy he was just lusting after in the adult goodies store. •Body Suit •Body Swap •M/M Added Apr 2003 1,173 words 24,188 views 4.4 stars (9 votes)
Ben Dover and Neil Down by Cris Kane [ ] A pair of nerds figure out a way to be popular and studly, at least for one weekend. •Muscle/Strength •Body Swap •M/M Added Mar 2022 1,123 words 2,368 views
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 64,246 views 4.7 stars (38 votes)
Benefit of the doubt by BRK [ ] Pete decides to do something about the way people always underestimate him because of his size. His first step is to get a tattoo... •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Retcon •M/M Added May 2022 3 parts 5,953 words 7,960 views 4.9 stars (15 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 52,511 views 4.7 stars (37 votes)
The berry by rm20 [ ] •Immobility •Transformation •Size Increase •Inflation •Nonconsensual change •Demons •Horror •M/Inh Added Apr 2006 1,134 words 11,361 views
Best body modification ever by Oneleg Smith [ ] Mike meets an unconventional surgeon who specializes in improving your body and making sex better in unexpected ways. •Cock Growth •Huge Cock •Hyper Anus •Transformation •Rubber/Latex Added Mar 2019 1,994 words 15,853 views 4.3 stars (6 votes)
Best buds by Richard Jasper [ ] John and James, one straight, one gay, are freshman roommates. They bond over bodybuilding… and succeed beyond their wildest imaginings. •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy Added Feb 2020 9 parts 13,438 words 11,487 views 5.0 stars (6 votes)
The best instructions are those that are clearly stated by Ziel [ ] Marty talks his super smart friend into whipping him up a special potion that will help with his little problem. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Infectious Added Jun 2016 5,194 words 19,010 views 5.0 stars (10 votes)
Best laid plans by Collan [ ] Two college boyfriends try to upgrade their lives by becoming someone else, but things don’t turn out the way they expect. •Gay to Straight •Nonconsensual change •Body Swap •All Dialog •Stories with Images •M/M Added Apr 2022 1,290 words 3,909 views 5.0 stars (5 votes)
Beta Danny’s day at the park by Eric Aaldersen [ ] Danny asks Luke to do some roleplaying with him when they’re in public and it has super sexy consequences. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural •Series Added Dec 2020 3,893 words 6,736 views 5.0 stars (11 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. •Cut to Uncut •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series Added Jun 2020 6,499 words 16,675 views 5.0 stars (14 votes)
Big cat by Growlboys [ ] There’s a special substance on the market that’s driving people wild. In need of a fix after ten days without, Sam is told of a brothel where he get it. There he finds Doug, a werecat who’s not having a great life right now. •Cock Growth •Huge Cock •Addiction •Transformation •Destruction/Violence •Anthro/Furry Added Jul 2019 3,371 words 5,111 views
A big year by Dancer [ ] Andy gets a big surprise when a fortune teller tells him he will have big gains this year. •Cock Growth •Huge Cock •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Plausible Size Difference •Size Increase •M/M Added Mar 2018 4,317 words 21,348 views 4.4 stars (16 votes)
Bigger issues: Ultimate growth by muscl4life [ ] •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Size Increase •Infectious •Series Added Nov 2013 Updated Dec 2013 6 parts 31,808 words 40,692 views 4.4 stars (7 votes)
Blessed by the moon by Saaruu [ ] Ritzy gets back from work, exhausted. He gazes at the moon, which somehow feels… different from usual. His roommate comes back home and they both enjoy a nice adult film when the werewolf in Ritzy decides to go wild. Really wild. And big. •Hyper Cock •Hyper Cum •Muscle Growth •Transformation •Size Increase •Anthro/Furry •Werewolves •M/M Added Sep 2018 3,700 words 16,465 views 4.3 stars (7 votes)
Bloody pumpkin fuckers by NaughtyKitchenware [ ] 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 10,850 views 4.8 stars (10 votes)
Boardwalk muscle by Lou Garou 78 [ ] A randy bathroom encounter leads to an unexpected transformation. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Merging •M/M Added Feb 2022 1,965 words 4,876 views 4.9 stars (10 votes)
Body love by Josh Dugan [ ] An effort to remember the dawn of a utopian transformation. •Transformation Added May 2002 993 words 12,999 views
The body spray by Coalth [ ] Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. •Huge Cock •Muscle Growth •Muscle/Strength •Public Nudity •Man Scent •Gradual Change •Human to Animal/Anthro •Getting Hairy •Anthro/Furry •M/M Added Mar 2013 6 parts 5,880 words 36,181 views 5.0 stars (12 votes)
The bodyguards by Alakazam1988 [ ] 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 36,571 views 4.8 stars (43 votes)
Bodymorphchat by BRK [ ] Conversations in this chat room are just like any other, with one exception: your screen name eventually becomes literally true. •Multi-abs •Multicock •Boytaur •Multiarm •Multileg •Multilimb •Replication •Stretchy •Transformation •All Dialog •M/M •M/M/M Added Nov 2004 1,920 words 21,787 views 5.0 stars (10 votes)
The book in the basement stacks by BRK [ ] Eric reluctantly takes refuge from a storm in his college’s enormous and ancient library, and soon finds himself exploring parts of the stacks best left alone. •Cock Growth •Multi-abs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Increase •Nonconsensual change •NS Added Oct 2021 2,887 words 8,391 views 4.8 stars (12 votes)
The Book of Ra’malek by Joshua [ ] The Book of Ra’malek tells the story of the founding of a sacred Brotherhood by the warrior king and mystic, Ra’malek. The book is also the sacred text of this Brotherhood, an elite and little-known group of warrior-mystic men. They herald from a time when men had many husbands and wives. Sex is woven into the tapestry of their rites. Is this just another erotic fiction? Or might you, dear reader, be about to embark upon a life changing journey and find yourself amongst the ranks of this ancient organisation, still shrouded in mystery? •Muscle Growth •Transformation •Horror •Supernatural •Flying Added May 2020 20 parts 3,918 words 3,147 views
Bottoms up by Cockatrice [ ] He never thought of himself as a butt guy, but when he heard about this new rejuvenation procedure, well, he got to know the new him. •Transformation •Human to Body Part Added Aug 2020 5,923 words 3,093 views
The boytaur next door by BRK [ ] Phil moves into a new apartment and is perplexed and aroused to discover that his new next-door neighbor has more going for him than most guys do. •Always Hard •Cock Growth •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Stacking •Muscle Growth •Always Shirtless •Gradual Change •Getting Taller •Retcon •Witch/Warlock/Wizard •M/M Added Mar 2022 4 parts 7,551 words 3,016 views 5.0 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 •Muscle Growth •Butt Growth •Gradual Change •Getting Taller •Size Increase •M/M Added Apr 2022 Updated Sep 2022 5 parts 18,273 words 21,856 views 4.9 stars (75 votes)
The Bridge by Stumpjumper [ ] A safety technician is exposed to an artificial intelligence that rebuilds him and his best friend in ways they can't imagine. A decade later, the repercussions are still unfolding. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Transformation •Getting Hairy •A.I.-Controlled Change Added Jun 2019 5,446 words 11,395 views 4.7 stars (10 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 102,517 views 4.8 stars (89 votes)
Building a species by ArdanWolfe [ ] When his homeworld faces annihilation, the sole survivor must find a new species capable of helping him preserve his race. Will he find what he needs on a tiny blue and green planet called Earth? •Cock Growth •Male Pregnancy •Transformation •Nonconsensual change •Aliens Added Jun 2021 3 parts 2,562 words 4,474 views
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 46,587 views 4.6 stars (17 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 75,585 views 4.8 stars (37 votes)
Burst by BRK [ ] In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… •Cock Growth •Huge Cock •Multicock •Replication •Other Mental Changes •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Stretchy •Getting Handsomer •Transformation •Getting Taller •Size Increase •Aliens •Christmas Added Dec 2020 3 parts 11,494 words 8,843 views 4.8 stars (12 votes)

C

C is for… by King Dave [ ] Owen decides to order some custom health supplements online. He never expected them to have these kinds of side effects. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Age Regression Added Feb 2021 Updated Mar 2021 4 parts 8,701 words 15,644 views 4.9 stars (13 votes)
Caeman the Conquerer by Tereshky [ ] An ambitious general gets more than he bargained for during a ceremony to take over a conquered city in this fantasy-based story. •Cock Growth •Multiarm •Multilimb •Transformation •Giants •Tongue Growth •Naga •Fantasy Realm Added May 2018 3,420 words 7,601 views 4.3 stars (11 votes)
Camp switch by Unknown [ ] •Body Swap Added Apr 2003 2,978 words 16,920 views 3.7 stars (7 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 Oct 2021 7 parts 22,416 words 11,446 views 5.0 stars (6 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. •Cock Growth •Increased Libido •Gradual Change •App •Hypnosis •Mind Control •M/M Added Jul 2022 Updated Sep 2022 7 parts 21,490 words 14,765 views 5.0 stars (33 votes)
Catboy chronicles by Eriknl77 [ ] How a new mobile app changes the entire life of a young jock who can’t resist turning himself first into a plant and then into a feline-muscleboy hybrid. •Muscle/Strength •Transformation •Human to Animal/Anthro •App Added Oct 2018 4,225 words 7,250 views
Catfished by MuscleNexus [ ] Rory his getting exasperated with the selection of unappealing men on his dating app. Then he comes across Buck, only a half mile away and looking for twinks over muscle. What his profile doesn’t say is why. •Muscle Growth •Transformation •Getting Hairy •Nonconsensual change Added Sep 2018 1,694 words 12,281 views 4.1 stars (10 votes)
The Change continues by Richard Jasper [ ] The Change is unstoppable, spreading rapidly through the gay male population, while those who first experienced it revel in their increasingly wild transformation. •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Size Increase •Nonconsensual change •Infectious •Series Added Apr 2020 6 parts 6,405 words 9,635 views
Change of mind by Mango Deville [ ] A man with a failing body finds a way to swap places with a healthy but brain-dead young man. •Body Swap Added Jan 2003 6 parts 9,459 words 17,009 views 4.8 stars (5 votes)
Changes in Bigby Heights by NBCK99 [ ] Alex Stevens has always been shy, being the only boytaur in Bigby Heights, but Jesse helps bring him out of his shell. But after their first encounter, reality seems to shift. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multi-abs •Multicock •Boytaur •Four Legs •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Taller •Retcon •Infectious •M/M •M/M/M Added Jun 2010 Updated Sep 2010 3 parts 5,173 words 23,163 views 4.7 stars (21 votes)
Changing clothes by Sean Innicioni [ ] Two friends try out the costumes at Madame Esmeralda’s Magical Outfits. •Cock Growth •Boytaur •Multiarm •Multileg •Multilimb •Stretchy •Transformation •Mermen •Naga •M/M Added May 2011 2,838 words 20,411 views
Charlie and Frankie’s exciting new experience by Charlie Frazer [ ] Two friends go into a strange store that turns out to offer latex monster cocks, complete with a demonstration from the shopguy of exactly how well they function. •Cock Growth •Transformation •Rubber/Latex Added Feb 2018 1,331 words 8,709 views 5.0 stars (7 votes)
Chat transcript: More than plenty by BRK [ ] Two guys chatting about extras end up giving each other the works. •Multicock •Multilimb •Replication •Size Increase •Infectious •All Dialog •M/M Added Nov 2014 2,780 words 7,288 views 5.0 stars (7 votes)
The Christmas ghost of FitzHardinge Manor by BRK [ ] A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Destruction/Violence •Mermen •Ghosts •Incubus/Succubus •Witch/Warlock/Wizard •Supernatural •Christmas •Immortality •Invisibility •19th Century •M/M •M/M/M Added Dec 2017 Updated Dec 2018 3 parts 22,408 words 13,365 views 4.9 stars (15 votes)
A Christmas wish by Buck Reams [ ] Writing out your fantasies can have practical consequences, if you do it on a scrap of paper you forgot came from a magical tome. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Getting Hairy •Nonconsensual change •Infectious •Christmas •M/M Added Dec 2019 1,975 words 16,183 views 4.8 stars (22 votes)
The chronicles of Besar Otot by OneLuckyGuy89 [ ] On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Gender Swap •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Hyper Pheromones Added Jan 2020 Updated May 2021 8 parts 25,601 words 16,406 views
Click bate by Dream Big [ ] Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Other Mental Changes •Increased Libido •Transformation •A.I.-Controlled Change •Merging •Set during the Pandemic •M/M •M/M/M/... Added Nov 2020 Updated Mar 2022 26 parts 23,289 words 22,884 views 4.9 stars (33 votes)
The clockwork dial by RdyRoger [ ] A man finds what looks like a beat-up old pocket watch, but when he gets it working again he finds its intricate dials and mechanisms are actually designed to make other guys incrementally—like his roommate Gabe, for example. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Age Regression •Getting Hairy Added Apr 2012 3,603 words 23,359 views 4.7 stars (18 votes)
Clowning around by screamingmoist [ ] A group of arrogant young men get a surprise visit, but it’s no laughing matter. •Cock Growth •Muscle Growth •Butt Growth •Transformation •Inflation •M/M •M/M/M Added Aug 2022 3,664 words 4,298 views 4.5 stars (6 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 34,570 views 4.9 stars (30 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 Added Aug 2020 Updated Oct 2020 5 parts 8,685 words 12,528 views 4.4 stars (10 votes)
The cock bois by CockTFBoi [ ] When Colin gets a text from a blocked number he is drawn into an adventure to uncover a conspiracy and find his boyfriend. •Cock Shrinking •Cockless •Human to Cock •Hyper Cum •Transformation •Size Decrease •Size Increase •M/M •M/M/M Added Mar 2021 Updated Oct 2021 7 parts 20,659 words 10,599 views 4.8 stars (8 votes)
Cock boy conversions by CockTFBoi [ ] A gift of wish-power to a horny teen leads to some hot guys at school being turned into cock-creatures. •Human to Cock •Multicock •Straight to Gay •Transformation •Size Decrease •Nonconsensual change •t/t •t/t/t... Added Mar 2014 19 parts 14,199 words 42,462 views 3.4 stars (9 votes)
The cock mage by CockTFBoi [ ] Galen is a cock mage, someone who can use the magic of cum to transform himself and those around him, at least for a little while. He uses his magic mostly to make his hookups more exciting, but when he wakes up one morning and someone has been making far-reaching changes he feels the need to get involved and figure out what is going on. •Cock Shrinking •Cock Theft •Straight to Gay •Always Shirtless •Man Scent •Increased Libido •Transformation •Nonconsensual change •M/M Added Feb 2022 Updated May 2022 6 parts 24,307 words 6,178 views 4.8 stars (12 votes)
Cocked by Alex Anders [ ] The town’s dark secret makes a new friend. •Always Hard •Huge Cock •Human to Cock •Transformation •Series •M/M Added Sep 2021 989 words 3,503 views 5.0 stars (7 votes)
The Cockmoore Chronicles: Brandon by CockTFBoi [ ] When Brandon comes across a magic book that can change anyone, he does what most guys would do: give himself a bigger dick. As the growth goes unchecked, he struggles to find a way to stop it or the intense pleasure that goes with the changes. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Muscle Growth •Gradual Change •M/M Added Sep 2022 4,999 words 3,193 views 4.9 stars (8 votes)
Cocks and minds by Cockatrice [ ] Not having a cock himself, Hatim’s only chance to get transformed is a retired dicking coach. •Human to Cock •Transformation •M/M Added Jun 2022 7,265 words 1,149 views
Colt chronicles: A form for any occasion by Neltharion5 [ ] •Huge Cock •Multilimb •Muscle Growth •Muscle/Strength •Transformation •Time Travel •Centaurs •Shapeshifting •Series Added Feb 2010 5,218 words 16,145 views 3.6 stars (8 votes)
Colt chronicles: Sender’s gain by Neltharion5 [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Series Added Sep 2009 4,728 words 15,503 views
Come to me by Richard Jasper [ ] Eric is a hot, young skimpy stud—what nowadays we’d call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice’s advice—with results more spectacular than he could have imagined! •Muscle Growth •Gradual Change Added Apr 2020 10 parts 12,348 words 7,703 views 5.0 stars (7 votes)
Contamination by RdyRoger [ ] After his dick came in contact with an experimental substance, high schooler Vincent starts slowly getting bigger… first in his crotch and then other places, too. Thomas, a tall, handsome jock, likes teasing him about it at every opportunity. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Getting Hairy •Infectious Added Jul 2019 6,135 words 20,073 views 4.3 stars (10 votes)
Cop boots by CatLuvr [ ] •Body Swap Added Jun 2003 2,235 words 20,734 views 4.8 stars (5 votes)
Corporate relation by Unknown [ ] •Transformation Added Apr 2003 1,938 words 10,410 views
Costumed by Tym Greene [ ] Two buddies get one of those two-man costumes for a party, and find themselves growing…closer. •Transformation •Human to Animal/Anthro •Merging •Centaurs Added Mar 2021 4,977 words 4,374 views 4.8 stars (5 votes)
Crafting my cousin by Fallon Ives [ ] Yusef’s cousin Hadi introduces him to a new game with a surprisingly detailed character creator. Might as well go wild with it, right? When Hadi hacks the game, however, changes made to their characters start to have strange effects on the real world. •Cock Growth •Cock Theft •Muscle Growth •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Race/Ethnicity Change •Getting Fatter •App •Orcs •Fantasy Realm •M/M Added Feb 2022 7,243 words 5,297 views
Craterville by BRK [ ] When everyone in town has some kind of power that half the time they aren’t even aware of, the guy whose power is to tell with everyone else’s power is might feel like he’s got the short end of the stick. Sometimes, though, there are ways to make it work for you. •Cock Growth •Huge Cock •Multicock •Multilimb •Replication •Muscle/Strength •Transformation •Size Increase •M/M •M/M/M Added Mar 2009 3,363 words 23,033 views 4.7 stars (13 votes)
Crotchhead town by Cockatrice [ ] When the only affordable roomshare he can find is in Crotchhead Town, Chris finds he’s more intrigued than he expected. •Crotchhead •Transformation Added Mar 2020 4,344 words 3,640 views 4.7 stars (6 votes)
Crotchmania by Alex Anders [ ] A lucky porn star gets to partake of the newest fad. •Crotchhead •Transformation •Mouthcock •Infectious Added Aug 2021 1,672 words 3,186 views
Cruise cocktail by BRK [ ] For a guy on a deluxe, all-expenses-paid gay cruise, Carter is a little grumpy. Maybe it has something to do with the fact that he’s having trouble fitting into his briefs thanks to a certain shipboard perk he hadn’t known about ahead of time. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Gradual Change •Getting Hairy •NS Added Feb 2022 1,648 words 4,598 views 4.8 stars (15 votes)
Cu Raigo by NaughtyKitchenware [ ] Raigo, an adrenaline-addicted porn star, finds himself in a snow storm. Luckily, a mysterious and large stranger saves him, which leads to a lot of changes for both of them. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Muscle Growth •Transformation •Size Increase •Anthro/Furry •Stories with Images Added May 2021 6,103 words 8,980 views 4.2 stars (11 votes)
The curse by muscl4life [ ] •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation Added May 2014 2,443 words 24,603 views 4.1 stars (9 votes)
The curse of the pink thong by WIP Topping [ ] Max makes homophobic comments in the locker room and gets cursed. Will he learn to embrace the havoc that the curse wreaks on his body? •Cock Shrinking •Muscle/Strength •Transformation •Getting Hairy •Mind Control •Series Added Sep 2016 6,790 words 26,297 views 4.3 stars (10 votes)
Curse room by BRK [ ] As the landlord’s son, Joey gets to deal with abandoned apartments and whatever might be in them. Usually it’s just junk; but the guy that skipped on unit 12E was deeply weird, and the way he’d looked at Joey before was more than a little scary. •Cock Growth •Huge Balls •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Getting Taller •Plausible Size Difference •Infectious •M/M Added Apr 2022 2,828 words 4,092 views 4.6 stars (8 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 16,784 views 4.4 stars (5 votes)
Cursed compression top by Rurik [ ] A cursed compression top will transform its wearer beyond his wildest dreams. •Muscle Growth •Transformation •Body Suit •Symbiotes Added May 2020 Updated Jun 2020 3 parts 3,136 words 9,842 views 4.5 stars (14 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 7,982 views 4.2 stars (5 votes)
Curses and consequences by BRK [ ] Reading this story is a bad idea, but you can’t resist now that you know it’s cursed. •Always Hard •Cock Growth •Huge Cock •Self-suck •Always Cumming •Hyper Cum •Multi-abs •Multiarm •Multilimb •Addiction •Increased Libido •Gradual Change •Getting Taller •Retcon •Social Media •Supernatural Added Sep 2021 1,456 words 7,993 views 4.8 stars (14 votes)
Customer satisfaction by BRK [ ] During his time in Bucharest, Peter is experimenting with his magic, infusing the clothes in the shop he’s working at with special transformative properties. What he doesn’t expect is for one of his customers to come back and confront him over what Peter had done to his junk. •Cock Growth •Huge Cock •Multicock •Multihead •Muscle/Strength •Body Swap •Series Added Mar 2020 2,795 words 5,634 views 3.5 stars (6 votes)
Customer service by Cris Kane [ ] A gay tech guy sent to fix a glitch in a new virtual-reality system comes face to face with his biggest celebrity crush. •Huge Cock •Bisexual •Body Swap Added Jun 2020 4,866 words 3,525 views
Cutting through by Peeda [ ] The story of a boy, a knife and a fantasy. •Self-suck •Multilimb •Detachable •Transformation •Body Swap Added Dec 2015 Updated May 2016 4 parts 5,776 words 23,118 views 4.8 stars (25 votes)

D

Damian and the three muscleteens by hyperboi [ ] •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins •Infectious Added Dec 2012 5 parts 8,169 words 53,244 views 4.3 stars (27 votes)
Dawn of the Dragon-Men by JKL [ ] Drake and Irving stumble on an old dragon’s nest and investigate a dead-looking dragon’s egg they find there, only it’s not as inert as it seems. •Wings •Straight to Gay •Muscle Growth •Transformation •Size Increase •First Time/Virgin •Anthro/Scaly Added May 2020 1,156 words 3,955 views
DeadGuy by BRK [ ] Wyatt downloads an app called DeadGuy, which is supposed to be the app responding randomly to your questions in the voice of a fake cartoon ghost. What Wyatt doesn’t know is, the ghost isn’t fake at all. •Cock Growth •Huge Cock •Muscle Growth •Gradual Change •Getting Taller •App •Suggestion •Merging •Ghosts •Supernatural Added Feb 2021 3,502 words 6,253 views 4.9 stars (10 votes)
Death and rebirth by NaughtyKitchenware [ ] Being a menace towards nature is not that great to begin with, but what happens when it strikes back? •Always Hard •Cock Vore •Huge Balls •Huge Cock •Human to Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Giants •Size Increase •Nonconsensual change •Vore •Absorption •Satyrs •M/M •M/M/M Added Oct 2021 2,521 words 7,398 views 4.3 stars (6 votes)
Denny by James Fourlegs [ ] A true friend of mysterious lineage grants a wish to a Metabods devotee. •Huge Cock •Multicock •Boytaur •Four Legs •Multileg •Multilimb •Transformation •Centaurs •Shapeshifting Added Nov 1998 3,208 words 11,007 views 4.6 stars (5 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 •Alcohol •Series •M/M •M/M/M Added Jul 2022 5,244 words 5,365 views 4.7 stars (7 votes)
Dog and Pony Show: FAQ by Musiker [ ] A hugely muscled human/dog hybrid gets to answer some FAQs about his awesome life in the adults-only Land of Eros Zoo, including daily activities, his sex life with his big, horsey lover, and just how lovingly their Master takes care of them. •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Human to Animal/Anthro •Bisexual •Dom/Sub •Sex-Slave •Anthro/Furry •Series Added Apr 2019 7,086 words 5,875 views
Doing what you love by brazboy [ ] Henrique wants to live his life doing what he loves—a life without worries, a life of being useful. In another time he might have become a monk, but to him what that truly means is to become an object. •Huge Cock •Human to Cock •Immobility •Transformation •Human to Inanimate •Dom/Sub •Restraints •M/Inh •M/M Added Dec 2021 5,478 words 3,623 views
Donkey morning by nixxin [ ] The morning after the night before leaves a young man strangely changed… •Transformation •Human to Animal/Anthro Added Jun 2020 1,293 words 3,793 views
Don’t cum by LordTronimator [ ] A world doomed by those who find themselves unable to stop cumming once they start, recounted by an innocent victim. •Hyper Cum •Nonconsensual change •Infectious •Horror Added Sep 2020 1,471 words 8,408 views 4.0 stars (5 votes)
Don’t love yourself too much by Mango Deville [ ] •Body Swap Added May 2005 2 parts 4,511 words 14,749 views
Dude, look what I found! by Alex Anders [ ] Some frat bros find a genie and end up surprising the fuck out of it. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Prehensile Cock •Extra facial features •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Multitongue •Replication •Wristfeet •Straight to Gay •Public Nudity •Transformation •Size Decrease •Size Increase •Mouthcock •Djin/Jinn/Genie •M/M •M/M/M/... Added Mar 2022 Updated Sep 2022 7 parts 6,049 words 9,630 views 4.3 stars (9 votes)
Dude, that’s a really thick cock by John Perrot [ ] A young man starts out buff and thickly hung and keeps getting bigger. Inspired by ‘That’s a Really Huge Cock Bro’ by Luke B. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Getting Taller •Size Increase •All Dialog •M/M Added May 2022 2,620 words 9,297 views 4.7 stars (18 votes)
Due diligence by Lou Garou 78 [ ] A gym rat running out of options for finding the perfect woman tries swapping with a younger stud, only it turns out he didn’t have all the facts about his chosen target. •Dom to Sub •Straight to Gay •Muscle Growth •Dom/Sub •Body Swap •M/M Added Jul 2022 5,012 words 3,612 views 5.0 stars (5 votes)
Dylan & Josh by Alakazam1988 [ ] Tired of settling or doing without, Josh is determined to find a boyfriend with a more than ample package. Dylan meets his requirements… and then some. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Gradual Change •Christmas •M/M Added Apr 2019 Updated Jul 2019 16 parts 18,351 words 24,792 views 4.5 stars (30 votes)

E

The end of Donald by SoxNTies [ ] Dark tale of a privileged banker getting his just desserts. •Transformation •Race/Ethnicity Change •Humiliation •Nonconsensual change •Mind Control Added Apr 2003 2,296 words 9,509 views
Enhanced muscle and futuristic porn by Marquis de Rent [ ] In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. •Cock Growth •Huge Cock •Hyper Cock •Female to Male •Immobility •Muscle Growth •Muscle/Strength •Transformation •Plausible Size Difference •Size Increase •Nanotech •Space Travel •Set in the Future •M/M •M/M/M Added Sep 2016 5 parts 25,251 words 29,774 views 4.5 stars (26 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 •Hyper Anus •Increased Libido •Gradual Change •Transformation •Size Increase •Nanotech •Nonconsensual change •Infectious Added May 2013 Updated Jun 2013 5 parts 14,943 words 51,980 views 4.6 stars (27 votes)
Everyone wants a cock as big as his wrist, right? by Robert James [ ] Talking about having a wrist-thick cock and actually having one are two different things. •Cock Growth •Huge Cock •Amputation •Transformation Added Mar 2019 1,448 words 6,333 views
The expedition by BRK [ ] An archaeologist and his research assistant, joined at the last minute by a jock desperate to boost his GPA, embark on a preliminary exploration of a mysterious Aegean island. •Always Hard •Cock Growth •Huge Cock •Multicock •Multihead •Boytaur •Four Legs •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Replication •Stacking •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Tongue Growth •Age Difference •Infectious •Merging •Shared Body •Centaurs •M/M •M/M/M Added Jul 2021 Updated Oct 2022 16 parts 36,523 words 14,442 views 4.9 stars (15 votes)

F

The fake boyfriend by BRK [ ] Zeke must travel back to his hometown, Woody Hole, in a last-ditch effort to prove he’s gay and end the eternal matchmaking with his high-school girlfriend, Stacy. A fake boyfriend is the only way—but Zeke’s closest relationship is with a customized character from an open-sandbox simulation game, a cocky personal trainer named Troy. •Cock Growth •Huge Cock •Extra digits •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue Added Aug 2020 4 parts 13,706 words 6,544 views 4.7 stars (9 votes)
Farm-grown by Cris Kane [ ] Spindly teen Nicholas is sent to work on a Texas ranch for the summer. •Muscle Growth •Muscle/Strength •Transformation •Getting Taller Added Aug 2019 2,426 words 10,235 views 4.0 stars (5 votes)
Field agent by BRK [ ] Special agents Adkins and Barber interview a rancher in relation to their current case. There’s something odd about the handsome Latino, though—starting with the fact that he won’t get down off his horse. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Public Nudity •Size Increase •Incest •Twins •Infectious •Centaurs •M/M •M/M/M Added Apr 2020 Updated Nov 2020 2 parts 5,236 words 8,806 views 4.8 stars (17 votes)
52E by BRK [ ] Richie is finally going to get to see his boyfriend in Wales after six months apart. He’s not looking forward to folding his 6-foot-6 frame into a middle seat in the back of coach for the long Transatlantic haul, but Gareth might have discovered something that will make his flight a little easier. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Increased Libido •Gradual Change •Transformation •Getting Hairy •Witch/Warlock/Wizard •M •M/M Added Dec 2021 3,027 words 5,803 views 4.0 stars (6 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 Added Feb 2009 4 parts 9,284 words 29,886 views 4.6 stars (23 votes)
Finding destiny by FanTCMan [ ] Kyle and Derek embark on their quest for muscle, aided by gym owner Mike. •Addiction •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Nonconsensual change •M/M Added Apr 2005 6,537 words 14,113 views 4.7 stars (9 votes)
First costume by Cockatrice [ ] Luke is invited to a special Halloween party, though he does not know yet just how special that party is going to be. •Cockless •Multihead •Wristfeet •Crotchhead •Detachable •Transformation •Body Suit •Human to Inanimate •Mouthcock •Rubber/Latex •Merging •Androids/Cyborgs •Centaurs •Halloween Added Oct 2020 6,359 words 6,894 views 4.9 stars (7 votes)
The flame of the rose by WIP Topping [ ] Brody makes transphobic comments about the new quarterback and is cursed to become a little more...flamboyant. •Cock Shrinking •Transformation •Series Added Sep 2016 10,617 words 10,553 views 3.8 stars (5 votes)
Footlong by weirdboys [ ] Jesse, a gay college student with a major foot fetish, has his ultimate fantasy fulfilled. •Always Hard •Footcock •Transformation Added May 2019 2,547 words 6,947 views
Fountain of life by NaughtyKitchenware [ ] During a hot summer morning, a jogger visits several unusual drinking fountains that will not only change him, but probably also the world. •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Nipple Emissions •Public Orgasm •Extra facial features •Multicock •Multiarm •Multilimb •Multipec •Multitongue •Stacking •Muscle Growth •Pointy Ears •Increased Libido •Transformation •Getting Taller •Giants •Size Increase •Human to Animal/Anthro •Getting Hairy •Tongue Growth •Anthro/Furry •Satyrs •Supernatural Added Jul 2021 3,730 words 7,687 views 4.4 stars (8 votes)
Four for the game by Clearlyhere [ ] Four jocks play a body changing game. •Cock Growth •Cock Shrinking •Huge Cock •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Incest •Brothers •Body Swap Added Feb 2017 2,962 words 19,355 views 4.5 stars (19 votes)
The four jocks by BRK [ ] A game that asks really peculiar questions leads a group of four young jocks through a series of progressively more exciting transformations. •Cock Growth •Huge Cock •Multilimb •Replication •Muscle Growth •Muscle/Strength •Transformation •Series •M/M •M/M/M/... Added Sep 2009 4,470 words 29,803 views 4.8 stars (11 votes)
Frank by Anonymous [ ] A tall but weedy student is an easy target for high school bullies until an accident turns everything around for him. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •t Added Jul 2006 3,753 words 14,956 views 4.3 stars (6 votes)
Frank revisited by Richard Jasper [ ] An update to a classic anonymous story. 16-year-old Frank Wynn is stick thin until a mishap in the backyard shed douses him in every chemical known to gardening and lawn care. His resulting spectacular growth is everything he could have dreamed of! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Age Difference Added Oct 2020 4,445 words 6,466 views
Frat crisis by BRK [ ] Jacob returns to his frat after a week away to find it stinking of sex and full of guys a lot bigger than he remembered them being. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Straight to Gay •Pec Fucking •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Hairy •Nonconsensual change •Infectious •M/M •M/M/M •M/M/M/... Added Jun 2022 3,917 words 7,762 views 4.8 stars (17 votes)
Friends indeed by FanTCMan [ ] When his friend goes to California, a young man realizes he misses him and follows him out there—only to find that the new clime has already changed his friend. •Cock Growth •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Getting Hairy •M/M Added Jul 2002 4,791 words 15,859 views 4.9 stars (10 votes)
From the files of the Magic Misuse Office by BRK [ ] High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Multitorso •Replication •Straight to Gay •Muscle Growth •Increased Libido •Transformation •Social Media •Incest •Twins •Merging •Witch/Warlock/Wizard •M/M •M/M/M Added Sep 2017 Updated Sep 2021 6 parts 20,306 words 16,729 views 4.9 stars (34 votes)
Fuel by BRK [ ] An isolated Wyoming gas station and its lonely proprietor seems to be a nexus for a certain kind of man. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Age Regression •M/M Added Dec 2009 2,273 words 6,478 views 4.5 stars (8 votes)
The fugitive by Cris Kane [ ] One dark and stormy night, a desperate man pays a visit to a shop which he heard can do amazing things. •Huge Cock •Other Mental Changes •Straight to Gay •Transformation •Age Regression •Dom/Sub •Sex-Slave •Mind Control •M/M Added Oct 2019 7,458 words 7,098 views 5.0 stars (6 votes)
Future perfection by Unknown [ ] •Body Swap •Time Travel Added May 2003 3,416 words 13,076 views

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The gaincation by Goldcoaster [ ] Middle-aged Tom decides to take a chance on growing the belly he’s always wanted. It comes with other changes he never could have dreamed of. •Belly Growth •Transformation •Getting Fatter •M/M/M Added Feb 2022 8,865 words 3,376 views 3.8 stars (6 votes)
The gambit by Cockatrice [ ] When buying under the counter from a warlock, one should be careful not to end up there oneself. •Human to Inanimate Added May 2020 1,821 words 2,771 views
Gamble Labs by Moi Auci [ ] A college guy goes looking for his missing special friend, a journey that takes him to an odd sperm donation lab and an unexpected transformation. •Cock Growth •Huge Cock •Human to Cock •Hyper Cock •Transformation •Series Added Mar 2020 2,715 words 7,078 views 5.0 stars (5 votes)
The game by J Reynolds [ ] •Body Swap Added Oct 2004 6,243 words 12,291 views
Gay centaur by Josh Dugan [ ] This centaur is a real-life Mister, not a myth. •Boytaur •Transformation •Centaurs •M/M Added Nov 1996 2 parts 3,598 words 31,263 views 4.5 stars (8 votes)
The gene gene by RdyRoger [ ] When other guys’ spunk transforms you into a totally different, much hotter guy, you learn there are lots of possibilities for fun—if you’re careful. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Handsomer •Size Increase •Race/Ethnicity Change Added Oct 2011 6 parts 32,071 words 60,610 views 4.6 stars (29 votes)
The genie by Jay Gee [ ] •Getting Handsomer •Transformation •Djin/Jinn/Genie •Invisibility Added Apr 2003 1,654 words 14,342 views
Genie world journey by Quick Master [ ] A human man named Nathan discovers a world of genies, oni, and other magical creatures on a quest to recreate the lost world of magic. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Multicock •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Race/Ethnicity Change •Shared Body •Anthro/Scaly •Mermen •Djin/Jinn/Genie •Ghosts •Orcs •Satyrs •Supernatural •Series •M/M •M/M/M •M/M/M/... Added Nov 2021 Updated Dec 2021 9 parts 47,729 words 8,415 views
A genie’s decision by Primed for Release [ ] After accidentally wasting a genie’s first wish, Alex takes his now-naked friend Dale’s advice and decides to make a potentially risky second attempt. •Hyper Cock •Hyper Cum •Muscle Gut •Muscle/Strength •Public Nudity •Getting Handsomer •Transformation •Voice Deepening •Size Increase •Tongue Growth •Djin/Jinn/Genie •M/M •M/M/M Added Mar 2022 2,221 words 5,544 views 4.8 stars (8 votes)
Geno-type by Ziel [ ] While on a camping trip, Tyler makes a half-assed wish on a shooting star. Not only does he get his wish, but it begins to affect those around him as well. Maybe he should have been more specific? An ongoing saga of hyper growth and the weird social situations it results in. •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Infectious •t/t •t/t/t Added Dec 2012 Updated Feb 2016 34 parts 144,288 words 98,155 views 4.3 stars (26 votes)
Getting high on a Tuesday afternoon by Kjarri [ ] I get high, and I have some transformation fun with a neighbor. •Cock Growth •Multicock •Multiarm •Multileg •Multilimb •Stretchy •Transformation •Getting Taller •Size Increase •Cannabis Added Oct 2020 1,202 words 3,681 views 4.1 stars (10 votes)
Giant problems by aquila [ ] Caught up in a science experiment gone wrong, John finds himself at odds with his former boss and employer, leading to some giant problems. •Hyper Cock •Hyper Cum •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence Added Jun 2019 3 parts 7,372 words 11,711 views 5.0 stars (6 votes)
The gift of a Christmas fucking by Tym Greene [ ] A panther decides to give his too-well-endowed horse boyfriend something special for Xmas. •Huge Cock •Transformation •Rubber/Latex •Anthro/Furry •Christmas Added Dec 2020 2,400 words 3,319 views
The good freak by Also Known As [ ] Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Infectious •M/M •M/M/M •M/t •t/t •t/t/t Added Nov 2002 33 parts 33,508 words 44,394 views 4.9 stars (24 votes)
The great pumpkin by screamingmoist [ ] Four young vandals learn that it’s bad luck to destroy jack-o’-lanterns on Halloween. •Public Orgasm •Getting Dumber •Other Mental Changes •Straight to Gay •Butt Growth •Increased Libido •Transformation •Size Decrease •Hairless •Nonconsensual change •Horror •Supernatural •Halloween •M/M/M/... Added Oct 2021 8,028 words 4,829 views 4.7 stars (6 votes)
Green gassy giant growth by JKL [ ] Heyden is out checking on his crops when a strange meteor shoots by, leaving change in its wake. •Cock Growth •Gender Swap •Other Mental Changes •Muscle Growth •Belly Growth •Male Pregnancy •Transformation •Voice Deepening •Giants •Size Increase •Inflation Added Apr 2020 1,494 words 9,282 views 4.4 stars (5 votes)
Grower by Richard Jasper [ ] •Muscle Growth •Muscle/Strength •Gradual Change •Suggestion •NS Added Aug 2002 1,645 words 16,859 views 4.3 stars (7 votes)
Growing boys at UMich by iciss [ ] Those football jocks in the UMIch gym are about to get a whole lot hotter. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Handsomer •Infectious Added Jan 2007 4 parts 7,144 words 37,226 views 4.7 stars (20 votes)
Growing pains by Anonymous [ ] •Cock Growth •Muscle Growth •Muscle/Strength •Infectious Added Jul 2002 4 parts 4,674 words 22,263 views 4.4 stars (5 votes)
Growing relationship by Alakazam1988 [ ] Shortly after finding the love of his life, Connor has these strange shivers now and then. First, he tries to deny everything, but the truth can’t hide for long. Connor’s cock grows with each shiver. Year after year after year. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Gradual Change •M/M Added Nov 2018 4 parts 10,893 words 17,470 views 4.9 stars (16 votes)
The growth race by SomeMediaGuy [ ] John is left growing uncontrollably as he races to be the first person to finish the race, but he may be too large before he reaches the finish. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Public Nudity •Butt Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Nonconsensual change •M Added Aug 2022 3,701 words 6,338 views 4.8 stars (10 votes)
Gym maniac over his head by MuscularEmperor [ ] Alexander discovers that the sweat and sperm of bodybuilders affects his own body, which begins a dangerous and destructive obsession. •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Size Increase •Destruction/Violence •Nonconsensual change •Rape •Infectious Added Jan 2020 3,322 words 12,500 views 3.5 stars (16 votes)
Gym parasite by Aphon [ ] When a failed experimental piece of parasite goop finds itself in a gym, it must spread itself quickly or die. Its means of transmission has some huge side effects, whether you like it or not… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Straight to Gay •Nonconsensual change •Infectious Added Dec 2019 1,711 words 14,582 views 4.5 stars (19 votes)

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Happy little accidents by MainAttraction [ ] Nils gets a special gift from a new friend in French class, but it take him a while to discover just what it can do. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Breast •Muscle/Strength •Increased Libido •Getting Handsomer •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •M/M Added Dec 2020 Updated Feb 2022 3 parts 7,693 words 13,304 views 4.7 stars (22 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 81,627 views 4.5 stars (100 votes)
Hard luck by Eriknl77 [ ] A robbery goes horribly wrong with one man ending up in a permanent position at a museum. •Muscle/Strength •Transformation •Human to Inanimate Added Aug 2018 2,353 words 5,493 views
Hard to hide by BRK [ ] Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Merging •Shared Body •M/M Added Jun 2017 Updated Jul 2019 7 parts 20,225 words 21,227 views 4.8 stars (15 votes)
Hard5 by BRK [ ] Just before his debut as a replacement performer in an up-and-coming boy band, Ian discovers they have a strange backstage ritual with some very unexpected effects. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Multihead •Multiarm •Multipec •Stacking •Hyper Muscle •Muscle Growth •Muscle/Strength •Transformation •Getting Hairy •NS Added Jun 2021 4,124 words 5,123 views 4.6 stars (7 votes)
The head barman by Unknown [ ] •Humiliation •Nonconsensual change •Body Swap Added Apr 2003 1,137 words 8,292 views
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 •M/M Added Jun 2021 Updated Jul 2021 6 parts 38,553 words 23,764 views 4.9 stars (61 votes)
Helping a friend out by TC [ ] Travis, a local bodybuilder, has decided to help a man and his wife become pregnant. The only thing is, Travis has an ability that lets him help in his own, exceedingly alpha-male way. •Human to Cock •Human to Body Part •Hetero Sex •Humiliation •Nonconsensual change •Absorption •Merging Added Feb 2021 1,154 words 6,110 views
Hey, buddy by Dream Big [ ] Ben’s high school crush, Charlie, resurfaces in his life after a mysterious incident at sea left him with a strange tattoo and a propensity for slow, inexplicable growth. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Transformation •Giants •Plausible Size Difference •Size Increase •M/M Added Oct 2019 Updated Aug 2020 15 parts 15,491 words 20,651 views 4.9 stars (23 votes)
Hic sunt dracones by Tym Greene [ ] A college student finds out that his former professor (and current boyfriend) has a bit of a secret. Turns out the student has a secret too, one that will likely spell change for the whole campus. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Human to Animal/Anthro •Age Difference •Anthro/Scaly •Dragons Added Jan 2021 2 parts 15,054 words 5,640 views 4.8 stars (5 votes)
Hidden passages by screamingmoist [ ] A magical book finds its way to a new author. •Cock Growth •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Always Shirtless •Butt Growth •Increased Libido •Getting Handsomer •Transformation •Retcon •Mind Control •M/M Added Apr 2022 5,254 words 5,689 views 4.7 stars (6 votes)
High quality replacement parts (free with trade‑in) by Keyed [ ] Have you always wanted, say, a smaller nose? Somewhere, if you're lucky, in some other world, there might be a version of you who has one, or who has gotten a nose-job. If so, a swapper can help you out. Watch one help an unlucky man in a big way. •Cock Growth •Muscle Growth •Muscle/Strength •Transformation •Body Swap Added Jan 2018 3,669 words 8,553 views 4.8 stars (11 votes)
Hitching by Cris Kane [ ] Tate never stops for hitchhikers, but this guy seems pretty harmless. •Transformation •Nonconsensual change •Body Swap Added Mar 2021 4,015 words 3,207 views
Hollyville by Tereshky [ ] The sleepy town of Hollyville, Alabama finds that strange things are happening to some of its people. It’s one man’s job to find out, but is he prepared for the mystery, suspense, and life-altering changes to come? Are you? •Cock Growth •Huge Balls •Huge Cock •Prehensile Cock •Hyper Cum •Multi-abs •Multiarm •Multilimb •Multipec •Replication •Stacking •Wings •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Tentacle •Horror •M/M Added Nov 2019 Updated Feb 2020 9 parts 43,978 words 18,111 views 4.8 stars (20 votes)
Host User by Double-U [ ] An unexpected package arrives with a strange device inside, and shortly thereafter your asshole roommate starts being really nice to you. Coincidence? •Straight to Gay •Muscle/Strength •Body Swap •Hypnosis •Mind Control Added Nov 2020 1,913 words 3,894 views 4.3 stars (6 votes)
The hotel room by Animus [ ] A stolen pair of undershorts leads unexpectedly to Taylor taking over someone else’s life. •Body Swap •M/M Added Apr 2003 6,960 words 13,099 views 4.5 stars (11 votes)
Huge changes: Book two by RdyRoger [ ] Jason and Todd decide to help Mason, not suspecting that Mason will get an extra helping of wishes, or that Mason’s fantasies of love and growth will start affecting more than just his partners. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase •Getting Hairy •Nonconsensual change •Infectious •Series Added Dec 2017 2 parts 9,859 words 17,416 views 4.9 stars (8 votes)
Hulk hunter by JayPat [ ] Hunter has dedicated his life to tracking and neutralizing the hundreds of huge-growing hulks that have been terrorizing small towns for twenty years now, and he’s damn good at what he does. But when he gets to his latest sighting, he finds things aren’t going the way they usually do. •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Muscle Growth •Muscle/Strength •Transformation •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Series •M/M Added Sep 2018 2 parts 11,052 words 17,532 views 4.6 stars (15 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 •t/t Added Oct 2012 5 parts 29,485 words 84,823 views 4.6 stars (27 votes)
The hulk pill: Contagion by Azerreza [ ] Awakened by his brother Mike, David got the surprise of his life when he discovered that his big brother was now... really big: 8 feet tall and probably several tons of muscle. Unfortunately he did not know more about what had happened to him, so he met his friends at the mall as planned. But during the day, he noticed that his clothes seemed to be getting tighter and tighter, including the new ones he had just bought that morning... David was unknowingly one of the first to be infected with what would quickly become a pandemic. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Increased Libido •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Nanotech •Destruction/Violence •Nonconsensual change •Infectious •M Added Jul 2022 Updated Sep 2022 4 parts 15,648 words 13,557 views 4.8 stars (10 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 25,539 views 4.9 stars (57 votes)
Hunger by PVnRT [ ] A straight man realizes he's gay in the bathroom and that he's been hungry for cock all this time. •Huge Cock •Human to Inanimate •Retcon •Dom/Sub •Humiliation •Nonconsensual change •Mind Control Added Dec 2017 2,069 words 13,767 views 3.8 stars (9 votes)
HUSH by The Gecko Rose [ ] A young man, an Acolyte of cHurch of Universal Scientific Hedonism (HUSH), finally becomes a full Brother, and learns all the secrets of the Brotherhood. Including all their special transforming abilities... •Cock Growth •Hyper Cock •Self-suck •Multi-balls •Stretchy •Detachable •Transformation •Hyper Tongue •Merging •Goo People Added Dec 2018 4 parts 9,806 words 7,707 views 4.8 stars (11 votes)
Hyper puberty by MartinMori427 [ ] In a world where the majority of men undergo an explosive second puberty in their late teens or early twenties, Danny is nearing 22 with no signs of a change in sight. But on his college campus where every man around him is a muscle-bound giant, Danny slowly comes to realize that it’s only a matter of time before a late bloomer like him shows the gods on campus what a real titan looks like. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Multi-balls •Multicock •Hyper Muscle •Muscle Growth •Muscle/Strength •Public Nudity •Man Scent •Increased Libido •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Hyper Pheromones •Infectious •M/M •M/M/M •M/M/M/... Added Jul 2022 8,839 words 10,872 views 4.7 stars (18 votes)
Hypno muscle: jock dreams by Douglas Benjamin [ ] Toby and Liam have picked up a hypnotic audio tape that promises to grow their muscles. When they fall asleep to the hypnotic induction, they have a dream that seems all too real: Suddenly, they have to power to transform each other into big-muscled meatheads, flexing and posing for each other and talking like dumb jocks. Even more transformation is possible, but there is a catch. •Getting Dumber •Hyper Muscle •Muscle Growth •Muscle Theft •Muscle/Strength •Man Scent •Transformation •Getting Taller •Size Decrease •Size Increase •Human to Inanimate •Suggestion •Orcs •Hypnosis •Mind Control •M/M Added Jul 2019 4,333 words 17,082 views

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I always wanted to be a frat rat by Cris Kane [ ] Jacob invents a world-changing raygun. His roommate has some fun with it. •Replication •Butch-to-Fem •Other Mental Changes •Muscle Growth •Getting Handsomer •Transformation •Age Regression •Retcon •Twins •Nonconsensual change •M/M/M •NS Added Sep 2021 Updated Oct 2021 2 parts 4,901 words 5,597 views
I have heard the mermen singing by CentaurQuinn [ ] Will’s cave diving trip goes horribly awry, but is the start of a new life. •Cock Shrinking •Cockless •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Mermen •M/M Added Oct 2020 2,600 words 4,287 views 4.3 stars (9 votes)
If only by BRK [ ] Steve hasn’t noticed yet how the world shifts a little every time he says "if only”. That’s okay. •Huge Cock •Multicock •Replication •Transformation •Suggestion •Triplets •M/M Added Mar 2006 2,591 words 17,429 views 4.4 stars (17 votes)
In the sack by Neltharion5 [ ] Brian finds a magical backpack that uses magazines as fuel to transform him. Soon, he realizes that his enhancements are sexually contagious, making his sex partners hotter. What else will he discover about the magic sack? •Huge Cock •Muscle Growth •Muscle/Strength •Infectious Added Mar 2017 3,526 words 12,109 views 4.5 stars (8 votes)
Incubus by CentaurQuinn [ ] Ken discovers his friend with benefits is more than he seems, and might be a solution to a problem at work. •Cock Growth •Wings •Hyper Muscle •Muscle Growth •Transformation •Getting Taller •Inflation •Infectious •Incubus/Succubus •Supernatural •Immortality •Shapeshifting •M/M Added Oct 2020 2,534 words 9,336 views 4.8 stars (33 votes)
Incubus garage by Quick Master [ ] An incubus of the lower realms aims to corrupt all of the men working at a greasy local garage into incubi. •Cock Growth •Huge Balls •Huge Cock •Nipple Emissions •Multicock •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tongue Growth •Hyper Pheromones •Infectious •Demons •Incubus/Succubus •Supernatural •M/M •M/M/M •M/M/M/... Added Dec 2021 Updated Jan 2022 3 parts 15,288 words 9,500 views
Induced transformation: a brief history by BRK [ ] A father explains to his son that back in his day, they didn’t have any of these fancy-schmancy apps with built-in retcon. Back then, if you changed someone, they changed, and everyone had to just suck it up and deal with it. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Replication •Muscle Growth •Age Regression •App •Retcon •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Infectious •All Dialog •M/M •M/M/M/... Added Jun 2020 2,248 words 9,460 views 4.9 stars (16 votes)
The Interview by MutaBear [ ] A college-aged jock decides to go for an interview that offers high pay with no real qualifications. What's the worst that could happen? •Huge Cock •Human to Cock •Hyper Cock •Transformation •Nonconsensual change •Restraints Added Jan 2020 Updated Feb 2020 2,753 words 9,157 views 4.0 stars (10 votes)
Interview with the King of Dust by Betonhaus [ ] Jason Ramstaff, also known as the King of Dust, explains the strange growth effects of the extraterrestrial substance known as Dust—complete with a demonstration of exactly how he passes its effects on to others. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase •Nanotech •Dom/Sub •Infectious Added Feb 2021 3,267 words 5,066 views
It does a body good by screamingmoist [ ] An EMT is exposed to a strange chemical and sucked into a world he never knew existed. •Cock Growth •Cum Milking •Hyper Muscle •Muscle Growth •Transformation •Getting Hairy •M/M Added Oct 2021 3,972 words 7,237 views 4.8 stars (9 votes)
It was here by Alex Anders [ ] A young man realizes his greatest desire with a little help from his boyfriend and some magic. •Human to Cock •Transformation •Human to Inanimate •Dom/Sub •M/M Added Feb 2022 607 words 2,945 views
It’s going to be okay by Lt. Mac [ ] A short tale of a firefight in Vietnam and its consequences. •Destruction/Violence •Body Swap Added Apr 2003 1,614 words 10,301 views
It’s magic by TylerGermany [ ] •Transformation •Infectious Added Apr 2014 2 parts 2,094 words 10,977 views
The Ixlutani by Lloyd Irving [ ] Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Cock •Straight to Gay •Muscle Theft •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Bisexual •Hetero Sex •Supernatural Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 15,904 views 4.9 stars (22 votes)

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Jacob and Dameian by Honkycat [ ] On a night out in Dallas, Dameian meets Jacob, who decides to use his body-twisting abilities to show Dameian a good time. •Stretchy •Transformation •M/M Added May 2002 2 parts 4,388 words 10,693 views
Jake: hand-drawn giant by spacevlad [ ] Drawing massive, muscle-hunk football stars seems like a safe enough hobby—but what if your drawing takes on a life of its own? •Huge Cock •Muscle Gut •Muscle/Strength •Size Increase •Infectious Added Sep 2009 7 parts 11,792 words 29,496 views 4.7 stars (7 votes)
Jessie’s girls by Richard Jasper [ ] Three young men—Jessie, Henry, and Frank—have known each other since they were five years old, when their respective families each wound up moving to Magnolia Terrace at roughly the same time. Jessie was the jock, Henry was the brainiac, Frank the artsy one. This is the story of how they grew up together (and boy howdy did they grow!). •Muscle Growth •Muscle/Strength •Gradual Change Added May 2020 7 parts 6,213 words 2,642 views
Jizzer by Ziel [ ] Ethan drags his roommate Walt off to the woods on the outskirts of town to search for their mutual friend. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Giants •Size Increase •Infectious •Horror •M/M Added Oct 2021 2,426 words 8,112 views 4.3 stars (8 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 Added Feb 2021 4,818 words 20,985 views 4.6 stars (24 votes)
Jock Pussy Syndrome Information Video #1 by SC Walker [ ] A video that details the symptoms and treatment for the mysterious new disease affecting athletic men: Jock Pussy Syndrome. •Straight to Gay •Muscle Growth •Transformation •Bodily Fluids Added Oct 2020 1,728 words 5,770 views 5.0 stars (14 votes)
John the wizard by RdyRoger [ ] John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Handsomer •Gradual Change •Getting Taller •Size Increase •Getting Hairy •Suggestion •Witch/Warlock/Wizard Added Dec 2017 Updated Sep 2019 7 parts 24,468 words 35,390 views 4.5 stars (20 votes)
Johnny Pecs by BRK [ ] Unexpectedly inheriting part of an island estate off the coast of Maine, Kent travels there to assess his options. On arriving in Glen Rush, he meets the young caretaker—a handsome stunner who’s acquired, with some justification, the nickname “Johnny Pecs”. •Cock Growth •Huge Cock •Muscle/Strength •Transformation Added Sep 2017 2 parts 7,175 words 14,215 views 4.7 stars (14 votes)
Jonathan’s journey by Richard Jasper [ ] Join Jonathan and his best friend Todd on their four-year journey from geeky 14-year-olds to veritable mountains of mind-blowing muscle! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase Added May 2020 13 parts 13,301 words 6,205 views 4.7 stars (7 votes)
Josh and Yacob by Joshua [ ] A young man falls in love with a jinn. •Cock Growth •Transformation •Absorption •Djin/Jinn/Genie •Supernatural Added Aug 2020 3,170 words 4,570 views
The journal by Braun1 [ ] An ordinary college guy finds himself changing after a steamy encounter with a hunk named Brad, and decides to start documenting everything that’s happening to him. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Infectious Added Feb 2003 11 parts 30,474 words 24,542 views 4.9 stars (13 votes)
Journaled by Alex Anders [ ] The town’s dark secret claims yet another victim... but there’s always the one that got away •Transformation •Human to Inanimate •Nonconsensual change •Mind Control •Series •M/M Added Aug 2022 1,170 words 975 views
Jungle bar jingle bells by Tym Greene [ ] Sometime in the fifties, in a dive bar by the Pacific Ocean, a couple’a fellas provide Santa with an extra helpful hand. •Transformation •Human to Animal/Anthro •Anthro/Furry •Christmas Added Jan 2021 5,522 words 1,883 views
Just 25 cents by Tym Greene [ ] A chubby greaser is having a rotten day. Luckily he runs across a mysterious prize dispenser that only costs a quarter to use…” •Wristfeet •Transformation •Human to Animal/Anthro •Metabods 25 •NS Added Jan 2022 2,871 words 1,800 views
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 •Transformation •Getting Taller •Bisexual •Hetero Sex •M/F •M/M •M/M/F Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 26,740 views 4.7 stars (16 votes)
Just right by Cockatrice [ ] When you’re fated to become an object, you want to make sure your future owner is just right. •Human to Inanimate Added Feb 2021 4,787 words 2,555 views

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Karma pills by Musiker [ ] Steve has been bullying the other members of Matt's Gym for ten years. When Matt gives Steve a new kind of muscle-enhancing pill, he conveniently forgets to mention some significant side effects. •Cock Growth •Cock Shrinking •Cockless •Huge Balls •Huge Cock •Hyper Cum •Getting Dumber •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Hyper Anus •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Bodily Fluids •Anthro/Furry •Mind Control •M/M •M/M/M Added Jun 2019 Updated Jul 2019 5 parts 24,186 words 26,305 views 3.8 stars (18 votes)
Keep your promises by NaughtyKitchenware [ ] A rock band has risen to fame overnight, although not through conventional means. When the lead singer decides to not uphold their promise to the mysterious person responsible, things start to go out of control on the night of their big concert. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Human to Cock •Cock Body •Hyper Cock •Nipcocks •Self-suck •Always Cumming •Hyper Cum •Nipple Emissions •Public Orgasm •Multi-balls •Multicock •Multiarm •Multilimb •Multipec •Stacking •Wings •Hyper Muscle •Muscle Breast •Muscle Growth •Public Nudity •Pointy Ears •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tailcock •Nonconsensual change •Merging •Anthro/Furry •Anthro/Scaly •Dragons •Demons •Satyrs •Supernatural •Flying •Alcohol •M/M •M/M/M/... Added Sep 2021 7,703 words 8,096 views 4.5 stars (6 votes)
Kenji by Dream Big [ ] The new stock guy at work, Kenji, is Sam’s pure fantasy—cute, tall, muscled, cheeky, and packing—and Kenji seems just as appreciative. There’s a secret about how Kenji got that way, though, which Sam accidentally discovers the hard way. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Race/Ethnicity Change •Nanotech •M/M Added Feb 2019 Updated Mar 2019 6 parts 19,034 words 20,522 views 4.9 stars (15 votes)
Kept boy by Richard Jasper [ ] Philanthropist Jason is wealthy, handsome, and built like a brick outhouse. Eddy is a handsome lad newly arrived from East Buddha. They meet at the Y and the rest is muscle growth history! •Huge Cock •Pec Fucking •Muscle Growth •Muscle/Strength •Gradual Change •Age Difference Added May 2020 5 parts 6,266 words 3,045 views
The kiss by Sean Innicioni [ ] A game of truth or dare leads Sean to discover his ability to shape the bodies of himself and whomever he kisses. •Multicock •Multiarm •Multilimb •Multipec •Stacking •Hermaphrodite •Body Swap Added May 2011 2 parts 2,578 words 13,756 views
Knot your average wolf by Bryan [ ] Two friends take a shortcut home but are interrupted by a ferocious beast. Brandon is face to face with the wolf and has to take something home with him that will change his life forever. •Transformation •Humiliation •Werewolves Added Nov 2019 2,132 words 5,337 views 4.5 stars (6 votes)
Koruna's kiss by BRK [ ] Clem knows his birthmark sets him apart from the rest of the tribe, but it’s not until he starts his 25th year that he finds out why. •Cock Growth •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Gradual Change •Transformation •Getting Taller •Size Increase •Destruction/Violence •Supernatural •Metabods 25 •M/M Added Aug 2022 3,196 words 2,055 views
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 24,500 views 4.8 stars (26 votes)

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A lamppost on Wisteria Lane by Wersgor [ ] A short Desperate Housewives fanfic, featuring Andrew van de Kamp and Justin. •Transformation •Human to Inanimate •Sex-Slave •Supernatural •Mind Control Added Jun 2005 2,326 words 8,910 views
Landfall by BRK [ ] When the mighty starship Q.S.S. Knox is destroyed falling through a suddenly created wormhole, its portable A.I. finds himself marooned on an alien world with the one man he can't stop thinking about. •Cock Growth •Huge Cock •Extra digits •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Christmas Added Dec 2019 3 parts 11,815 words 4,980 views
The last resort by Cris Kane [ ] Wayne persuades his ailing partner Mac to travel to a mysterious health resort for one final trip. •Muscle Growth •Muscle/Strength •Transformation •Age Regression •M/M Added Apr 2021 6,316 words 3,292 views
The Latin twins by RdyRoger [ ] A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Race/Ethnicity Change •Suggestion •Incest •Brothers •Dom/Sub Added Apr 2012 2 parts 7,238 words 37,981 views 4.7 stars (9 votes)
Leg transformation by Andrew James [ ] A horny guy with a prosthetic leg wonders what it would be like if his stump were turned into a huge cock. Much to his shock and delight, he gets to find out. •Huge Cock •Amputation •Transformation Added Jan 2018 1,299 words 6,075 views 4.6 stars (5 votes)
Let’s make a bet by Seth Peterson [ ] My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend! •Butch-to-Fem •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Dom/Sub Added May 2019 3 parts 10,394 words 16,580 views 4.2 stars (9 votes)
Life of Tre by TreborNawoc [ ] Tre has a wild body with lots of extras, which gets him a lot of attention—especially from his boyfriend, Ky. •Huge Cock •Hyper Cock •Prehensile Cock •Public Orgasm •Extra facial features •Extra Mouths •Multi-abs •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Six Legs •Multipec •Multitongue •Stretchy •Transformation •Hyper Tongue •Tongue Growth •Series •M/M Added Jun 2021 Updated May 2022 5 parts 8,493 words 5,789 views 5.0 stars (187 votes)
Like summer rain by Cockatrice [ ] Andrew and Clement are in a happy relationship, until Clement meets Andrew’s friends… •Human to Cock •Transformation •Merging •M/M Added Jul 2022 6,392 words 1,392 views
Li’l Dude by Richard Jasper [ ] Robert is a geeky college freshman, totally smitten with his “senior buddy,” a big, built, blond, hunky California surfer dude named Chris, who dubs him “Li’l Dude.” Ridiculous muscle growth ensues (as usual!). •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase Added May 2020 10 parts 10,503 words 6,192 views 4.3 stars (6 votes)
Little plant of horrors by PiggiestJ [ ] Morris’s life was rather dull until he came across a small plant to take care of. Little did he know the shenanigans the little thing would bring. •Hyper Cum •Transformation •Plants •Nonconsensual change •Supernatural •Halloween Added Sep 2020 Updated Oct 2020 2 parts 5,330 words 5,778 views 4.8 stars (12 votes)
Livin la vida loca by Onix [ ] I wasn’t always like this… but Steve—I mean my Master says I won’t be able to remember any of that in a little while. •Getting Dumber •Straight to Gay •Race/Ethnicity Change •Nonconsensual change •Sex-Slave •Hypnosis •Mind Control •M/M Added Apr 2003 9,347 words 14,255 views 4.4 stars (5 votes)
Lockdown gym by BRK [ ] When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. •Always Hard •Cock Growth •Huge Cock •Replication •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Getting Handsomer •Gradual Change •Getting Taller •Age Difference •Incest •Brothers •Twins •Set during the Pandemic •M/M •M/M/M/... Added Apr 2021 3,110 words 10,049 views 4.7 stars (16 votes)
The long slow road to hugeness by Richard Jasper [ ] Kevin Foxworth starts lifting at 16 with your basic Weider barbell set. Despite his best efforts, he never gains more (or less) than 10 lbs. of muscle per year. More than 20 years later, he’s still at it. Do the math! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change Added Aug 2020 6 parts 6,802 words 3,398 views
A love letter by Seth Peterson [ ] A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! •Straight to Gay •Belly Growth •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Getting Fatter Added May 2020 20,430 words 5,739 views 4.5 stars (6 votes)
Love/shift by BRK [ ] Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. •Muscle Growth •Muscle/Strength •Always Shirtless •Man Scent •Gradual Change •Transformation •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Werebears •Supernatural •Series •M/M Added Dec 2017 Updated Apr 2019 11 parts 68,079 words 39,413 views 4.8 stars (35 votes)

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Magic hands by Anonymous [ ] Masseur Julian returns to work following physiotherapy required after a car crash. It seems the treatment may have done more than heal his hands… •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •M/M Added Aug 2009 5 parts 5,138 words 17,130 views 4.6 stars (10 votes)
Magic punchbowl by Mango Deville [ ] •Cock Growth •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Age Regression Added Aug 2003 3,143 words 11,183 views
Make the fur fly by LordTronimator [ ] After a boy buys a custom-made fursuit based off his fursona and puts it on, his body begins to experience strange changes that only he seems to notice. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Public Nudity •Gradual Change •Transformation •Human to Animal/Anthro •Retcon •Nonconsensual change •Anthro/Furry •M •M/M Added Aug 2020 Updated Nov 2021 14 parts 22,359 words 23,865 views 4.9 stars (37 votes)
Making contact by StevePwrBear [ ] •Hyper Cum •Muscle/Strength •Increased Libido •Transformation •First Time/Virgin Added Mar 2004 3,633 words 10,655 views
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 55,240 views 4.0 stars (15 votes)
A mann’s face by D. B. Hammond [ ] •Body Swap Added Apr 2003 1,921 words 11,680 views
Maple Bar by Tym Greene [ ] Three friends go to a new bar in town, but as they drink they change, and as they change they drink, and soon they exchange Old Glory for l’Unifolié as their humanity becomes a little more…animalistic. Not that any of them notice anything… •Huge Cock •Muscle Growth •Transformation •Human to Animal/Anthro •Anthro/Furry •Anthro/Scaly •M/M •M/M/M/... Added Dec 2021 3,792 words 2,570 views
Mariposa Halloween by Cris Kane [ ] Lance brings a special surprise before he and his friends head out to West Hollywood for the Halloween block party. •Huge Cock •Muscle Growth •Increased Libido •Transformation •Getting Hairy •Werewolves •Supernatural •Halloween •Series •M/M/M/... Added Nov 2021 2 parts 8,551 words 4,351 views 4.2 stars (5 votes)
Mariposa honeymoon: A six-pack story by Cris Kane [ ] Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. •Cock Growth •Cock Shrinking •Huge Cock •Getting Dumber •Other Mental Changes •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Increased Libido •Size Decrease •Size Increase •Age Regression •Race/Ethnicity Change •Getting Hairy •Witch/Warlock/Wizard •Series •M/M •M/M/M/... Added Dec 2018 Updated Feb 2019 19 parts 105,833 words 17,460 views 4.6 stars (12 votes)
A marriage of equals by BRK [ ] Tobias claims his family won’t let him marry Nick unless he converts to being a boytaur like Tobias. Nick doesn’t quite believe him, but being a boytaur does have its appeal… •Multicock •Boytaur •Four Legs •Multileg •Multilimb •Muscle Growth •Transformation •Centaurs •M/M Added Jun 2020 2,001 words 3,090 views
Mascotting by Tym Greene [ ] Cedar, mascot for the Magic-Maker Mascots company, recruits a room full of guys to be the next generation of audience-enthusers. •Other Mental Changes •Muscle/Strength •Public Nudity •Belly Growth •Transformation •Twins •Anthro/Furry Added Aug 2021 5,297 words 2,728 views
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 285,522 views 4.6 stars (74 votes)
Meat by Mikeytron [