BRK

Increased Libido

Stories involving a significant increase in the need for sex.

Child of: Other Physical Changes. Related: Belly Growth; Breast Expansion; Butt Growth; Detachable; Feeding; Foot Growth; Getting Handsomer; Gradual Change; Male Pregnancy; Transformation; Voice Deepening.

Tag Group: Manliness.

Top Stories: “Justin (the bigger the better)”; “The dudes”; “Changing Nick”; “An unexpected inflation”; “The salt”; “Second puberty”; “One hot summer”; “The alpha touch”; “Enlargement”; “His cock gets huge”.

Recently Updated: “The hulk pill: Contagion 2”; “#bigdickproblems”; “Project Cerulean MX: Aaron's story”; “An unexpected inflation”; “The real you”; “A little somethin'”; “MG Project: Test Subject #5”; “Cave of worshippers”; “Casey’s mancock”; “A Tale of Two Brothers: Donnie & Marco”; “The pump”; “12 days of Growthmas”; “The alpha touch”; “Mountainheart”; “The cum fairy”.

125 stories found. Total word count: 2,504,546.

A

The alpha touch by Caliburn [ ] Young engineer Max has a good deed rewarded with a mysterious rune now tattooed to his wrist. Bestowed with the power to change the body of the men he touches, Max’s life and his friends’ change quite a bit. •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Suggestion •Hetero Sex •Dom/Sub •Nonconsensual change •Series •M/F •M/M Added Jan 2022 Updated Dec 2022 12 parts 50,362 words 60,343 views 4.9 stars (189 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 6,315 words 14,148 views 4.4 stars (9 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 4,433 views 4.5 stars (6 votes)

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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 10,197 views 4.9 stars (20 votes)
#bigdickproblems by BRK [ ] Dante is having a problem with his dick not wanting to stay hidden, and the more he tries to do about it the worse it gets. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Increased Libido •Nonconsensual change •M Added Feb 2023 3,790 words 1,922 views 4.6 stars (5 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 41,733 views 4.4 stars (7 votes)
Birthday bonus by john smith [ ] In a world where magic is real, Jeremy's enchanted birthday gifts are put to immediate use. •Cock Growth •Huge Cock •Straight to Gay •Increased Libido •First Time/Virgin •t/t Added Jan 2006 4,359 words 23,108 views 5.0 stars (9 votes)
Bloody pumpkin fuckers by NioSatyr [ ] Three frat bros go into the dark forest on Halloween. The blood moon shining on a wild pumpkin patch promises growth and transformation. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Nipcocks •Prehensile Cock •Hyper Cum •Nipple Emissions •Multi-balls •Multicock •Multiarm •Multipec •Stacking •Wings •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Breast •Muscle Growth •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Tailcock •Plants •Anthro/Furry •Dragons •Werewolves •Supernatural •Halloween •M/M/M Added Oct 2021 7,196 words 12,872 views 4.8 stars (11 votes)
Blooming season by brazboy [ ] Heitor is a member of a sexual minority looking for an accommodating place in which to live downtown—hard to do on a budget. Thankfully, Samuel is looking for someone to share the bills with, and is also a member of a different sexual minority which has its own set of challenges. Living together will prove to be more engaging than either of them had in mind. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle/Strength •Increased Libido •Getting Fatter •First Time/Virgin •Hyper Pheromones •Series •M/M Added Oct 2021 8,442 words 5,983 views 4.6 stars (10 votes)
Bottoms up by Ziel [ ] Chess, a haute and hung twink, is too proud and too big to bottom which is a shame given how nice his ass is! But things change when he visits a trendy new club for his birthday. •Cock Shrinking •Huge Cock •Increased Libido •Humiliation •Nonconsensual change •Alcohol Added Jul 2021 7,092 words 7,969 views

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Cadence by BRK [ ] Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Witch/Warlock/Wizard •Immortality •Ancient Era •M/M Added Nov 2016 Updated Mar 2019 6 parts 30,727 words 19,165 views 4.6 stars (14 votes)
Carlos Bunda and the billion-dollar dildo by brazboy [ ] Carlos Bunda is Brazil’s number 1 secret agent, and is about to embark on a tense mission: rescuing the last of the four billion-dollar dildos which were lost after the fall of the Soviet Union. The task to retrieve this invaluable weapon sends him to Paris where he encounters Julien Monet, a former member of the French communist party who wants the power of the dildo for himself, not to mention the “bears”—a trio of Russian assassins desperate to recover their national secret weapon. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Increase •M/M •M/M/M Added Dec 2021 2 parts 9,240 words 4,215 views 4.8 stars (9 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 Jan 2023 11 parts 38,144 words 25,669 views 5.0 stars (52 votes)
Cave of worshippers by SomeMuscleGuy [ ] After a strange workout session with his friend Ben, Mike wakes up restrained in a cave, surrounded by cultists who want to make him their muscle god. •Always Hard •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Worship •Butt Growth •Increased Libido •Foot Growth •Transformation •Voice Deepening •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Restraints •Absorption •Complete •M/M Added Jan 2023 8,219 words 5,916 views 4.3 stars (7 votes)
Cave on the Moon by brazboy [ ] First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever… •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Destruction/Violence •Nonconsensual change •Aliens •Androids/Cyborgs •Space Travel •M •M/M •M/M/M Added Nov 2021 3 parts 9,726 words 9,729 views 4.3 stars (11 votes)
Changing Nick by BRK [ ] Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies. •Always Hard •Cock Growth •Huge Cock •Nipcocks •Multi-abs •Multicock •Multihead •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Multitorso •Replication •Stacking •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Handsomer •Getting Taller •Size Increase •Tongue Growth •App •Retcon •Nonconsensual change •Merging •Witch/Warlock/Wizard •Invisibility •M/M •M/M/M •M/M/M/... Added May 2013 Updated Jul 2022 18 parts 69,664 words 107,886 views 4.7 stars (38 votes)
Check this mate by brazboy [ ] Pedro loves drinking mate tea, so when he finds the products of a fancy-looking new brand for sale in his local supermarket he decides to buy two packages. As soon as he arrives home, he makes himself some chimarrão which, as always, he offers to his handsome boyfriend Alexandre. The strong and addictive flavor enchants both of them, but that’s not the end of their surprises… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Getting Taller •Giants •Size Increase •Tongue Growth •M/M Added Mar 2022 Updated Apr 2022 2 parts 8,935 words 10,898 views 4.6 stars (8 votes)
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 24,169 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 24,087 views 4.7 stars (18 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 6,987 views 4.8 stars (13 votes)
Cody and Todd by klj [ ] Little green pills lead to roommate fun. •Cock Growth •Huge Cock •Cum inflation •Straight to Gay •Increased Libido •M/M Added Jun 2005 2,654 words 17,820 views 5.0 stars (7 votes)
Coffee coffee by NBCK99 [ ] The employees at the campus’s hottest coffee shop seem to be getting sexier… and so are the customers. •Always Hard •Cock Growth •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Size Increase Added Dec 2010 2 parts 5,251 words 33,011 views 4.7 stars (30 votes)
Company guys by FanTCMan [ ] You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. •Cock Growth •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Hairy •Age Difference •Incest •Father/Son Added Dec 2002 2 parts 7,919 words 33,547 views 4.6 stars (11 votes)
Controlling Shayne's body by Ballmeat [ ] My roommate Jack suddenly got an app that controls my body, and milked me of every drop of my cum by giving me the longest and most intense orgasm of my life. And it looks like this is just the beginning, and he intends to change my body in even more ways to come! •Always Hard •Cock Shrinking •Hyper Cum •Increased Libido •App •Humiliation •Nonconsensual change •M/M Added Nov 2022 Updated Dec 2022 2 parts 4,810 words 4,858 views 4.8 stars (18 votes)
The cum fairy by brazboy [ ] There are many mysteries under the sun, most of which will never be resolved—but a few can. Why do men always wake up hard? Why do they usually stop having wet dreams after a certain age? Why do some men snore, and others seem to drool in their sleep? The answer to all these questions is the cum fairy, a magical being which steals your nightly orgasms and gives you a small reward in exchange. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Public Nudity •Increased Libido •Getting Taller •Plausible Size Difference •Size Increase •Incest •Brothers •Supernatural •Flying •Invisibility •Complete •M/M Added Nov 2022 Updated Dec 2022 12 parts 35,338 words 10,884 views 4.7 stars (21 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 19,041 views 4.3 stars (7 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 •Complete Added Sep 2021 1,456 words 9,276 views 4.7 stars (22 votes)

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Daemos island by Charles Westfall [ ] A Polish scientist and explorer, Ferdinand Rolcek, discovers a hidden island where the lost secrets of the Daemos, alien pioneers of masculine beauty and sexuality far beyond anything known to humanity, are finally revealed to him; and what he learns makes him never want to leave again. Don’t worry, he won’t be lonely. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Age Difference •Incest •Father/Son •Twins •Destruction/Violence •M/t Added Feb 2003 6 parts 14,639 words 29,151 views 3.2 stars (20 votes)
Death and rebirth by NioSatyr [ ] 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 8,955 views 4.4 stars (7 votes)
Dickville by OneLuckyGuy89 [ ] Rodney Finnegan and his four boys arrive in a Florida marshland town named Dickville. And it doesn’t take them long to figure out how it got that name. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Incest •Brothers •Father/Son •M/M •t/t Added Apr 2022 2 parts 5,446 words 10,268 views 4.5 stars (13 votes)
Drawn together by Johnny29 [ ] Mike and John were instantly compatible as friends, lovers, and workout buddies, especially since both yearned for superhero-like bodies. Good thing the mysterious offer to help them achieve their dreams came to both of them together. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Size Increase •Hairless •M/M Added Sep 2012 7 parts 13,924 words 28,263 views 5.0 stars (33 votes)
The dudes by BRK [ ] The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Public Orgasm •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Plausible Size Difference •Size Increase •Tongue Growth •Retcon •Suggestion •Brothers •Hyper Pheromones •t/t •t/t/t •t/t/t... Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 117,841 views 4.7 stars (44 votes)

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Easy cum, easy go by Noam de Pluma and Kuro [ ] Norman Aster is working his regular shift at the restaurant when a mysterious stranger walks in and changes his life forever… except his life has always been that way, right? Right? •Always Hard •Cock Growth •Huge Balls •Huge Cock •Always Cumming •Hyper Cum •Public Orgasm •Gender Swap •Other Mental Changes •Straight to Gay •Muscle Growth •Always Shirtless •Increased Libido •Getting Taller •Size Increase •Retcon •Suggestion •Bisexual •Humiliation •Sex-Slave •Hyper Pheromones •M/F •M/M •M/M/M Added Apr 2022 3 parts 21,914 words 8,184 views 4.1 stars (7 votes)
Enlargement by Boston Guy [ ] A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Transformation •Size Increase •Nanotech •Nonconsensual change •Infectious •Hyper Anus Added May 2013 Updated Jun 2013 5 parts 14,943 words 53,958 views 4.6 stars (27 votes)
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 36,524 words 16,305 views 4.9 stars (16 votes)

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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 •Complete •M •M/M Added Dec 2021 3,027 words 6,321 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 30,822 views 4.6 stars (23 votes)
Fountain of life by NioSatyr [ ] During a hot summer morning, a jogger visits several unusual drinking fountains that will not only change him, but probably also the world. •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 8,670 views 4.4 stars (8 votes)
The four jocks: Adversaries by BRK [ ] The Game takes a darker turn when two pairs of antagonistic athletes challenge each other in a deserted room on Halloween night. •Always Hard •Cock Growth •Huge Cock •Multicock •Other Mental Changes •Straight to Gay •Muscle Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Decrease •Size Increase •Halloween •Complete •Series •M/M Added Oct 2022 2 parts 8,546 words 3,760 views 4.5 stars (6 votes)
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 •Complete •M/M •M/M/M •M/M/M/... Added Jun 2022 3,917 words 9,977 views 4.8 stars (19 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 16,386 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 17,294 views 4.9 stars (34 votes)

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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 5,489 views 4.7 stars (6 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 14,257 views 4.6 stars (24 votes)
Heavy quarantine by Portowulf [ ] Boyfriends Vincent and Coy ride out the quarantine together, for extended time. •Cock Growth •Hyper Cum •Muscle Growth •Belly Growth •Increased Libido •Getting Fatter •Inflation •Complete •Set during the Pandemic Added Apr 2020 2,778 words 10,012 views 4.7 stars (9 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 6,738 views 4.6 stars (7 votes)
His cock gets huge by Jack Hardwood [ ] Male model Pietro washes up on a remote island inhabited by a society of men where everyone wants their cock to be as big and fat as humanly possible. Pietro just wants to go home, but his almost constant boner is getting bigger and bigger, and he doesn’t know how much longer he’ll be able to walk. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Increased Libido •M/M Added Dec 2017 Updated Apr 2018 8 parts 14,650 words 47,338 views 4.7 stars (30 votes)
The hulk pill: Contagion 2 by Azerreza [ ] Having just been beaten up by his usual bully, Matt thought that this day couldn’t have started any worse. Especially since he had to meet his buddies, David and Ben at the mall. But he had absolutely no idea that this day would change everything and that, on the contrary, it would be the best day of his life... •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Size Increase •Nanotech •Destruction/Violence •Infectious •Series •t/t Added Jan 2023 Updated Feb 2023 6 parts 23,223 words 3,402 views
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 •Series •M Added Jul 2022 Updated Sep 2022 4 parts 15,648 words 16,704 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 26,937 views 4.9 stars (57 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 13,670 views 4.6 stars (19 votes)

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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 10,539 views
The institute by FanTCMan [ ] Two intrepid newsmen get a little too close to the story. •Cock Growth •Getting Dumber •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Getting Hairy Added Dec 2002 2,641 words 13,715 views 4.2 stars (6 votes)
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 •M/F •M/M Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 17,548 views 4.9 stars (22 votes)

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Jaselove by BRK [ ] Hot young celeb Jase attends a secret surprise Halloween midnight appearance at popup concert, only to find that there’s something eerie going on—and his fans are even more obsessively devoted than usual. •Huge Cock •Public Orgasm •Extra digits •Multicock •Multiarm •Multileg •Increased Libido •Detachable •Nonconsensual change •Halloween •Complete •M/M •M/M/M/... Added Oct 2021 4,851 words 2,695 views
Jolias and Max: The cock rings by Azerreza and Madmutter [ ] When Jolias ordered what he thought a simple sex toy for him and his boyfriend Max, just for fun, he had no clue that this ring had many more features and that it would change their lives… •Cock Growth •Public Orgasm •Muscle Growth •Increased Libido •App •Series •M/M Added Sep 2021 Updated Dec 2021 3 parts 17,198 words 13,686 views 4.4 stars (11 votes)
Just a little bigger by Dream Big [ ] Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Breast Expansion •Gradual Change •Transformation •Getting Taller •Bisexual •Hetero Sex •M/F •M/M •M/M/F Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 28,259 views 4.7 stars (16 votes)
Justin (the bigger the better) by Giant Worshipper [ ] A young man starts growing, and growing. He finds he likes it a lot. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Hyper Strength •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Getting Taller •Giants •Size Increase •First Time/Virgin Added Nov 2009 15 parts 99,090 words 392,063 views 4.4 stars (89 votes)

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Keep your promises by NioSatyr [ ] A rock band has risen to fame overnight, although not through conventional means. When the lead singer decides to not uphold their promise to the mysterious person responsible, things start to go out of control on the night of their big concert. •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 9,298 views 4.5 stars (6 votes)

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A legal contract for services to be rendered by BRK [ ] The responsibilities of the undersigned assistant shall begin with, but not be limited to, the carrying around of the employer’s gigantic cock. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Muscle Growth •Public Nudity •Increased Libido •Getting Taller •Size Increase •Complete •M/M Added Aug 2021 1,337 words 5,465 views 4.5 stars (8 votes)
A little somethin' by MegaMaker [ ] After two longtime friends spend the day at the beach, Davey can't help but notice how muscular his buddy Sam has gotten. When Davey asks about it, Sam’s reactions are more than a little unexpected. •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Butt Growth •Increased Libido •Gradual Change •Size Increase •Complete •M/M Added Jan 2023 2 parts 6,908 words 5,077 views 4.3 stars (6 votes)
Lycan-cock by Harvey Church [ ] After a late night drinking, Luka wakes up with a strange bite mark. He doesn’t think much of it until the moon comes out to awaken the beastly urges dwelling inside of him. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Self-suck •Cum Milking •Hyper Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Increased Libido •Transformation •Plausible Size Difference •Size Increase •Anthro/Furry •Werewolves •Halloween •M/M Added Oct 2022 4,605 words 4,916 views 4.9 stars (26 votes)

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The magic of science by Ultra GMan [ ] When Todd found out that men used to go into sexual heat, it was only minutes before he had Josh whip up a spell so that he could experience that first-hand. •Cock Growth •Huge Balls •Muscle Growth •Increased Libido •M/M Added May 2022 1,880 words 4,680 views 4.8 stars (11 votes)
Making contact by StevePwrBear [ ] •Hyper Cum •Muscle/Strength •Increased Libido •Transformation •First Time/Virgin Added Mar 2004 3,633 words 10,953 views
The Mann Agency by Also Known As [ ] Need a handyman? Someone to scrub your pool or clean your windows or fix a squeaky door? The Mann Agency and its specially trained agents are at your service. •Cock Growth •Huge Cock •Nipple Emissions •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •M/M •M/M/M Added Oct 2021 Updated Apr 2022 3 parts 25,951 words 12,483 views 4.8 stars (13 votes)
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 4,819 views 4.2 stars (6 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 18,213 views 4.6 stars (12 votes)
Mass X by Max Mann [ ] Five short stories of men getting bigger and sexier, through the use of “Mass X”. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Hairy •Age Difference •Incest •Father/Son •Christmas •New Year's Eve •M/M Added Feb 2005 5 parts 19,019 words 43,706 views 4.7 stars (16 votes)
The mechanism by screamingmoist [ ] Volunteering to take part in an experiment leads to more than extra credit for one lucky student. •Straight to Gay •Always Shirtless •Public Nudity •Increased Libido •Retcon •M/M Added May 2022 4,503 words 3,549 views 4.5 stars (6 votes)
MG Project: Test Subject #5 by HeyDaddy01 [ ] A 50-year-old man recovering from an auto accident qualifies for a life-changing experimental project. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Man Scent •Increased Libido •Gradual Change •M/M Added Jan 2023 10 parts 19,304 words 7,041 views 4.7 stars (11 votes)
Milo’s big secret by BRK [ ] For small-town boy Milo the growth that came with puberty never ended. He kept growing and growing, especially in a certain area, and now at 19 he’s sure he’s too much of a freak to know any love but his own. What he hasn’t reckoned on is Jeremy, a take-charge type so beautiful there’s no way Milo can hide his secret from him for long. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Complete •M/M Added Jun 2022 2 parts 5,841 words 10,102 views 4.6 stars (18 votes)
Morphogenic steroids by RdyRoger [ ] Rod’s dad is working on a new technology that makes small things bigger and big things huge, with incredible implications for food supplies and beyond—only it only lasts for five hours. Rod figures being bigger for five hours… that would be pretty awesome. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Infectious Added Oct 2019 4 parts 15,297 words 22,422 views 4.5 stars (13 votes)
Mountainheart by BRK [ ] It’s 1999, and Glenn, until now kept from his heritage, uncovers what it means to be a Sheridan. Fortunately, he has his closest friend, Eamon, at his side. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Plausible Size Difference •Age Regression •Getting Hairy •Brothers •Werebears •Supernatural •Shapeshifting •Series •M/M Added Nov 2021 Updated Dec 2022 7 parts 33,363 words 11,835 views 5.0 stars (17 votes)

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Navy experiment by BRK [ ] The new protocol of vaccinations on the U.S.S. Tulsa developed by Dr. Tosk had very deliberate side-effect: your body is affected by whoever you lust for. Tosk plans for the sailors to start lusting after his impressive form—but who does Tosk lust for? •Cock Growth •Huge Cock •Extra digits •Multi-abs •Multicock •Multiarm •Multilimb •Three Legs •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Plausible Size Difference Added Mar 2010 4 parts 5,764 words 40,754 views 4.4 stars (15 votes)
A new start by FanTCMan [ ] •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change Added Feb 2003 3,694 words 19,296 views 4.5 stars (6 votes)
Nobody’s perfect by Also Known As [ ] A psychologist prepares himself to meet the subject whose response to the enhancement drug was so intense that just to be near him is to risk erotic overload… a man known only as Twenty-Five. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Increased Libido •Getting Handsomer •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Metabods 25 •M/M Added Feb 2022 Updated Jun 2022 6 parts 35,323 words 21,331 views 4.9 stars (29 votes)

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Omega cursed: An alpha touch side story by Caliburn [ ] Best friends Ryan and Sam finally get to enjoy a much-anticipated camping trip. However, Sam has being acting odd ever since they crossed paths with that man in the gas station. Maybe the weird tattoo that suddenly appeared on Sam’s buttcheek has something to do with it. •Cock Growth •Huge Balls •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Nonconsensual change •Rape •Hyper Pheromones •Infectious •Series •M/M Added Jun 2022 8,604 words 8,224 views 4.8 stars (16 votes)
One hot summer by BRK [ ] Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. •Always Hard •Cock Growth •Huge Cock •Self-suck •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Incest •Brothers •Twins •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Complete •Cannabis •M •M/M •M/M/M •M/M/M/... Added Jun 2019 Updated Jun 2022 54 parts 118,619 words 61,183 views 4.9 stars (54 votes)

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Patient zero by SomeMuscleGuy [ ] After exploring a crashed meteorite, Tim and Kyle are left growing uncontrollably. The hornier they get, the larger they grow. But what happens when growth itself makes them horny? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Public Nudity •Butt Growth •Increased Libido •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Plausible Size Difference •Size Increase •Nonconsensual change •Infectious •Complete •M/M Added Nov 2022 Updated Dec 2022 3 parts 12,646 words 17,636 views 4.6 stars (19 votes)
The pills by LordTronimator [ ] An 18-year-old college student, Thomas, orders some pills online that promise to help him with his small problem. When they don't work fast enough for him, he decides to down the whole bottle—and gets more than he bargained for. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Public Orgasm •Public Nudity •Increased Libido •Nonconsensual change •Restraints •Horror Added Apr 2020 Updated May 2020 12 parts 16,260 words 19,593 views 4.7 stars (18 votes)
The Porter Men by Inclytos [ ] The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right? •Cock Growth •Cock Shrinking •Huge Cock •Dom to Sub •Getting Dumber •Pec Fucking •Hyper Strength •Muscle Breast •Muscle Growth •Muscle/Strength •Always Shirtless •Butt Growth •Increased Libido •Retcon •Incest •Brothers •Father/Son •Twins •Dom/Sub •Sex-Slave •M/M •M/t •t/t Added Oct 2022 Updated Nov 2022 3 parts 8,809 words 8,488 views 4.7 stars (20 votes)
The power of suggestion: School library by BRK [ ] Jason suggests his suggestion abilities onto Kevin, only neither of them are aware of it. •Always Hard •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Three Legs •Multipec •Muscle/Strength •Increased Libido •Size Increase •Retcon •Suggestion •Complete •Series Added Feb 2009 1,651 words 19,623 views 4.6 stars (5 votes)
The power of suggestion: Wetbar by BRK [ ] A night out at the bar leads to a series of changes to a very happy young clubgoer. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Public Orgasm •Multi-abs •Multicock •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Transformation •Plausible Size Difference •Size Increase •Age Regression •Mouthcock •Retcon •Suggestion •Brothers •Twins •Complete •Series •M/M/M Added Feb 2009 2,751 words 24,428 views 4.9 stars (11 votes)
The priapic intervention by Mark Bargen [ ] Story of a future genitalia expansion procedure written in the form of a scientific review. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Increased Libido •Transformation •Hypnosis •Set in the Future Added Oct 2004 5 parts 2,096 words 15,536 views 3.4 stars (5 votes)
Project Cerulean MX: Aaron's story by CsabaXXX [ ] 18-year-old Aaron’s life changes drastically when he’s accidentally exposed to a very effective growth serum. •Huge Cock •Muscle Growth •Increased Libido •Bisexual •Hyper Pheromones •M/F/F •M/M •M/M/M/... Added Nov 2022 Updated Feb 2023 8 parts 17,454 words 4,797 views 4.9 stars (10 votes)
Project William by Also Known As [ ] Horny teen Jackson encounters a guy who seems like he’s the god of sweet, muscular, carnal masculine hotness, and that means big changes for Jackson and his friends. •Cock Growth •Huge Cock •Public Orgasm •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Immortality •t •t/t •t/t/t Added Oct 2002 20 parts 64,637 words 30,794 views 4.6 stars (14 votes)
The pump by UberPump [ ] A young man and his wife find themselves at the mercy of a cock pump. He's already quite big at 9 inches long, but how much bigger can he go and will they find a limit to his size? •Cock Growth •Cock Pumping •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Addiction •Increased Libido •Forced Growth •Inflation •Hetero Sex •M/F Added Jan 2023 3,676 words 3,637 views 4.5 stars (8 votes)

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The radiation zone by SomeMuscleGuy [ ] After going off the beaten path to explore an abandoned military base, Alex is involved in an incident that leaves him contaminated with radioactive material, and he won’t stop growing until he escapes. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Foot Growth •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Nonconsensual change •Infectious •M Added Aug 2022 3,606 words 9,951 views 4.7 stars (26 votes)
The real you by MegaMaker [ ] Today is Adam’s birthday, and his longtime boyfriend Eddie doesn’t want to give him the gift he’s been asking for. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Getting Taller •Size Increase •Getting Hairy •Shapeshifting •Complete •M/M Added Jan 2023 3,057 words 4,029 views 4.6 stars (5 votes)
Resolutions by BRK [ ] Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Other Mental Changes •Hyper Muscle •Muscle Growth •Muscle/Strength •Increased Libido •Size Decrease •Size Increase •Tongue Growth •Retcon •Suggestion •Nonconsensual change •New Year's Eve •Complete •Series •M •M/M •M/M/M •M/M/M/... Added Jan 2021 Updated Feb 2022 13 parts 70,716 words 34,108 views 4.9 stars (33 votes)
Resolutions: King factory by BRK [ ] The manager of a small, forgotten factory gets a sudden visit from the son of the conglomerate that owns his plant. Not only is he taking over, it seems, but he’s insistent on maximizing profit—even to the point of reviving production on that one sweetener everyone knows is a joke. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Increased Libido •Infectious •Complete •Series •M/M Added Mar 2022 2 parts 6,615 words 4,170 views 3.6 stars (9 votes)
The risk by Marc Adrien Godin [ ] Admonished by his now ex-girlfriend to “take a risk”, Sam enrolls in a drug trial. •Cock Growth •Huge Cock •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Rape Added Jul 2006 6,728 words 12,711 views

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The salt by RdyRoger [ ] Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers •Series Added Jun 2010 9 parts 35,754 words 81,362 views 4.7 stars (19 votes)
The salt: the African-American by RdyRoger [ ] •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Size Increase •Race/Ethnicity Change •Getting Hairy •Hairless •Tongue Growth •Nonconsensual change •Series Added Jun 2010 3 parts 3,969 words 10,987 views
The salt: the gym bunny by RdyRoger [ ] •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Other Mental Changes •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Getting Handsomer •Voice Deepening •Plausible Size Difference •Size Increase •Getting Hairy •Nonconsensual change •Restraints •Series Added Jun 2010 6 parts 14,393 words 15,176 views
The salt: the lab assistant by RdyRoger [ ] Helping out at the lab where a scientist is developing very effective body enhancement formulas can expose you to temptations too tough to resist. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Voice Deepening •Plausible Size Difference •Size Increase •Getting Hairy •Nonconsensual change •Series •M/M Added Jun 2010 9,042 words 14,185 views 5.0 stars (7 votes)
Sebastian by TreborNawoc [ ] Sebastian’s experiment to transform himself into a multi-hunk worked, and then some! He can’t wait to show off the results to his best friend, Gavin. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Four Legs •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitorso •Muscle Growth •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •First Time/Virgin •Infectious •Series •M/M Added Dec 2021 Updated Nov 2022 4 parts 8,673 words 9,529 views 5.0 stars (241 votes)
Second puberty by JayPat [ ] Finding out you’re a product of genetic engineering and about to go through your second puberty is shocking enough, but the unforeseen repercussions with school, family, and friends are what really change everything. •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Bisexual •Destruction/Violence •Hyper Pheromones •Series Added Sep 2012 15 parts 91,454 words 73,411 views 4.8 stars (33 votes)
The six pack by Cris Kane [ ] Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. •Cock Growth •Cock Shrinking •Huge Cock •Gender Swap •Butch-to-Fem •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Decrease •Size Increase •Age Progression •Age Regression •Race/Ethnicity Change •Getting Hairy •Getting Fatter •Destruction/Violence •Series •M/M •M/M/M Added Sep 2018 9 parts 38,564 words 26,624 views 4.8 stars (13 votes)
Sk8r dreams by Reaver [ ] The Maker is an app that gives you the ability to remake the world around you. That means a better house, a hotter body—and it definitely means turning a few guys in your life into happy, hunky skater bois. •Cock Growth •Ball Growth •Huge Cock •Replication •Always Shirtless •Increased Libido •Transformation •Voice Deepening •Age Regression •Race/Ethnicity Change •App •Retcon •Nonconsensual change •Infectious •Mind Control •Series Added Oct 2003 19 parts 58,830 words 39,881 views 4.1 stars (19 votes)
Small problems by The Obsessive-Compulsive [ ] College freshman Curt has certain inadequacies he’d like to correct. (Hint: Remember the “Better Living through Chemistry” meme?) •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Increased Libido Added Sep 2009 7 parts 9,668 words 34,450 views 5.0 stars (6 votes)
The smell of lust by Seth Peterson [ ] I did a thing!! Okay, I accidentally bathed myself in extremely potent, gay-causing, transformative pheromone juice. But it’s all good, right?? •Huge Cock •Straight to Gay •Muscle Growth •Increased Libido •Transformation •Size Increase •Getting Hairy •Nonconsensual change •Hyper Pheromones •Anthro/Furry •Anthro/Scaly •Dragons •M/M Added Jun 2016 11,127 words 23,292 views 4.3 stars (14 votes)
SNU-5|VU by DracumSum [ ] Nathan and Nick have to complete a biochem project on the metahumans caused by the failed SNU-5 nanobot project—only they don’t know any, and the brief random encounter Nathan had at a bus stop the other day won’t help them. Or will it? •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Muscle •Muscle Growth •Increased Libido •Foot Growth •Gradual Change •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Hairless •Nanotech •Infectious •Set in the Future •Hyper Anus •M/M Added Feb 2022 6,053 words 6,476 views
Spare parts by YellowJester [ ] After being disfigured in an accident, Al learns that he doesn’t need his old body or face when he can simply copy the best features of those around him. •Cock Growth •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •M/M Added Aug 2022 3,378 words 4,111 views 5.0 stars (10 votes)
Sudden changes by BRK [ ] Ike woke up with a too-big hard-on that won’t quit and a constant, building need to orgasm that didn’t subside even when he came. And none of that changed the fact that he had to go to work. How the heck would he deal with this? •Always Hard •Cock Growth •Huge Cock •Muscle Growth •Increased Libido •Voice Deepening •Getting Taller •Getting Hairy •First Time/Virgin •Incest •Twins •M/M/M Added Dec 2021 Updated Apr 2022 2 parts 8,094 words 13,521 views 4.9 stars (17 votes)
The swimming hole: legacy by Azerreza [ ] When Nick moves to a new city he hears rumours that it had once been partially destroyed by muscular titans. Not believing it at first, he decides to ignore them. But sometimes… rumours aren’t really rumours! And if it were true that there was a way to grow like that, could he use it to seduce the secret love of his life? •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •First Time/Virgin •Series •M/M Added Aug 2021 Updated Sep 2021 3 parts 35,039 words 16,949 views 4.8 stars (11 votes)

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A Tale of Two Brothers: Donnie & Marco by Artotter92 [ ] Two brothers end up the unwilling subjects of their father’s science experiments, with some pretty extreme results. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Muscle •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Gradual Change •Transformation •Voice Deepening •Forced Growth •Size Increase •Age Progression •Getting Hairy •Incest •Brothers •Stories with Images •M/M Added Jan 2023 3,937 words 4,541 views 4.3 stars (8 votes)
The test subjects by Azerreza [ ] When Doctor Krakovski was asked to recreate the super-soldier serum, Ryan though at first it was a joke. The initial attempts were total failures. About to abandon the project, they received from the high command a strange blue goop. The next experiments were a real success! It was time to move on to the last phase: experimentation on a human. Now, it just remained to find the ideal test subject. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Series •M/M Added Jun 2022 Updated Jul 2022 2 parts 17,878 words 11,043 views 4.5 stars (20 votes)
Threefer: Barry by BRK [ ] Performing at a festival with his band, Barry is getting way too stimulated thinking about all the things that have happened to him since his drummer Wes introduced him into their little group—especially some unexpected and very personal changes that no one knows about yet, not that he’ll be able to hide them for long… •Nipcocks •Multicock •Muscle Growth •Increased Libido •Gradual Change •Mouthcock •Complete •Series •M/M/M/... Added Jun 2022 2,816 words 1,881 views
Threefer: Wes by BRK [ ] Being around not one but two lovers transformed by the strange cock-growth drug DX3, Wes can’t but wonder what would happen if he took some, too. •Cock Growth •Huge Cock •Nipcocks •Nipple Emissions •Increased Libido •Mouthcock •Complete •Series •M/M •M/M/M/... Added Apr 2022 3,067 words 2,872 views
Tim’s adventure by WordShop [ ] Tim finds romance becomes a little more complicated when muscle growth and hypermasculity is involved. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Size Increase •Getting Hairy •First Time/Virgin •M/M Added Jan 2018 Updated Feb 2018 5 parts 34,729 words 25,560 views 4.4 stars (14 votes)
The training program by BRK [ ] Recruited to take part in an intense and highly selective three-week LEO training program, Texas Ranger Dusty thinks he and his fellow trainees are in for a lot of hard work and conditioning. What he doesn’t know is what exactly these elite law-enforcement men are being trained for. •Always Hard •Cock Growth •Self-suck •Hyper Cum •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Sex-Slave •Aliens •Complete •M/M •M/M/M •M/M/M/... Added Aug 2021 5 parts 8,850 words 11,365 views 4.4 stars (8 votes)
Transform: New Blood by Also Known As [ ] The formula Carlos developed, Transform, has made him and his friends into veritable gods. Soon their numbers will be growing, thanks in part to a video featuring a guy known only as Self-Suck Sam. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Voice Deepening •Size Increase •First Time/Virgin •Infectious •Flying •Series Added Jan 2014 47 parts 188,423 words 40,182 views
12 days of Growthmas by MaxMorphs [ ] Two magical Christmas Gnomes grant Max the ever-evolving gift of growth. Throughout December, Max transforms into one of his hottest fantasies. Of course, there’s a price for your dreams coming true. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Nipcocks •Self-suck •Cum inflation •Hyper Cum •Hyper Muscle •Immobility •Muscle Breast •Muscle Growth •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Getting Taller •Getting Hairy •Complete •M/M Added Dec 2022 14 parts 15,015 words 5,716 views 5.0 stars (9 votes)
Twelve steps back by FanTCMan [ ] Ian pursued working out as a way of chasing off his inner demons. Then he heard about a serum that seemed to make you not just bigger, but enhanced everything about you that was masculine and sexy. And if it made you horny too, well, that was fine by him. •Cock Growth •Huge Balls •Huge Cock •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Getting Handsomer Added Nov 2003 Updated Mar 2018 9 parts 33,235 words 29,559 views 4.8 stars (16 votes)
Twenty-five by Derek Williams [ ] Austin is a cocky young escort. When he meets up with an older client, he finds himself losing his youth and transforming into a sexually charged musclebeast. •Muscle Growth •Increased Libido •Age Progression •Getting Hairy •Age Difference •Nonconsensual change •Metabods 25 •M/M Added Jan 2022 3,571 words 5,638 views 4.8 stars (11 votes)
Twisted fates by BRK [ ] A bored chaos god decides to play a little prank on two urbex buddies wandering through his former home. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Replication •Straight to Gay •Muscle Growth •Stretchy •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Retcon •Suggestion •Nonconsensual change •Supernatural •Invisibility •Complete •M/M •M/M/M Added Apr 2022 5,006 words 7,197 views 4.8 stars (13 votes)

U

Uncle C by Portowulf [ ] Charles finds a trinket at a small store in the city that brings unexpected changes. •Cock Growth •Straight to Gay •Muscle Growth •Increased Libido •Size Increase •Age Progression •Age Regression •Age Difference •First Time/Virgin •Incest •M/M Added Jun 2020 3,028 words 6,987 views
Unequal exchange by Fallon Ives [ ] Jacob gets more (and less) than he bargained for when a late-night hookup with a guy from out of town takes a turn for the strange. No part of him will ever be the same. •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Balls •Huge Cock •Hyper Cum •Muscle Worship •Man Scent •Belly Growth •Increased Libido •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Getting Fatter •Tongue Growth •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Supernatural •M/M •M/M/M Added Nov 2021 Updated Feb 2022 9 parts 21,204 words 24,901 views 4.7 stars (18 votes)
An unexpected inflation by UberPump [ ] A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. •Cock Growth •Cock Pumping •Cockfucking •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Public Orgasm •Addiction •Straight to Gay •Hyper Muscle •Immobility •Muscle Growth •Public Nudity •Increased Libido •Forced Growth •Size Increase •Inflation •App •Incest •Brothers •Bisexual •Nonconsensual change •M/M •M/M/F •M/M/M Added Apr 2020 Updated Jan 2023 39 parts 90,012 words 93,664 views 4.9 stars (54 votes)

W

Wedding swap by squatch [ ] Another wedding alone, until you employ a service that makes it interesting. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Bisexual •Hetero Sex •Body Swap •Shared Body •M/F •M/M Added Nov 2021 2 parts 5,013 words 6,769 views 5.0 stars (7 votes)
Weho adventure by FanTCMan [ ] The only thing hotter than seeing the amazing bodybuilder Steve Reilly was the possibility of catching his eye. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Size Increase •Getting Hairy Added Feb 2003 10,627 words 14,600 views 4.7 stars (11 votes)
What happened by Dream Big [ ] When Daniel meets up after college graduation with his high school friends Chris and Jane for a beach vacation, it turns out Chris has some important news: first, he’s into both of them, and second, he’s got access to his family’s secret body transformation serum, and he’s willing to share. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Bisexual Added Nov 2019 2 parts 8,209 words 8,220 views 5.0 stars (7 votes)
The witch’s menagerie by NioSatyr [ ] Deep in the forest, as far away from civilization as possible, lives an old but youthful witch. A witch who needs some help from young mortals in gathering her special ingredients. The job description includes some… adaptations, but her latest recruit doesn’t seem to mind at all. •Cock Growth •Huge Balls •Self-suck •Hyper Cum •Public Orgasm •Wings •Public Nudity •Increased Libido •Transformation •Size Decrease •Human to Animal/Anthro •Getting Hairy •Age Difference •Bisexual •Hetero Sex •Witch/Warlock/Wizard •Flying Added Sep 2021 6,734 words 4,533 views

Z

Zack by Mlock [ ] Zack and his boyfriend try out a Brazilian-made concoction. •Cock Growth •Huge Balls •Huge Cock •Cum inflation •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Plausible Size Difference •Size Increase Added Sep 2009 1,385 words 25,044 views 3.4 stars (14 votes)

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