Stories that feature guys that are actual twin brothers (almost always, they're identical twins). See also Brothers for brothers that are not twins, and Replication for identical twins that are actually all the same guy.
Tag Group: Family.
|All good things|
|Bending the straight boys|
|One hot summer|
|Damian and the three muscleteens|
|Centurion of light|
|No strings attached|
All good things by Anon Amon After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. 111 parts Added Feb 2017 Updated 29 Oct 2022 217k views 4.6 stars (144 votes) 132k words (#9) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Nipple Emissions•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers•Twins•Infectious•Pagan gods•Complete •M/M•M/M/M
Alt-world by BRK The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers... 2 parts Added Jul 2011 Updated 27 Jul 2011 29k views 4.9 stars (15 votes) 5,265 words •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Multilimb•Replication•Muscle/Strength•Plausible Size Difference•Size Increase•Incest•Twins•Selfcest •M/M
Bali encounter by LenZelig On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. 2 parts Added Nov 2017 Updated 8 Dec 2017 15k views 5.0 stars (10 votes) 29k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•First Time/Virgin•Incest•Brothers•Twins•Bisexual•Hetero Sex•Dom/Sub •M/M•M/M/M•M/F•M/M/F
A Barber story: The Titan Brothers by Ogrebear Two men from opposite ends of life get a world-changing haircut. Added Dec 2022 6,599 views 5.0 stars (9 votes) 5,252 words •Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Getting Hairy•Retcon•Suggestion•Incest•Brothers•Twins •M/M
Bending the straight boys by iciss At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. 2 parts Added Jan 2008 72k views 4.7 stars (39 votes) 11k words •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
Big changes by Ziel Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. 14 parts Added Dec 2013 Updated 31 Dec 2022 99k views 4.6 stars (27 votes) 74k words (#37) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M
Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts Added Nov 2013 29k views 4.4 stars (8 votes) 9,393 words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Nonconsensual change•Vampires•Werewolves•Halloween •M/M
The blue pumpkin by BRK Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… 6 parts Added Oct 2020 11k views 4.9 stars (19 votes) 8,774 words •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multiarm•Multilimb•Multitongue•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Mouthcock•Incest•Twins•Selfcest•Merging•Supernatural•Halloween•Complete •M/M•M/M/M•M/M/M/...
The bodyguards by MaxMorphs Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. 9 parts Added Apr 2021 Updated 21 Aug 2021 47k views 4.8 stars (47 votes) 22k words •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
Boytaurs from Outer Space! by BRK Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. 6 parts Added Jun 2015 Updated 14 Oct 2016 15k views 4.4 stars (16 votes) 13k words •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins•Aliens•Space Travel •M/M•M/M/M•M/M/M/...
The boytaurs of Bel-Air by BRK When Steve’s attempts at bringing boytaurs into popular awareness through CGI ends up being a disaster, his only recourse is to use the real thing. Added Mar 2004 9,409 views 5.0 stars (3 votes) 3,080 words •Multicock•Boytaur•Multiarm•Multileg•Multilimb•Muscle Growth•Incest•Twins•Complete •M/M•M/M/M
Canticle of the Fair King by brazboy A fable showing the immense wisdom of the Fair King, as he is challenged by a vile noble with a riddle which apparently has no right answers. Added Sep 2022 3,141 views 4.7 stars (3 votes) 6,693 words •Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Incest•Brothers•Twins•Restraints•Fantasy Realm •M/M•M/M/M
Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts Added May 2014 Updated 5 Jan 2019 56k views 4.9 stars (49 votes) 38k words •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...
The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts Added Jan 2006 15k views 4.7 stars (7 votes) 3,678 words •Replication•Incest•Twins•Selfcest•Bisexual
College town by James Fourlegs A randy warlock remains circumspect about having turned the whole town into a herd of boytaurs. Added May 2002 13k views 4.2 stars (6 votes) 945 words •Multicock•Boytaur•Multilimb•Replication•Wristfeet•Incest•Twins•Selfcest
Comeuppance by JJJJohnson No more than one tablespoon each, huh? Suuuuuure! Added May 2006 46k views 4.6 stars (21 votes) 4,071 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Brothers•Twins
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. 6 parts Added Feb 2003 30k views 3.2 stars (21 votes) 15k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Age Difference•Incest•Father/Son•Twins•Destruction/Violence •M/t
Damian and the three muscleteens by hyperboi 5 parts Added Dec 2012 57k views 4.3 stars (28 votes) 8,170 words •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins•Infectious
A day in the life of a pregnant gay couple by JKL A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed. Added May 2021 7,738 views 4.3 stars (6 votes) 839 words •Always Hard•Huge Cock•Muscle Breast•Muscle/Strength•Male Pregnancy•Incest•Twins
Desire baubles by Writ Bro Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. Added Dec 2019 6,247 views 4.5 stars (8 votes) 3,034 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Twins•Christmas
The double room by Tyler Wilson Tyler is confused to find two roommates listed for his double room at the university, but quickly finds that this new arrangement will work very well. 3 parts Added Jul 2017 Updated 2 Feb 2019 16k views 4.9 stars (25 votes) 7,922 words •Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Multitorso•Incest•Twins•Triplets•Merging •M/M•M/M/M
Double trouble by NBCK99 Caleb is really into how hot identical twins are. His roommate decides to help him out a little. Added May 2015 14k views 4.7 stars (30 votes) 4,088 words •Retcon•Incest•Twins •M/M
Doubling up by BRK All the dorm rooms in Bryce’s building are being combined with another, and everyone’s doubling up. What isn’t immediately apparent is that it isn’t the rooms that are being merged—it’s the roommates. 3 parts Added Jun 2013 Updated 1 May 2015 26k views 4.9 stars (23 votes) 7,007 words •Always Hard•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Stacking•Incest•Twins•Merging •M/M•M/M/M•M/M/M/...
Empire by LenZelig A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure. 40 parts Added Apr 2019 Updated 1 May 2021 134k views 3.7 stars (6 votes) 366k words (#1) •Cock Growth•Huge Cock•Self-suck•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Age Difference•Bestiality•First Time/Virgin•Incest•Brothers•Father/Son•Twins•Bisexual•Hetero Sex•Nonconsensual change•Sex-Slave•Shared Body•Aliens•Space Travel•Witch/Warlock/Wizard•Thanksgiving•Mind Control•Complete
The escape by hyperboi Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all... Added Dec 2014 27k views 4.7 stars (22 votes) 3,492 words •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Nonconsensual change•Aliens
Family trouble by HandsomeLitleBoy Max starts to notice some strange behavior from his big brother Brad—behavior that involves ungodly amounts of cum. 2 parts Added Oct 2020 12k views 4.8 stars (9 votes) 2,454 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Getting Taller•Incest•Brothers•Twins
Field agent by BRK Special agents Adkins and Barber interview a rancher in relation to their current case. There’s something odd about the handsome Latino, though—starting with the fact that he won’t get down off his horse. 2 parts Added Apr 2020 Updated 14 Nov 2020 11k views 4.9 stars (21 votes) 5,236 words •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Public Nudity•Size Increase•Incest•Twins•Selfcest•Infectious•Centaurs •M/M•M/M/M
The formula by hyperboi Mike begs his genius friend Jeff to try coming up with a cock growth formula. Jeff assumes Mike doesn’t want to look too small when he goes out for the swim team, but the secret truth is, Mike’s ambitions aren’t limited to his own junk. 4 parts Added Jan 2021 Updated 13 Feb 2021 26k views 4.9 stars (32 votes) 15k words •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins •t/t•t/t/t...
The four jocks book 2 by BRK The game has been passed on to a bunch of swim team hotties, who elect to play immersed in a hot tub. 2 parts Added Sep 2009 20k views 4.7 stars (6 votes) 3,968 words •Cock Growth•Huge Cock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Incest•Twins•Selfcest•Complete •M/M•M/M/M/...
The four jocks: At the lake by BRK When Dane and his brother Sean go on a celebratory road trip after finishing college, Sean's best friends, the Fernandez twins, naturally tag along. But their trip takes a strange turn right out of the gate, not least thanks to a game the guys find in their room at the lakeside bed and breakfast. Added Jul 2017 13k views 4.5 stars (15 votes) 5,950 words •Always Hard•Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins•Complete •M/M•M/M/M/...
Frat hunting by hyperboi A pair of twins with the ability to alter themselves and the world around them have some fun tailoring one of the frats to meet their needs. Added Jul 2013 30k views 4.5 stars (20 votes) 1,543 words •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins
From the files of the Magic Misuse Office by BRK High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. 6 parts Added Sep 2017 Updated 4 Sep 2021 19k views 4.9 stars (35 votes) 20k words •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Multitorso•Replication•Straight to Gay•Muscle Growth•Increased Libido•Transformation•Social Media•Incest•Twins•Selfcest•Merging•Witch/Warlock/Wizard •M/M•M/M/M
Glitch by BRK Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. 4 parts Added Dec 2020 Updated 6 Mar 2021 7,528 views 4.9 stars (10 votes) 14k words •Always Hard•Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Always Shirtless•Hyper Tongue•Tongue Growth•Retcon•Incest•Twins•Selfcest•April Fool’s Day •M/M•M/M/M
The Henderson family reunion by EdIam The Hendersons are having a pretty standard reunion, until a seasoned mind controller with a particularly niche power decides to make it quite the life-altering occasion. Added Jul 2023 2,736 views 4.3 stars (4 votes) 13k words •Transgender•Gay to Straight•Other Mental Changes•Straight to Gay•Transformation•Incest•Brothers•Father/Son•Twins•Dom/Sub•Nonconsensual change•Hypnosis•Mind Control•Complete •M/M•M/M/M•M/M/M/...
I always wanted to be a frat rat by Cris Kane Jacob invents a world-changing raygun. His roommate has some fun with it. 2 parts Added Sep 2021 7,946 views 3.0 stars (1 vote) 4,901 words •Replication•Butch-to-Fem•Other Mental Changes•Muscle Growth•Getting Handsomer•Transformation•Age Regression•Retcon•Twins•Selfcest•Nonconsensual change •M/M/M•NS
I think... by EdIam Larry wants to think for Zack. 12 parts Added Apr 2021 Updated 13 Aug 2022 20k views 4.2 stars (11 votes) 151k words (#6) •Other Mental Changes•Straight to Gay•Muscle/Strength•Age Difference•Incest•Brothers•Twins•Dom/Sub•Humiliation•Hypnosis•Mind Control •M/M•M/M/M
Illusions by Cockatrice Jacob is a huge fan of the famous magician Wondrous Will. One day he is invited backstage and is let in on the show’s biggest secret. Added Dec 2019 3,567 views 4.5 stars (2 votes) 3,670 words •Detachable•Incest•Twins
In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies. 2 parts Added Mar 2023 Updated 17 Jun 2023 8,598 views 4.6 stars (11 votes) 16k words •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Incest•Brothers•Twins•Selfcest•Dildos/Toys•Set in the Future •M/M/M
Jocktaur pledge by BRK High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. Added Sep 2020 4,650 views 5.0 stars (6 votes) 4,791 words •Cock Growth•Huge Cock•Boytaur•Four Legs•Multileg•Multilimb•Incest•Twins•Complete •M/M•M/M/M
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. Added Apr 2021 14k views 4.7 stars (21 votes) 3,110 words •Always Hard•Cock Growth•Huge Cock•Replication•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Getting Handsomer•Gradual Change•Getting Taller•Age Difference•Incest•Brothers•Twins•Selfcest•Complete•Set during the Pandemic •M/M•M/M/M/...
The lost temple of Shar’hradar by Charvolth I recently discovered that there was more to this D&D-inspired, enhanced-player fantasy adventure than I originally posted back when it was first submitted for the 2005 story contest. Here, very belatedly, is the rest of it. 4 parts Added Jun 2005 Updated 19 Aug 2016 12k views 4.8 stars (4 votes) 12k words •Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Size Increase•Incest•Twins•Witch/Warlock/Wizard•Fantasy Realm
Male scent by Frank Easky Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. 2 parts Added Jul 2002 60k views 4.1 stars (17 votes) 14k words •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
Many Man, the self-twin by S.E. Hello! Welcome to my blog! Many Man Blog is a blog where I share the happenings of myself and my boyfriend, who has a rare, almost magical, medical condition. Added May 2020 3,434 views 4.8 stars (6 votes) 1,767 words •Replication•Twins•Selfcest
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. Added Aug 2021 3,781 views 4.0 stars (2 votes) 5,297 words •Other Mental Changes•Muscle/Strength•Public Nudity•Belly Growth•Transformation•Twins•Anthro/Furry
Me two by BRK Chris has some time off from his celluloid heroics as an A-list movie star and is going through fan mail when he finds a joke twin-making machine. Amused, he tries it out, with… unexpected results. Added Jan 2021 4,873 views 5.0 stars (16 votes) 2,725 words •Multicock•Multihead•Multileg•Multilimb•Three Legs•Multipec•Replication•Incest•Twins•Selfcest•Merging•Complete •M/M
Metacafé by brazboy In a special corner of the city, unknown to most, there’s a place visited by a special crowd. Added Jun 2022 3,939 views 4.9 stars (7 votes) 5,754 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Getting Taller•Size Increase•Brothers•Twins•Metabods 25 •M/M
Mr. Rainbow Hair by iHeywood In this one-shot story, the lead singer of a gay pop/punk band meets a twink at a concert. They end up fucking. Added Sep 2022 3,106 views 4.5 stars (11 votes) 3,220 words •Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Incest•Brothers•Twins •M/M•M/M/M
Musclove, Texas by Max Mann Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one). 9 parts Added Sep 2004 72k views 4.8 stars (50 votes) 26k words •Cock Growth•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins•Restraints
Necklace brothers by Levitate A pair of undersized twins use a magical necklace to grow themselves—not realizing that the growth came with a price. Added May 2015 21k views 3.0 stars (5 votes) 1,423 words •Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Incest•Brothers•Twins
No angels by BRK Jerry likes his job covering the front desk alone overnight at a nice hotel, especially when a handsome customer checks in and piques his imagination. Added Oct 2023 2,322 views 4.5 stars (6 votes) 5,202 words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Multicock•Multileg•Multilimb•Three Legs•Muscle Growth•Getting Taller•Plausible Size Difference•Getting Hairy•Retcon•Incest•Brothers•Twins•Nonconsensual change•Invisibility•Complete •M/M
No strings attached by muscl4life Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. 3 parts Added May 2014 52k views 4.5 stars (24 votes) 39k words (#95) •Cock Growth•Huge Cock•Hyper Cock•Cum inflation•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Twins•Hypnosis •M/M
One hot summer by BRK Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. 54 parts Added Jun 2019 Updated 25 Jun 2022 69k views 4.9 stars (54 votes) 119k words (#17) •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•Selfcest•Nonconsensual change•Body Swap•Shared Body•Fourth of July•Gay Pride•Complete•Cannabis •M•M/M•M/M/M•M/M/M/...
The Porter Men by Inclytos The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right? 3 parts Added Oct 2022 Updated 5 Nov 2022 12k views 4.7 stars (22 votes) 8,809 words •Cock Growth•Cock Shrinking•Huge Cock•Dom to Sub•Getting Dumber•Pec Fucking•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Increased Libido•Retcon•Incest•Brothers•Father/Son•Twins•Dom/Sub•Sex-Slave •M/M•t/t•M/t
The power of suggestion by BRK On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. Added Feb 2009 46k views 4.8 stars (37 votes) 1,878 words •Cock Growth•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Size Increase•Retcon•Suggestion•Incest•Brothers•Twins•Selfcest•Complete
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. Added Feb 2009 26k views 4.9 stars (12 votes) 2,751 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Public Orgasm•Multi-abs•Multicock•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Transformation•Plausible Size Difference•Size Increase•Age Regression•Mouthcock•Retcon•Suggestion•Brothers•Twins•Selfcest•Complete •M/M/M
Seeing stars by OneLuckyGuy89 12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. 2 parts Added Mar 2020 Updated 30 May 2020 11k views 4.3 stars (7 votes) 8,520 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Gay to Straight•Muscle Growth•Muscle Gut•Getting Taller•Size Increase•Getting Hairy•Incest•Twins•Nonconsensual change•Infectious•Merging•Superhero/Supervillain
The shirtless club by BRK A cute, well-built teenager and his twin friends make a pact to keep their shirts off at all costs. 2 parts Added Jul 1997 37k views 4.6 stars (14 votes) 7,614 words •Huge Cock•Self-suck•Muscle/Strength•Always Shirtless•First Time/Virgin•Incest•Brothers•Twins•Complete •t/t•t/t/t...
The ski trip by Allan Cedar A group of multilimb guys get to know each other better in a secluded ski cabin. 2 parts Added Mar 2013 11k views 4.6 stars (5 votes) 4,768 words •Multicock•Multiarm•Multilimb•Incest•Twins •M/M•M/M/M
The smuggler by BRK Ardin is one of the best smugglers in the Seven Realms, and the heist he has planned to steal a valuable heirloom from the unsuspecting (and impossibly handsome) Prince of Kossh should be a piece of cake. What he’s not counting on is finding something else in the Prince’s treasure-room: an artifact evoking a mythical cock-themed beast that brings with it a sexual need so intense Ardin is unsure it can ever be quenched. 2 parts Added Apr 2021 4,017 views 4.7 stars (6 votes) 6,395 words •Huge Cock•Hyper Cum•Man Scent•Incest•Brothers•Twins•Fantasy Realm
The spectacular growing saga by West A collection of brief stories about guys discovering their dream bodies in various ways. 8 parts Added Mar 2022 Updated 20 May 2023 17k views 4.6 stars (15 votes) 12k words •Cock Growth•Cut to Uncut•Cock Shrinking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Prehensile Cock•Cum inflation•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Multiarm•Multipec•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Increased Libido•Getting Taller•Forced Growth•Size Decrease•Size Increase•A.I.-Controlled Change•Retcon•Suggestion•Incest•Brothers•Twins•Triplets•Hyper Pheromones•Infectious•Androids/Cyborgs •M/M•M/M/M
The stolen stash by BRK Brothers Ron and Don break into a certain house normally occupied by a couple of pizza hunks and their friends, just for fun—and then things take an interesting turn when they find the occupants’ massive stash of highly unusual cannabis. Added Feb 2023 2,396 views 4.5 stars (2 votes) 2,601 words •Cock Growth•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Transformation•Incest•Brothers•Twins•Shared Body•Complete•Cannabis •M/M
Sudden changes by BRK Ike woke up with a too-big hard-on that won’t quit and a constant, building need to orgasm that didn’t subside even when he came. And none of that changed the fact that he had to go to work. How the heck would he deal with this? 2 parts Added Dec 2021 Updated 16 Apr 2022 16k views 4.8 stars (18 votes) 8,094 words •Always Hard•Cock Growth•Huge Cock•Muscle Growth•Increased Libido•Voice Deepening•Getting Taller•Getting Hairy•First Time/Virgin•Incest•Twins •M/M/M
Target practice by Cris Kane Jake and Mark spot a pedestrian who would make a nice addition to the frat. Added Nov 2019 6,857 views 3.3 stars (3 votes) 1,635 words •Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Transformation•Incest•Twins•Selfcest•Nonconsensual change
Toy story by LenZelig During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen. 2 parts Added Jul 2002 31k views 5.0 stars (27 votes) 6,947 words •Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son•Twins•Androids/Cyborgs•Space Travel•Complete •M/M•M/M/M/...•t/t•M/t
Tuesday by BRK My best bud Kev and I have a secret. Okay, it’s a really badly kept secret—I grow extras. But when Kev starts to change too, we soon find out there are lots of secrets at my school. 7 parts Added May 2003 Updated 1 May 2021 30k views 5.0 stars (11 votes) 13k words •Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Replication•Stretchy•Incest•Twins•Selfcest•Body Swap •M/M•M/M/M/...
Twin workout by pkak2k12 Mr. Average Charlie joins the gym only to find the only other early customers are Hank, the strong silent hunk from class and his twink twin, Jamie. Which will Charlie go for—Hank, Jamie, or both? 5 parts Added Nov 2022 Updated 7 Jan 2023 6,097 views 4.5 stars (8 votes) 6,612 words •Huge Cock•Muscle/Strength•Incest•Brothers•Twins•Complete •M/M/M
Werewolf High by BRK The star of a teen werewolf show has a nagging sense that something weird is happening to the show’s extremely muscular, hung, and horny cast and crew, but he can’t quite put his finger on what it is. 3 parts Added Jul 2014 Updated 31 Dec 2015 37k views 4.5 stars (28 votes) 13k words •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Extra digits•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Triplets•Selfcest•Werewolves •M/M•M/M/M
Woody by BRK Woody’s been searching for his other half, but he doesn’t realize quite what that means, or what changes will happen when they meet. 2 parts Added Aug 2013 15k views 3.8 stars (4 votes) 4,705 words •Always Hard•Multicock•Size Increase•Incest•Brothers•Twins
Wordplay by BRK Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. Added Aug 2015 16k views 4.8 stars (5 votes) 6,910 words •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins