Family Tag Group

Stories that fall into the tag group “Family”.

  Subtags: Brothers;Father/Son;Incest;Selfcest;Triplets;Twins.

382 stories found Sorted by page views in the last 30 days Total word count: 5,410,525

2k+ 4

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

Stadium brew by BRK Three cousins at a football game down some concession-stand beer, and before long they’re in a deserted men’s room getting bigger and hairier and hornier for each other. 3 parts 15k words Added Nov 2023 Updated 23 Mar 2024 15k views 4.9 stars (44 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Increased Libido•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Incest•Alcohol •M/M/M•M/M/M/...

University notes by brazboy Being a new student at a mixed university presents new challenges and opportunities to a normal and naïve lad—such as the interaction with youthful and handsome Dairy Bulls. 6 parts 11k words Added Jan 2024 Updated 2 Mar 2024 3,949 views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Muscle Growth•Getting Taller•Incest•Brothers•Anthro/Furry•Complete •M/M

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

1k+ 11

An unexpected inflation by UberPump A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. 41 parts 99k words (#24) Added Apr 2020 Updated 10 Jun 2023 132k views 4.9 stars (62 votes) •Cock Growth•Cock Pumping•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Public Orgasm•Addiction•Straight to Gay•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•App•Nanotech•Incest•Brothers•Bisexual•Hetero Sex•Nonconsensual change•Bodily Fluids•Dildos/Toys•Infectious •M/M•M/M/M•M/M/F

Spice by Mr. X and Mad Dog In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. 50 parts 221k words (#4) Added Oct 2009 Updated 9 Nov 2019 237k views 4.4 stars (62 votes) •Cock Growth•Huge Cock•Other Mental Changes•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Supernatural•Gay Pride•Alcohol •M/M•M/M/M

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. 16 parts 83k words (#33) Added Dec 2013 Updated 23 Mar 2024 105k views 4.7 stars (30 votes) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M

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

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

Jason’s big problem by Joven Teen athlete Jason unwittingly becomes part of a shady experiment to produce progressively larger cocks and balls that generate way too much cum. His playful and curious friends get drawn in, and when his cranky brother is roped in as well, having massive equipment becomes even more difficult. 49 parts 115k words (#18) Added Oct 2013 Updated 24 Nov 2017 214k views 4.5 stars (79 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •t/t•t/t/t

My roommate (complete) by LenZelig Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang, and the others drawn into his adventures, combined with the stories of Andy’s son and his friends. (This revised and updated compilation version includes both “My Roommate” and “My Roommate: The Next Generation.”) 29 parts 223k words (#3) Added Jul 2002 Updated 19 Jun 2021 165k views 4.5 stars (25 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub•Witch/Warlock/Wizard•Gay Pride•Mind Control•Complete •M/M•M/M/M•M/M/M/...•t/t•M/t•M/F•M/M/F

Family comes first by EdIam Edgar and Becky Berger are hosting Thanksgiving for their beloved family. With their twins arriving home from college and Edgar’s widower father, brother, and nephew on the way, the pair are excited to spend time with loved ones. And that’s when their creepy neighbor Yusuf rang their doorbell… 2 parts 24k words Added Mar 2024 Updated 23 Mar 2024 1,573 views 3.2 stars (6 votes) •Other Mental Changes•Straight to Gay•Race/Ethnicity Change•Retcon•Incest•Brothers•Father/Son•Twins•Nonconsensual change•Mind Control •M/M

Pansexuality—An Abyssus Abbey Story by Pen Darke After an encounter with a strange, demonic creature, a young shepherd finds himself changing and growing in surprising ways. 7,366 words Added Mar 2024 1,473 views 4.9 stars (14 votes) •Cock Growth•Ball Growth•Muscle Growth•Transformation•Incest•Satyrs •M/M

Critical mass by UberPump Bryan is just a High School Senior, ready to get his miserable life over with at this wretched place. No one seems to notice the small, scrawny 5-foot-3 teen, with the exception of the school bully. Albert teases Bryan all the time, his goons joining in. After school, Bryan stumbles upon one of his dad’s latest creations at his Bio Medical Research facility ande decides to take the mysterious serum in hopes of one-upping Albert. Bryan’s life, and body, changes forever. But there are side effects that none of them foreseen... 5,082 words Added Feb 2024 8,336 views 4.9 stars (18 votes) •Cock Growth•Cock Pumping•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Public Orgasm•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Foot Growth•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•Father/Son•Bisexual•Humiliation•Nonconsensual change•Bodily Fluids •M/M•t/t/t

Bull’s strength by muscl4life On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. 28 parts 88k words (#29) Added Jul 2018 Updated 6 Oct 2018 93k views 4.8 stars (45 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multi-abs•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Age Difference•Bestiality•Incest•Father/Son•Destruction/Violence•Infectious•Flying •M/M•M/M/M•M/M/M/...

<1k 367

The bodyguards by MaxMorphs Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. 9 parts 22k words Added Apr 2021 Updated 21 Aug 2021 50k views 4.8 stars (47 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Plausible Size Difference•Size Increase•Inflation•Incest•Brothers•Twins •M/M•M/M/M

His brother drains his manhood by Ballmeat A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. 2,593 words Added Jan 2018 70k views 4.4 stars (49 votes) •Cock Growth•Cock Shrinking•Cock Theft•Dom to Sub•Straight to Gay•Muscle Growth•Muscle Theft•Muscle/Strength•Incest•Brothers•Dom/Sub•Humiliation•Nonconsensual change •M/M

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

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

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts 79k words (#36) Added Nov 2020 Updated 27 Feb 2021 56k views 4.9 stars (42 votes) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•App•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Valentine’s Day •M/M•M/M/M

Playing with FanTCMan’s toys by Absman420 The Budd Brothers and their muscle adventures. 12 parts 54k words (#63) Added Jan 2024 3,678 views 4.8 stars (11 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle Worship•Hair Growth/Getting Hairy•Incest•Brothers•Complete •M/M•M/M/M•M/M/M/...

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 366k words (#1) Added Apr 2019 Updated 1 May 2021 137k views 3.7 stars (6 votes) •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

Comeuppance by JJJJohnson No more than one tablespoon each, huh? Suuuuuure! 4,071 words Added May 2006 47k views 4.7 stars (24 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Brothers•Twins •M/M

Jon the growing stepdad by spacevlad Austin’s mother passes away, leaving behind a special gift. Austin uses this gift to give his stepdad, Jon, a new direction and motivation. Jon is eager to impress his stepson. 15 parts 61k words (#50) Added Oct 2022 Updated 10 Dec 2022 37k views 4.6 stars (32 votes) •Huge Cock•Muscle Growth•Muscle Gut•Muscle Worship•Man Scent•Belly Growth•Feeding•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Suggestion•Father/Son•Dom/Sub•Humiliation•Christmas•New Year’s Eve•Valentine’s Day•Complete •M/M

My chronicles by growerdom I chronicle my growing life, dealing with my new abilities, and you’re there every step of the way.  2 parts 4,018 words Added Dec 2023 Updated 30 Dec 2023 11k views 4.6 stars (18 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Dom to Sub•Straight to Gay•Hyper Muscle•Pec Fucking•Hyper Strength•Immobility•Muscle Growth•Muscle Gut•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Voluptuous Men•Butt Growth•Belly Growth•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Father/Son•Dom/Sub•Nonconsensual change•Hyper Pheromones •M

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

The spectacular growing saga by West A collection of brief stories about guys discovering their dream bodies in various ways. 8 parts 12k words Added Mar 2022 Updated 20 May 2023 18k views 4.6 stars (17 votes) •Cock Growth•Cut to Uncut•Cock Shrinking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Prehensile Cock•Cum inflation•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Multiarm•Multipec•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Increased Libido•Getting Taller•Forced Growth•Size Decrease•Size Increase•A.I.-Controlled Change•Retcon•Suggestion•Incest•Brothers•Twins•Triplets•Hyper Pheromones•Infectious•Androids/Cyborgs •M/M•M/M/M

Alpha product series by Chet Boner 19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice! 19 parts 23k words Added May 2017 Updated 11 May 2019 89k views 4.3 stars (43 votes) •Cock Growth•Huge Balls•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Stories with Images •M/M•M/M/M

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

The dudes by BRK The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. 7 parts 16k words Added Mar 2010 Updated 2 Mar 2016 129k views 4.7 stars (48 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Multi-abs•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Plausible Size Difference•Size Increase•Tongue Growth•Retcon•Suggestion•Brothers•Hyper Pheromones •t/t•t/t/t•t/t/t...

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

Bending the straight boys by iciss At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. 2 parts 11k words Added Jan 2008 74k views 4.7 stars (40 votes) •Cock Growth•Huge Cock•Public Orgasm•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•First Time/Virgin•Incest•Brothers•Twins•Nonconsensual change•Infectious •M/M•M/M/M

Baby brother by Shawn D. Stewart "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! 2,879 words Added Mar 2003 127k views 4.5 stars (42 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers

Alex’s gift by Will Bowden A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. 3 parts 4,345 words Added Apr 2003 41k views 4.5 stars (18 votes) •Incest•Brothers•Shapeshifting •t/t

Sam and Bolt by MaxMorphs Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. 11 parts 48k words (#75) Added Sep 2016 Updated 23 Dec 2016 83k views 3.9 stars (57 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Cum inflation•Hyper Cum•Nipple Emissions•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Infectious •M•M/M•M/M/M/...

Adam’s first growth spurt by MDS Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today. 2,350 words Added Nov 2016 56k views 4.3 stars (15 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

Daddy’s little boy by TonnyGiant Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. 2 parts 4,961 words Added Sep 2018 Updated 11 May 2019 34k views 4.7 stars (14 votes) •Huge Cock•Muscle Gut•Muscle/Strength•Plausible Size Difference•Age Difference•Incest•Father/Son•Dom/Sub •M/M

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

I think... by EdIam Larry wants to think for Zack. 12 parts 151k words (#6) Added Apr 2021 Updated 13 Aug 2022 21k views 4.2 stars (11 votes) •Other Mental Changes•Straight to Gay•Muscle/Strength•Age Difference•Incest•Brothers•Twins•Dom/Sub•Humiliation•Hypnosis•Mind Control •M/M•M/M/M

Adventures of an Ivy League himbo by iHeywood This is a story all about how Liam Montgomery became the best himbo ever while a student at an Ivy League university. 2 parts 5,749 words Added Jun 2022 13k views 4.9 stars (18 votes) •Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Male Pregnancy•Incest•Father/Son•Set in the Future•Hyper Anus •M/M•M/M/M

A little more by BRK A lonely barista makes friends with three sexy brothers, leading to a drunken night of fun where he gets a chance to make a few changes in his life. 3,282 words Added Feb 2024 2,533 views 5.0 stars (5 votes) •Cock Growth•Huge Balls•Huge Cock•Nipple Emissions•Extra digits•Multi-abs•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Multitorso•Muscle Growth•Increased Libido•Getting Handsomer•Getting Taller•Tongue Growth•Suggestion•Incest•Brothers•Merging•Complete •M/M/M/...

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

Dad’s water balloon by PumpedBalloon Your step-dad is home alone with you for the week and on the first day, you and he discover a new bond through some exploration. You discover what it's like to feel a man in your mouth as he gets bigger in more ways than one. 3,858 words Added May 2023 7,258 views 5.0 stars (14 votes) •Huge Balls•Huge Cock•Man Scent•Belly Growth•Inflation•First Time/Virgin•Father/Son •M/M

My son, the superstud by Max Mann Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him. 3,842 words Added Oct 2003 117k views 4.0 stars (36 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son •M

The elevator ride by BRK Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. 3 parts 5,689 words Added Feb 2020 Updated 12 Mar 2022 17k views 4.5 stars (36 votes) •Cock Growth•Huge Cock•Self-suck•Extra digits•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Handsomer•Getting Taller•Tongue Growth•Retcon•Suggestion•Selfcest•Bisexual•Gay Pride•Shapeshifting•X-Ray Vision•All Dialog•Complete •M/M•M/M/M

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

Frat hunting by hyperboi A pair of twins with the ability to alter themselves and the world around them have some fun tailoring one of the frats to meet their needs. 1,543 words Added Jul 2013 31k views 4.5 stars (20 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins •M/M•M/M/M/...

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

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

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

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

The awakening by Johnny M Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. 10 parts 25k words Added Jul 2012 64k views 4.7 stars (21 votes) •Hyper Cum•Nipple Emissions•Muscle Breast•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M•M/M/M/...

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

The chronicles of Besar Otot by OneLuckyGuy89 On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. 8 parts 26k words Added Jan 2020 Updated 8 May 2021 22k views 4.0 stars (3 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Gender Swap•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Age Progression•Hair Growth/Getting Hairy•Age Difference•Incest•Brothers•Father/Son•Nonconsensual change•Hyper Pheromones

Another big morning by Thatbadwriter It never fails. You’re sitting there on the living room floor with your cereal trying to watch some TV, when your dad comes down and decides Saturday morning is the perfect time to start growing and getting himself off. And then your horny brother comes home… 1,226 words Added Nov 2020 26k views 4.3 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers•Father/Son•Destruction/Violence•Complete •M

The accidental wizard by nolanspice Ken and Jay’s excursion into alchemy yields astounding results. 2 parts 2,926 words Added Jan 2006 Updated 2 Jan 2006 30k views 4.4 stars (10 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Transformation•Voice Deepening•Plausible Size Difference•Size Increase•Age Regression•Race/Ethnicity Change•Selfcest •M/M

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

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

Little bro by Ziel Hunky big bro Liam has always teased his puny kid brother Connell. But after his accident, Connell got some experimental treatments that are guaranteed to change who calls who the “little bro” from now on. 5,382 words Added Apr 2017 46k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

Male scent by Frank Easky Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. 2 parts 14k words Added Jul 2002 62k views 4.1 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Man Scent•Getting Taller•Giants•Size Increase•Age Regression•Hair Growth/Getting Hairy•Incest•Brothers•Twins•Hyper Pheromones•Infectious

A filling experience by Lionel E. Linklander Carlos has become victim to a cum-and-dump party.  He’s taken a bunch of small loads already when six men show up at the party with huge dongs and swelling balls.  Can Carlos take all the cum these men have, or will he explode like some cheap cum balloon?  3,019 words Added Aug 2023 6,590 views 4.5 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Immobility•Belly Growth•Size Increase•Inflation•Incest•Brothers•Humiliation•Complete •M/M/M/...

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

Chris olympus by FanTCMan 3 parts 9,167 words Added Dec 2002 40k views 4.5 stars (21 votes) •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son

The formula by hyperboi Mike begs his genius friend Jeff to try coming up with a cock growth formula. Jeff assumes Mike doesn’t want to look too small when he goes out for the swim team, but the secret truth is, Mike’s ambitions aren’t limited to his own junk. 4 parts 15k words Added Jan 2021 Updated 13 Feb 2021 28k views 4.9 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins •t/t•t/t/t...

Brotherly love by TheSizeKing Reece is a 20-year-old guy who has everything going for him in life: good looks, good brains, good personality, even a well-above average endowment between his legs. His younger brother, Michael, is exactly the opposite. Michael is about to turn 18, and could use a little boost before he goes out into the adult world. 5 parts 7,816 words Added Apr 2020 20k views 4.9 stars (21 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •M/t

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

My brother was a teenage muscle freak! by Pump Culture This is a story of how my muscle fetish first got started and how my brother turned himself into a true muscle freak. 3,084 words Added Nov 2020 14k views 4.6 stars (8 votes) •Muscle Growth•Muscle/Strength•Incest•Brothers

NAUGHTY by Ziel Parker has been dreading returning home for the holidays. His asshole older brother will be there, and that can only spell more misery... unless Parker gets some help from a different kind of Christmas Spirit. 8,792 words Added Dec 2023 4,496 views 4.9 stars (7 votes) •Cock Shrinking•Cock Theft•Huge Balls•Ball Growth•Huge Cock•Cock Body•Hyper Cock•Muscle Growth•Brothers•Nonconsensual change•Supernatural•Christmas •M/M

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

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

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

The box by BRK Steve gets a box of clothes from his mysterious and beautiful brother, Peter, and it turns out the clothes have an amazing effect on his already unusual body. 8 parts 30k words Added Dec 2002 Updated 7 Sep 2019 31k views 5.0 stars (14 votes) •Cock Growth•Huge Cock•Public Orgasm•Extra digits•Multicock•Multihead•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Stretchy•Getting Handsomer•Getting Taller•First Time/Virgin•Incest•Brothers•Selfcest•Witch/Warlock/Wizard •M/M•M/M/M•M/M/M/...

Damian and the three muscleteens by hyperboi 5 parts 8,170 words Added Dec 2012 58k views 4.3 stars (28 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins•Infectious

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

Super serum by Jack is Jacked Jack’s dad develops a way to grow muscles and decides his son should try it out. 1,649 words Added Mar 2023 10k views 2.9 stars (7 votes) •Cock Growth•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Father/Son•Hetero Sex•Complete •t/t•M/F

A Tale of Two Brothers: Donnie & Marco by Artotter92 Two brothers end up the unwilling subjects of their father’s science experiments, with some pretty extreme results. 3,937 words Added Jan 2023 11k views 4.1 stars (14 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Increased Libido•Gradual Change•Transformation•Voice Deepening•Forced Growth•Size Increase•Age Progression•Hair Growth/Getting Hairy•Incest•Brothers•Stories with Images •M/M

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

Massive by Alex Rif James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on. 2 parts 2,851 words Added Feb 2016 39k views 3.7 stars (17 votes) •Size Increase•Body Suit•Age Difference•Incest•Father/Son•Lycra/Spandex•Halloween•Superhero/Supervillain•Stories with Images •M/M

Coming of age by Also Known As Jerry’s nephew comes to visit him in San Francisco, and turns out to be very huge, very beautiful and very uninhibited. 4 parts 13k words Added Feb 2019 26k views 5.0 stars (19 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hairless•Incest •M/t

Boosted by West Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. 3 parts 5,429 words Added Aug 2021 Updated 4 Sep 2021 17k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•A.I.-Controlled Change•App•Incest•Brothers•Infectious•Complete

The simulated universe by Thorn A group of men play a new board game that can simulate a “universe” where they play as trailblazers and are granted boons, which could lead to a few…enhancements. 6 parts 26k words Added Jul 2023 Updated 19 Aug 2023 13k views 4.9 stars (26 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Breast•Muscle Growth•Voluptuous Men•Butt Growth•Belly Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Inflation•Age Difference•Father/Son •M/M/M

The Porter Men by Inclytos The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right? 3 parts 8,809 words Added Oct 2022 Updated 5 Nov 2022 13k views 4.7 stars (22 votes) •Cock Growth•Cock Shrinking•Huge Cock•Dom to Sub•Getting Dumber•Pec Fucking•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Increased Libido•Retcon•Incest•Brothers•Father/Son•Twins•Dom/Sub•Sex-Slave •M/M•t/t•M/t

My son is worried about his big cock by UnknownGentrifier Andy seeks his father’s advice about whether his cock really is too big, like his friends say it is. 2,194 words Added Oct 2020 11k views 3.6 stars (13 votes) •Huge Cock•Age Difference•Incest•Father/Son

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

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

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

A father and son’s inseparable bond by Salem Noctua Ezekiel finds a way to make his fraught relationship with his dad, Lucas, a little more intimate. 12k words Added Jan 2023 5,892 views 4.6 stars (28 votes) •Human to Cock•Incest•Father/Son•Nonconsensual change•Merging •M/M

Oh man by BRK A simple website called your-body-like-that dot com lets you imagine how you’d look with a whole new body. Only it doesn’t stop at imagination. 5 parts 13k words Added Jul 2010 Updated 10 Nov 2017 80k views 4.6 stars (23 votes) •Cock Growth•Huge Cock•Self-suck•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•App•Retcon•Selfcest

The Zeke chronicles by Sean Reid Scott Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger. 7 parts 28k words Added Jul 2013 Updated 19 May 2017 50k views 4.5 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Taller•Age Difference•Incest•Father/Son•Dom/Sub •M/M•M/M/M

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

Wordplay by BRK Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. 6,910 words Added Aug 2015 16k views 4.5 stars (6 votes) •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins •M/M•M/M/M

Mass X by Max Mann Five short stories of men getting bigger and sexier, through the use of “Mass X”. 5 parts 19k words Added Feb 2005 48k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Christmas•New Year’s Eve •M/M

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

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

My brother’s closet by brazboy Lauro has a secret: he has a huge crush on his big brother! But his big brother also has a secret, one he keeps deeply locked in his heart... and in his closet. 2 parts 11k words Added Apr 2023 Updated 29 Apr 2023 8,468 views 4.8 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Extra Mouths•Multi-abs•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Muscle Growth•Muscle/Strength•Man Scent•Detachable•Getting Taller•Plausible Size Difference•Size Increase•Hyper Tongue•Tongue Growth•Mouthcock•Incest•Brothers •M/M

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

Touch by BRK Kevin goes to college where his gift for making guys he likes willing to casually touch him seems to intensify just as he’s moving in with his hunky older brother. 5 parts 31k words Added Mar 2019 Updated 10 Aug 2019 25k views 4.8 stars (36 votes) •Huge Cock•Other Mental Changes•Muscle/Strength•Always Shirtless•Incest•Brothers•Complete •M/M•M/M/M

The four bananas by BRK In this surprise crossover of the “Four Jocks” and “Blue Banana” series, an underachieving young man and his three best friends get together for a night of dessert and games that will seriously change their lives. 4 parts 11k words Added Apr 2023 6,322 views 4.7 stars (7 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Hyper Cum•Multicock•Multiarm•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle Worship•Always Shirtless•Increased Libido•Hair Growth/Getting Hairy•Retcon•Suggestion•Selfcest•Superhero/Supervillain•Flying•Immortality•Shapeshifting•Complete •M•M/M/M/...

Noel’s literary gift by brazboy Luciano’s flatmate Noel decides to give him a special Christmas present: a notebook that guarantees that everything written in it is true. The notebook is as powerful as it sounds, although it also seems to be affected by Luciano’s desires and perhaps its own innate mischievousness, creating a snowball effect that twists the entire world.  3 parts 12k words Added Dec 2022 8,750 views 4.6 stars (17 votes) •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Hyper Cum•Nipple Emissions•Public Orgasm•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Straight to Gay•Muscle Growth•Public Nudity•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hyper Tongue•Tongue Growth•Retcon•Incest•Brothers•Christmas•Complete •M/M•M/M/M

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

A Barber story: The Titan Brothers by Ogrebear Two men from opposite ends of life get a world-changing haircut.  5,252 words Added Dec 2022 7,517 views 5.0 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hair Growth/Getting Hairy•Retcon•Suggestion•Incest•Brothers•Twins •M/M

Sk8r dreams by Reaver The Maker is an app that gives you the ability to remake the world around you. That means a better house, a hotter body—and it definitely means turning a few guys in your life into happy, hunky skater bois. 19 parts 59k words (#52) Added Oct 2003 44k views 4.1 stars (19 votes) •Cock Growth•Ball Growth•Huge Cock•Replication•Always Shirtless•Increased Libido•Transformation•Voice Deepening•Age Regression•Race/Ethnicity Change•App•Retcon•Selfcest•Nonconsensual change•Infectious•Mind Control

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

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

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

Sunday night at the bear bar by Tym Greene When four fellows driving home from a fishing trip run out of gas in the little town of Arkadios, they find that the local tavern is a bit...unusual. 5,665 words Added Jan 2024 1,567 views 5.0 stars (7 votes) •Self-suck•Transformation•Age Progression•Human to Animal/Anthro•Incest•Brothers•Father/Son•Anthro/Furry•Alcohol •M/M•M/M/M

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

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

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

I wanna get huge by JayPat “I wanna get huge,” he said. 2 parts 21k words Added Oct 2012 62k views 4.5 stars (26 votes) •Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Christmas•Valentine’s Day •t/t

The Red Prince by brazboy Out of a weird arrangement a cursed prince is born, one who has an uncontrollable appetite for human flesh. As his unabated hunger leads him to consume more and more men, he transforms, gaining the body of a gigantic marvelously muscular giant. Who can stop him, and what will be the consequences of trying? 2 parts 8,773 words Added Aug 2023 4,492 views 4.3 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Extra Mouths•Multi-abs•Multi-balls•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Hyper Muscle•Immobility•Muscle Growth•Gradual Change•Male Pregnancy•Transformation•Size Increase•Hyper Tongue•Tongue Growth•Incest•Brothers•Hetero Sex•Destruction/Violence•Blood•Nonconsensual change•Nonconsensual sex•Vore•Complete•Medieval(ish) •M/M•M/M/M/...•M/M/F

Alpha Mike and his alpha bro by Eric Aaldersen Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! 5,437 words Added Mar 2020 13k views 4.5 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers•Supernatural •t/t

The cum fairy by brazboy There are many mysteries under the sun, most of which will never be resolved—but a few can. Why do men always wake up hard? Why do they usually stop having wet dreams after a certain age? Why do some men snore, and others seem to drool in their sleep? The answer to all these questions is the cum fairy, a magical being which steals your nightly orgasms and gives you a small reward in exchange. 12 parts 35k words Added Nov 2022 Updated 17 Dec 2022 15k views 4.7 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Getting Taller•Plausible Size Difference•Size Increase•Incest•Brothers•Supernatural•Flying•Invisibility•Complete •M/M

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

Exotica by Hidevidence A collection of short stories set in various fantastical worlds specifically designed to facilitate incredible, absurd sexual pleasure between men.  2 parts 3,474 words Added Nov 2022 Updated 31 Dec 2022 7,621 views 4.7 stars (9 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Prehensile Cock•Always Cumming•Hyper Cum•Multicock•Replication•Other Mental Changes•Transformation•Retcon•Selfcest•Hyper Anus •M/M/M/...

Degenerate Rex by Ziel Trevor reconnects with an old classmate/FWB who was also in the lab that day. Different guys. Different sizes. Different situations that they need to deal with.  7,302 words Added Jan 2024 1,266 views 5.0 stars (1 vote) •Size Decrease•Brothers•Hetero Sex •M/M/M

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

Lust & consequences by BRK Hayden manages to gain an ability that turns beliefs into truth, but the knack for making things turn out the way he wants them to is a lot more elusive. 2 parts 6,212 words Added Feb 2022 8,928 views 4.8 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Wings•Hyper Strength•Getting Handsomer•Retcon•Suggestion•Age Difference•Incest•Father/Son•Flying•Complete•Medieval(ish) •M/M

Making the rules by EdIam Frank likes structure and rules in his home. Desmond likes corrupting families. Whatever could happen when the two meet? 2 parts 23k words Added Sep 2021 Updated 11 Sep 2021 8,749 views 3.8 stars (5 votes) •Other Mental Changes•Straight to Gay•Man Scent•Incest•Brothers•Father/Son•Humiliation•Nonconsensual change•Sex-Slave•Hyper Pheromones•Hypnosis•Mind Control •M/M•M/M/M

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

Alpha Luke releases the beast by Eric Aaldersen Luke thinks back to his first sexual encounter with a beta—in the back of a school bus! 4,905 words Added May 2020 11k views 4.7 stars (11 votes) •Huge Cock•Hyper Cum•Hyper Strength•Muscle/Strength•First Time/Virgin•Hyper Pheromones•Supernatural •t/t

An app for that by BRK That funny new phone app makes it look like you have two of whatever the camera is pointed at, but there's more to the algorithm than trick photography. 2,178 words Added Nov 2011 32k views 4.3 stars (14 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Replication•Muscle/Strength•App•Retcon•Selfcest•Complete •M/M

Max’s morning wood by TreborNawoc Max makes a bet with his equally gifted boytaur brother about the size of his morning wood—only it’s a bit tougher to estimate when the wood in question is meansured in feet rather than inches. 1,444 words Added Apr 2023 3,260 views 5.0 stars (29 votes) •Huge Cock•Hyper Cock•Extra Mouths•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Incest•Brothers •M/M

META jocks by BRK and Jockmorphr Two members of a select fraternity full of superhot, multilimbed guys semi-obliviously compare notes on how their powerful cum promotes changes in their bodies—and, it turns out, each other’s. 4 parts 7,269 words Added Aug 2009 42k views 4.5 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Retcon•Suggestion•Selfcest•Complete

Three brothers by Wawa Three brothers get infected with a digital virus that grows them to their true selves. 1,702 words Added May 2022 12k views 4.2 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Pec Fucking•Muscle Breast•Muscle Growth•Muscle Gut•Belly Growth•Giants•Size Increase•Getting Fatter•Incest•Brothers•Nonconsensual change •M/M•M/M/M

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. 13k words Added Jul 2023 3,627 views 4.3 stars (4 votes) •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/...

Metachange by LordTronimator Bullied 18-year old high school student Nathan just wants to spend his time in class doodling. But he’s always mocked for what he does. So what happens when a mysterious app suddenly shows up on his phone and promises to change things? 5 parts 8,689 words Added May 2020 Updated 13 Jun 2020 12k views 4.6 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Four Legs•Multiarm•Multileg•Multilimb•App•Incest•Brothers•Humiliation•Nonconsensual change •t/t

Seeing stars by OneLuckyGuy89 12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. 2 parts 8,520 words Added Mar 2020 Updated 30 May 2020 12k views 4.3 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Gay to Straight•Muscle Growth•Muscle Gut•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Twins•Nonconsensual change•Infectious•Merging•Superhero/Supervillain

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

Four for the game by Clearlyhere Four jocks play a body changing game. 2,962 words Added Feb 2017 22k views 4.5 stars (20 votes) •Cock Growth•Cock Shrinking•Huge Cock•Muscle Growth•Muscle/Strength•Getting Handsomer•Size Increase•Incest•Brothers•Body Swap

Matt and his dad by Meddler Incs When Matt comes home to visit his dad, he is forced into being part of The Crew. 3,343 words Added Jun 2020 16k views 4.4 stars (9 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Father/Son•Nonconsensual change•Symbiotes•Hypnosis •M/M

Nothing better than Monday oatmeal by Mask Spencer would love nothing more than to live out his idyllic life while caring for his two perfect older sons. His days are always the same, except for his devilish youngest child who always seems to be causing issues for the household. 7 parts 21k words Added Jun 2023 Updated 17 Jun 2023 8,072 views 4.6 stars (19 votes) •Always Hard•Multi-abs•Multicock•Multihead•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Multitorso•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Public Nudity•Transformation•Getting Taller•Giants•Size Increase•App•Retcon•Incest•Brothers•Selfcest•Complete •M•M/M•M/M/M•M/M/M/...

The takeover by brazboy The Carvalho lads recently lost their father, and now they have to decide whether to part away with their farm as well—a tough decision for the handsome bulltaurs, whose family had long inhabited those beautiful meadows.  2 parts 6,418 words Added Jan 2024 1,550 views 4.2 stars (6 votes) •Huge Cock•Cum Milking•Hyper Cum•Nipple Emissions•Multicock•Muscle Breast•Incest•Brothers•Nonconsensual sex•Restraints•Sex-Slave•Anthro/Furry •M/M•M/M/M

Burst by BRK In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… 3 parts 11k words Added Dec 2020 12k views 4.6 stars (13 votes) •Cock Growth•Huge Cock•Multicock•Replication•Other Mental Changes•Hyper Strength•Muscle Growth•Muscle/Strength•Always Shirtless•Stretchy•Getting Handsomer•Transformation•Getting Taller•Size Increase•Selfcest•Aliens•Christmas•Complete •M/M•M/M/M

Dickville by OneLuckyGuy89 Rodney Finnegan and his four boys arrive in a Florida marshland town named Dickville. And it doesn’t take them long to figure out how it got that name. 2 parts 5,446 words Added Apr 2022 Updated 16 Apr 2022 14k views 4.5 stars (19 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Man Scent•Butt Growth•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Father/Son •M/M•t/t

Absolute general relativity by brazboy Matias, Murilo, and Marcelo are three brothers in very different stations in life, navigating a world organized by a single universal, albeit apparently contradictory, principle—absolute general relativity. 5,999 words Added Aug 2023 2,782 views •Huge Balls•Huge Cock•Public Nudity•Incest•Brothers •M/M•M/M/M•M/t

A day in the life of a pregnant gay couple by JKL A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed. 839 words Added May 2021 8,456 views 4.5 stars (8 votes) •Always Hard•Huge Cock•Muscle Breast•Muscle/Strength•Male Pregnancy•Incest•Twins

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

Dude, look what I found! by Alex Anders Some frat bros find a genie and end up surprising the fuck out of it. 8 parts 7,567 words Added Mar 2022 Updated 31 Dec 2022 16k views 4.5 stars (12 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Prehensile Cock•Extra facial features•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitongue•Replication•Wristfeet•Straight to Gay•Public Nudity•Transformation•Size Decrease•Size Increase•Mouthcock•Selfcest•Djin/Jinn/Genie •M/M•M/M/M/...

Y-M-C-Gay by M.M.69 An ordinary guy with an extraordinary ability gets the guy of his dreams. 2,646 words Added Nov 2021 10k views 4.8 stars (14 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Extra digits•Multi-abs•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitongue•Multitorso•Replication•Straight to Gay•Muscle Growth•Public Nudity•Getting Handsomer•Gradual Change•Getting Taller•Retcon•Suggestion•Incest•Father/Son•Selfcest •M/M•M/M/M

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

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

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

Ramón the developer by BRK Ramón is used to having lusty, eyes-only encounters with the hot and hunky guys in his office, but today everything seems so much more intense, and a little eye-fucking isn’t going to be enough. 4,544 words Added Aug 2018 11k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Multiarm•Multilimb•Multipec•Replication•Stacking•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Selfcest •M/M•M/M/M

The escape by hyperboi Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all... 3,492 words Added Dec 2014 27k views 4.7 stars (22 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Nonconsensual change•Aliens

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

The power of suggestion: Wetbar by BRK A night out at the bar leads to a series of changes to a very happy young clubgoer. 2,751 words Added Feb 2009 28k views 4.9 stars (13 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Public Orgasm•Multi-abs•Multicock•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Transformation•Plausible Size Difference•Size Increase•Age Regression•Mouthcock•Retcon•Suggestion•Brothers•Twins•Selfcest•Complete •M/M/M

The lost temple of Shar’hradar by Charvolth A ribald fantasy of sword and sorcery in a D&D setting, with physically enhanced characters and a bit of sex thrown in. 4 parts 12k words Added Jun 2005 Updated 19 Aug 2016 13k views 4.8 stars (4 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Size Increase•Incest•Twins•Witch/Warlock/Wizard•Fantasy Realm •M/M

The right settings by RoidTeen Ben finds an app and starts to play with it.  2,685 words Added Mar 2023 9,270 views 4.8 stars (18 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Muscle•Muscle Breast•Muscle Growth•App•Retcon•Father/Son•Complete •M/M•M/M/M

Triple threat by Thorn Lovers in a newly-formed polyamorous relationship are about to have their lives changed when the youngest member of the relationship introduces them all to a new miracle serum meant to enhance men.  2 parts 16k words Added Sep 2023 Updated 9 Sep 2023 5,973 views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Father/Son•Nonconsensual change •M/M/M

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

Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts 9,393 words Added Nov 2013 29k views 4.4 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Nonconsensual change•Vampires•Werewolves•Halloween •M/M

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

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

My big brothers… by brazboy Pedro’s family is unique, especially his big brothers, and he is not at all ashamed of boasting about them to his mates. When they don’t believe him, he is more than willing to invite them over for an unforgettable weekend. 4 parts 12k words Added Nov 2023 2,515 views 5.0 stars (1 vote) •Always Hard•Huge Balls•Huge Cock•Nipcocks•Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Always Shirtless•Plausible Size Difference•Mouthcock•Incest•Brothers •M/M•M/M/M/...

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

Ah! my god by Josh Arima A short and much less awkward alternative story inspired by the manga/anime Oh My Goddess. 4,325 words Added Jun 2005 34k views 4.7 stars (13 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Transformation•Inflation•Selfcest

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

My brother’s boyfriend by Richard Jasper Hunky, straight Marine Kyle is gobsmacked to find out that his bigger, hotter baby brother has an even bigger, hotter boyfriend! 5 parts 8,843 words Added Feb 2020 19k views 4.2 stars (14 votes) •Huge Balls•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Hyper Pheromones

Alien tormentors by James Fourlegs Unseen aliens juice the daylights out of their captives. 1,004 words Added Dec 2004 24k views 4.3 stars (6 votes) •Huge Cock•Multicock•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Muscle/Strength•Selfcest•Aliens

No angels by BRK Jerry likes his job covering the front desk alone overnight at a nice hotel, especially when a handsome customer checks in and piques his imagination. 5,202 words Added Oct 2023 2,993 views 4.5 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Multicock•Multileg•Multilimb•Three Legs•Muscle Growth•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•Retcon•Incest•Brothers•Twins•Nonconsensual change•Invisibility•Complete •M/M

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

Me two by BRK Chris has some time off from his celluloid heroics as an A-list movie star and is going through fan mail when he finds a joke twin-making machine. Amused, he tries it out, with… unexpected results. 2,725 words Added Jan 2021 5,414 views 5.0 stars (16 votes) •Multicock•Multihead•Multileg•Multilimb•Three Legs•Multipec•Replication•Incest•Twins•Selfcest•Merging•Complete •M/M

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

The transform center by Zboro Seb gets ahold of a business card for a strange place called Transform Center, after hearing a stranger at the gym talk about how big he’d gotten. Can it be for real? And what was all that about fantasy creatures? 7 parts 28k words Added Jul 2017 Updated 29 Sep 2017 24k views 4.5 stars (11 votes) •Huge Cock•Hyper Cock•Multi-balls•Multicock•Multiarm•Multilimb•Six Legs•Replication•Wings•Muscle/Strength•Transformation•Voice Deepening•Human to Animal/Anthro•Selfcest•Anthro/Scaly•Dragons•Flying •M/M

Twinning by BRK Barry is excited to meet Will’s twin brother. Then he realizes that they can’t just be twins. 3 parts 10k words Added Oct 2002 15k views 4.5 stars (13 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Self-suck•Extra digits•Multicock•Replication•Muscle Growth•Getting Taller•Tongue Growth•First Time/Virgin•Selfcest•Complete •t/t/t

Days & Knights by iHeywood Bash wants to surprise his family by coming home from college for Thanksgiving early. But he gets a surprise himself. His dad is sucking his own massive cock. 3 parts 9,852 words Added Apr 2022 Updated 28 May 2022 11k views 4.7 stars (35 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Age Difference•Incest•Father/Son•Thanksgiving •M/M•M/M/M

Home for the holidays by BRK Leandro finds himself unexpectedly uninvited from his boyfriend’s family holiday shindig, leaving him stranded and lonely in a Christmas-bedecked town in the middle of nowhere. 3 parts 6,102 words Added Dec 2021 5,337 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Size Increase•Mouthcock•Selfcest•Supernatural•Christmas•Complete •M/M•M/M/M/...

Dragon’s Horde: Lowered into the drink by STrRedWolf Be careful what you drink, because you may become the monster of your dreams before paying the price... your bar tab. 1,605 words Added Oct 2017 11k views 4.0 stars (1 vote) •Huge Cock•Hyper Cock•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle/Strength•Giants•Selfcest•Symbiotes•Anthro/Furry•Alcohol

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

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

Taste the rainbow by OneLuckyGuy89 Luke, Josh and Matt are called to New Orleans by their old friend, Jeremy. Luke’s 21-year-old son joins them, excited to be able to drink. The bar is known for making beer with fresh fruit in it, but little do they know the side effects they’re about to experience. 2,497 words Added May 2023 6,361 views 4.6 stars (11 votes) •Cock Growth•Ball Growth•Huge Cock•Muscle Growth•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Incest•Father/Son•Complete •M/M•M/M/M•M/M/M/...

Opportunities and escalations by BRK Brothers Coren and Pranam are diverted from their usual slightly roguish pursuits by an accidental teleport to a highly secure space station. Facing potentially dire accusations, Coren’s pilfering skills put them in possession of a device that might just alter the balance of things—and give Coren a chance to indulge in a bit of mischief aimed at his attention-loving brother. 2,564 words Added Apr 2023 2,550 views 5.0 stars (2 votes) •Cock Growth•Huge Cock•Replication•Public Nudity•Mouthcock•Incest•Brothers•Selfcest•Nonconsensual change•Space Travel•April Fool’s Day •M/M

Brother’s closet by Josh Dugan A handsome athletic older brother offers somewhat more than expected. 962 words Added May 2002 24k views 4.5 stars (11 votes) •Lots of Legs•Multileg•Multilimb•Replication•Detachable•Incest•Brothers•Selfcest •t/t

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 4,901 words Added Sep 2021 8,591 views 3.0 stars (1 vote) •Replication•Butch-to-Fem•Other Mental Changes•Muscle Growth•Getting Handsomer•Transformation•Age Regression•Retcon•Twins•Selfcest•Nonconsensual change •M/M/M•NS

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

Part of the pack by Cockatrice Colin managed to date the perfect boyfriend and has been invited to visit his date’s frat. A secret and an offer await. 5,228 words Added Nov 2022 2,241 views 4.4 stars (5 votes) •Replication•Selfcest•Shapeshifting•Complete •M/M•M/M/M

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

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

The long weekend by BRK Bill thinks he’ll have the family lake house to himself for an end-of-summer four-day weekend. Unfortunately, that’s news to his cocky and annoyingly hot big brother and his two bro-hunk friends, who turned up with their own plans to hole up in the cozy lake house digs. 4,147 words Added Oct 2022 5,803 views 4.4 stars (5 votes) •Cock Shrinking•Huge Cock•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Straight to Gay•Muscle Growth•Always Shirtless•Getting Taller•Retcon•Suggestion•Incest•Brothers•Nonconsensual change •M/M/M/...

Perfectly normal by EdIam John is working on reality-bending science… but perhaps he should vet his employees a little more carefully. 8,364 words Added Jan 2021 8,239 views 4.6 stars (17 votes) •Always Hard•Other Mental Changes•Straight to Gay•Always Shirtless•Retcon•Incest•Brothers•Father/Son•Nonconsensual change

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

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

The rent boy who saved Christmas by BRK Cody and his extra-large cock have a premium gig going, until a few random words to the wrong person turn him into the magical nephew of a very real supernatural being—and this year, Uncle Kris needs his help. 2 parts 8,386 words Added Dec 2022 4,920 views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Size Increase•Retcon•Selfcest•Merging•Supernatural•Christmas •M/M•M/M/M•M/M/M/...

Misdirected by BRK Ben doesn’t realize at first exactly why his annoying older brother’s secret rituals to make himself bigger and stronger are going wrong, only that he feels pretty strange himself lately. 6 parts 5,664 words Added Oct 2009 37k views 4.8 stars (20 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Size Increase•Incest•Brothers

Vivid by BRK Alex sees a new neighbor moving in and lets his imagination build him up to new levels of sexiness. 3,576 words Added Nov 2022 6,111 views 4.9 stars (8 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Muscle Growth•Muscle/Strength•Getting Handsomer•Gradual Change•Getting Taller•Plausible Size Difference•Mouthcock•Incest•Brothers•Triplets•Complete •M/M•M/M/M/...

Zero hour by Meddler Incs 2,345 words Added Mar 2012 13k views 4.6 stars (5 votes) •Replication•Selfcest•Anthro/Furry

Homeward by BRK Getting home by teleport is tough enough, but it's even more of a hassle when the teleporter is malfunctioning and doesn’t register that you’ve already been reconstructed on the other side. 1,912 words Added Dec 2002 9,842 views 5.0 stars (4 votes) •Replication•Getting Taller•Selfcest•Merging•Space Travel•Set in the Future •M/M•M/M/M•M/M/M/...

Banned clones by Josh Dugan How might a man and his clone get to really know each other? 1,283 words Added Mar 1997 11k views 4.8 stars (5 votes) •Replication•Selfcest

The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts 7,238 words Added Apr 2012 42k views 4.7 stars (9 votes) •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Decrease•Size Increase•Race/Ethnicity Change•Suggestion•Incest•Brothers•Dom/Sub

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

Dig’s island by BRK Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways. 4 parts 3,756 words Added Mar 2005 26k views 4.3 stars (9 votes) •Cock Growth•Huge Cock•Multiarm•Wings•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Flying•Complete•19th Century •M/M/M/...

The Halloween costume by frooooooo A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? 2,220 words Added Oct 2012 20k views 4.6 stars (16 votes) •Incest•Brothers•Merging•Halloween •M/M

17 inches by Unknown You’ve probably heard about me. The guy with the 17-inch cock. Let me tell you what that’s like, for me and those closest to me. 3,639 words Added Mar 2009 86k views 4.4 stars (22 votes) •Huge Cock•First Time/Virgin•Incest•Brothers •M/M

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 15k words Added Feb 2003 31k views 3.2 stars (21 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Age Difference•Incest•Father/Son•Twins•Destruction/Violence •M/t

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

Beyond Marrakech by brazboy What lies beyond Marrakech, gateway to the inhospitable Sahara? There lie lush green oases amidst the endless sand, made possible and populated by an unusual variety of men, their society, their rules and rulers. 6 parts 10k words Added Feb 2023 4,551 views 4.8 stars (9 votes) •Always Hard•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Muscle/Strength•Public Nudity•Increased Libido•Giants•Plausible Size Difference•Age Difference•First Time/Virgin•Incest•Brothers•Dom/Sub•Sex-Slave•Medieval(ish) •M/M•M/M/M/...

Wrappers by BRK I’m a little oblivious sometimes, but when you walk into class and all your students look like the same young and hunky actor, you start to get a clue that something is up. 3,401 words Added Jul 2005 14k views 4.2 stars (9 votes) •Cock Growth•Huge Cock•Multicock•Replication•Transformation•Getting Taller•Selfcest•Complete

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

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

Dana gets wired by FanTCMan A bit of software, a few connections, and you can enjoy making someone into a whole new man—especially if you have the right recruits to start with. 3 parts 11k words Added Jul 2002 24k views 4.4 stars (10 votes) •Muscle Growth•Muscle/Strength•Voice Deepening•Incest•Father/Son •M/M

Double dream feat by Ziel Aidan awakes from a surprisingly realistic dream to find things aren't quite how he remembered them. For starters, his dingy dorm room has been replaced with a reasonably sized apartment… an apartment he seems to share with his best friend. But stranger things are in store for Aidan as the morning unfurls. 4,723 words Added Jun 2018 9,832 views 5.0 stars (6 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Replication•Selfcest •M/M•M/M/M/...

Have yourself a megalithic Christmas by Ziel A sort of sequel/follow up/spin off to “A Miracle on 69th Street”. This time the story focuses on Calvin, a down on his luck dude who has long suffered under his overbearing and outright mean-spirited older brother, but all that’s about to change. It’s Calvin’s turn to be the “big” brother in every sense of the word. 8,115 words Added Dec 2016 14k views 3.6 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Giants•Size Increase•Incest•Brothers•Christmas

An unexpected party by TheLegendOfSam Fashion model Zeke gets more than he bargained for at the agency’s annual Halloween party, this year hosted at one of the summer homes of his new billionaire colleague, and finds a whole new meaning for the phrase “sexy costume”… 2 parts 4,699 words Added Oct 2020 6,119 views 4.5 stars (4 votes) •Extra facial features•Multi-abs•Multicock•Multihead•All Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitorso•Replication•Selfcest•Merging•Aliens•Centaurs•Mermen•Supernatural•Halloween

Lockdown gym by BRK When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. 3,110 words Added Apr 2021 14k views 4.7 stars (21 votes) •Always Hard•Cock Growth•Huge Cock•Replication•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Getting Handsomer•Gradual Change•Getting Taller•Age Difference•Incest•Brothers•Twins•Selfcest•Complete•Set during the Pandemic •M/M•M/M/M/...

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

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

Weho adventure by FanTCMan The only thing hotter than seeing the amazing bodybuilder Steve Reilly was the possibility of catching his eye. 11k words Added Feb 2003 16k views 4.7 stars (12 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Size Increase•Hair Growth/Getting Hairy

Vacation by muscle.growth Just a simple vacation sleepover with Matt, Alan, and Alan’s dad working on something weird in his basement lab. 1,860 words Added Feb 2009 22k views 4.7 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Father/Son

The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts 3,678 words Added Jan 2006 16k views 4.7 stars (7 votes) •Replication•Incest•Twins•Selfcest•Bisexual •M/M

The maturing ceremony by brazboy Out of all the sacred moments in a lad’s life, none is more amazing and important than his maturing ceremony. Dinis will, led by his own older brother, find in it the chance to become an improved version of his hunkish self. 3,858 words Added Sep 2023 2,485 views 4.4 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Public Orgasm•Extra Mouths•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Multitorso•Stacking•Muscle Growth•Transformation•Incest•Brothers•Complete •M/M/M/...•M/t

Sensational summer growth by OneLuckyGuy89 Todd and Aaron return home to their hometown of Portland as changed men. Now it’s time for them to change the rest of the town. 3 parts 8,409 words Added Apr 2022 Updated 7 May 2022 15k views 5.0 stars (3 votes) •Cock Growth•Multicock•Straight to Gay•Muscle Growth•Man Scent•Butt Growth•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M

You and I: The restaurant by Also Known As Another dual perspective between a man with godlike powers and a man who seeks him out, this time leading to audacious transformations right in the middle of a busy restaurant. 2 parts 9,831 words Added Jul 2016 15k views 4.6 stars (8 votes) •Cock Growth•Huge Cock•Replication•Muscle Growth•Muscle/Strength•Public Nudity•Size Increase•Suggestion•Selfcest

The four jocks: Online edition by BRK A futuristic all-virtual version of the game leads to transformations in their already-tweaked full-body avatars, which they’re able to experience in the VR space as if they were their real bodies. 3 parts 7,582 words Added Jul 2012 20k views 4.6 stars (8 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multilimb•Multitorso•Replication•Muscle Growth•Muscle/Strength•Mouthcock•Incest•Brothers•Selfcest•Complete •M/M•M/M/M/...

The deputy by BRK Checking out an abandoned property far from anywhere, a sheriff’s deputy discovers that the previous owner didn’t leave by conventional means—and he left behind something that will change the deputy’s life in a most unexpected way. 4,075 words Added Aug 2021 4,282 views 5.0 stars (3 votes) •Replication•Selfcest•Witch/Warlock/Wizard •M/M

His last hypnosis show by EdIam Paul has decided to put his long career as a hypnotist to bed… along with many of the new local men he’s meeting. 3 parts 11k words Added Mar 2022 4,959 views 4.3 stars (4 votes) •Straight to Gay•Public Nudity•Suggestion•Age Difference•Incest•Father/Son•Sex-Slave•Hypnosis•Mind Control •M/M

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

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

Target practice by Cris Kane Jake and Mark spot a pedestrian who would make a nice addition to the frat. 1,635 words Added Nov 2019 7,288 views 3.3 stars (3 votes) •Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Transformation•Incest•Twins•Selfcest•Nonconsensual change

Coffee date by BRK Jeremy gets dragged to a blind date at a coffeehouse that seems to have an inexplicable effect on Jeremy’s body. 2,014 words Added Aug 2020 6,338 views 4.7 stars (7 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Multihead•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitorso•Replication•Stacking•Retcon•Selfcest

A day at the beach by Three-Legged Dude Three guys have the recipe for the best kind of afternoon: a sunny day, a nice beach, a little stretchy potion in the drinks… 726 words Added Apr 2003 18k views 3.4 stars (9 votes) •Multihead•Multilimb•Stretchy•Detachable

Jocktaur pledge by BRK High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. 4,791 words Added Sep 2020 5,178 views 5.0 stars (7 votes) •Cock Growth•Huge Cock•Boytaur•Four Legs•Multileg•Multilimb•Incest•Twins•Complete •M/M•M/M/M

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

Twin studs by Anonymous 3 parts 43k words (#91) Added Jul 2014 19k views 4.1 stars (23 votes) •Huge Cock•Multicock•Multiarm•Multilimb•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins

Wormholing by BRK Corey has a secret ability to pull objects through space from one place to another. He doesn’t ever want his lover, Will, to find out, until one day he faces a temptation he’s increasingly unable to resist. 4 parts 14k words Added Sep 2022 Updated 16 Sep 2023 4,135 views 4.9 stars (14 votes) •Replication•Selfcest•Witch/Warlock/Wizard •M/M

Quite the party by Josh Dugan One of the more creative Halloween parties brings surprise after surprise. 4 parts 3,539 words Added Oct 2019 Updated 7 Dec 2019 6,790 views 3.9 stars (8 votes) •Huge Cock•Multicock•All Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Muscle/Strength•Selfcest•Centaurs•Naga•Halloween•Alcohol

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

The interrogator by ed I’m a consultant for local law enforcement, with a unique ability to get the info they need. 3,187 words Added Jun 2021 5,999 views 5.0 stars (10 votes) •Huge Cock•Straight to Gay•Muscle/Strength•Muscle Worship•Voice Deepening•Dom/Sub•Nonconsensual change•Mind Control

The list by brazboy There are two lists every college freshman wants to top: one is that of students accepted into their preferred university; the other one is just known as ‘the list’. 2 parts 8,100 words Added Oct 2022 5,992 views 3.9 stars (9 votes) •Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle/Strength•Public Nudity•Plausible Size Difference•Brothers •M/M

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

Family values by FanTCMan Visiting his brothers in California leads to surprise after surprise, starting with their being much bigger than they had been before... 1,448 words Added Jul 2014 31k views 4.0 stars (32 votes) •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

Ultimate muscle by Ultra-Muscle Philip gets injected with what he wants most—something that will make him a big muscle man like his dad. 1,418 words Added Dec 2013 30k views 3.8 stars (8 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son

Desire baubles by Writ Bro Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. 3,034 words Added Dec 2019 7,046 views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Twins•Christmas •M/M

Changes and multiplicities by GDS A young man with the ability to change or become other things, even multiple other things, shares a stream-of-consciousness narrative about how it feels and what he’s experienced. 1,027 words Added Jul 2023 2,177 views 2.3 stars (8 votes) •Human to Cock•Replication•Transformation•Selfcest•Shared Body •M

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

The Risktaker by BRK Cassidy is determined to prove his favorite superhero, the two-headed badass known as the Risktaker, can and should be made into a movie, even if he has to break into his animation studio after hours and do the rendering on the model prototype himself. 2,714 words Added Aug 2021 4,454 views 4.7 stars (7 votes) •Multihead•Replication•Muscle Growth•Getting Handsomer•Voice Deepening•Getting Taller•A.I.-Controlled Change•App•Selfcest•Superhero/Supervillain•Complete •M/M

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

The first Noël (and the second, and the third) by BRK Zac gives a hand to a couple of sexy strangers a week before Christmas, and is astonished to receive a generous stroke of goodwill in return a few days later. 2 parts 5,969 words Added Dec 2023 1,562 views 4.8 stars (6 votes) •Huge Cock•Extra digits•Multi-balls•Multicock•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Increased Libido•Detachable•Brothers•Twins•Androids/Cyborgs•Christmas •M/M•M/M/M

Suggestions by Jack the Mindbender Jack is surprised by how quickly his hot stepfather goes from a closed book to jerking off right in front of him… 2,749 words Added Dec 2018 12k views 4.4 stars (10 votes) •Huge Cock•Suggestion•Age Difference•Incest•Father/Son•Mind Control •M/M

The Wizard of Hot by hyperboi A young man’s difficult life on a struggling Kansas farm takes a sudden turn when a cyclone appears, taking him and his brother far from home to another place altogether. 10 parts 39k words (#98) Added Apr 2021 Updated 31 Jul 2021 19k views 4.6 stars (16 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Muscle/Strength•Detachable•Giants•Plausible Size Difference•Size Increase•Incest•Brothers•Anthro/Furry•Witch/Warlock/Wizard•Fantasy Realm•Supernatural •M/M/M•t/t

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

Dupli-Days: Valentine’s Day by TwinReplica This story follows Parker, a single guy on Valentine’s Day whose wish to be with his true love (himself) comes true! 2 parts 4,998 words Added Aug 2022 2,265 views 4.3 stars (8 votes) •Replication•Selfcest•Valentine’s Day •M/M•M/M/M•M/M/M/...

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

Free upgrade by BRK A harried traveler on a multi-leg international trip starts getting free upgrades every time he tries to get his seat assignment, and they aren’t just to his cabin class. 1,746 words Added Jun 2019 8,609 views 4.9 stars (16 votes) •Multicock•Multiarm•Multileg•Multilimb•Three Legs•Replication•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Selfcest•Nonconsensual change•Complete •M/M•M/M/M

Photo stash by BRK Jerking off while baked can lead to unpredictable results. 1,801 words Added Jun 2021 6,730 views 4.2 stars (10 votes) •Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Muscle Growth•Getting Taller•Hair Growth/Getting Hairy•Selfcest•Complete•Cannabis •M/M•M/M/M

To a tee by Cris Kane Teddy is amazed to see how much his older brother has grown since going away to college. 2,189 words Added Dec 2019 11k views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Incest•Brothers

A true Villanueva by Architect of Men Austin knows his adopted family of Latino hunks truly loves him, but he can’t help feeling like he doesn’t quite belong. Fortunately, Dad Miguel always knows how to make things better. 1,251 words Added Jan 2022 5,731 views 4.8 stars (11 votes) •Muscle Growth•Race/Ethnicity Change•Hair Growth/Getting Hairy•Incest •M/M

In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies.  2 parts 16k words Added Mar 2023 Updated 17 Jun 2023 9,238 views 4.6 stars (11 votes) •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Incest•Brothers•Twins•Selfcest•Dildos/Toys•Set in the Future •M/M/M

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

The four jocks: At the lake by BRK When Dane and his brother Sean go on a celebratory road trip after finishing college, Sean's best friends, the Fernandez twins, naturally tag along. But their trip takes a strange turn right out of the gate, not least thanks to a game the guys find in their room at the lakeside bed and breakfast. 5,950 words Added Jul 2017 14k views 4.5 stars (15 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins•Complete •M/M•M/M/M/...

Michael and jim by Your Name Here 1,317 words Added Jul 2006 24k views 2.9 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

Metacafé by brazboy In a special corner of the city, unknown to most, there’s a place visited by a special crowd. 5,754 words Added Jun 2022 4,431 views 4.9 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Getting Taller•Size Increase•Brothers•Twins•Metabods 25 •M/M

The new associate by Tym Greene Zhu is looking forward to his first day a new architectural firm, sure the way he grows—and makes other people grow just from being around him—will make things very interesting. 3 parts 13k words Added May 2015 Updated 12 Dec 2020 40k views 5.0 stars (2 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Public Nudity•Size Increase•Tongue Growth•Father/Son•Anthro/Furry •M/M•M/M/M

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

Twisted fates by BRK A bored chaos god decides to play a little prank on two urbex buddies wandering through his former home. 5,003 words Added Apr 2022 9,882 views 4.8 stars (15 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Replication•Straight to Gay•Muscle Growth•Stretchy•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Retcon•Suggestion•Selfcest•Nonconsensual change•Supernatural•Invisibility•Complete •M/M•M/M/M

Company guys by FanTCMan You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. 2 parts 7,919 words Added Dec 2002 36k views 4.6 stars (11 votes) •Cock Growth•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son

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

My roommate’s soft spot by brazboy Guilherme’s tall, handsome, and muscular roommate seems like the perfect guy, but he has a big secret that not everyone can really accept—not even himself. 5 parts 14k words Added Jul 2021 Updated 31 Jul 2021 7,792 views 4.8 stars (9 votes) •Huge Cock•Multicock•Mouthcock•Incest•Brothers

Professor Magnus’s independent study by BRK Jake, a self-taught student of transformation magic, is invited to come and meet with Professor Magnus—but the hypnotically sexy boytaur prof is just as intrigued by Jake. 3,004 words Added Feb 2017 8,771 views 4.6 stars (9 votes) •Huge Cock•Nipcocks•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Muscle/Strength•Getting Taller•Selfcest•Witch/Warlock/Wizard•Complete

Two brothers by Richard Jasper Will and Chris are brothers, four years and one week apart. They’ve always been close but then Will persuades his parents to buy him a weight set and their true love—muscle—is unleashed! This story has two endings, “No, They Don’t” and “Yes, They Do” (make of that what you will!). 7 parts 7,269 words Added Oct 2020 6,777 views 5.0 stars (2 votes) •Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers

The reform party by NBCK99 Will attends a gathering that turns out to be devoted to some radical transformations, where the invitees have sexual desires that can’t be fulfilled in the real world and long for their roleplay fantasies to be made real in ways even they don’t expect. 2 parts 8,602 words Added Sep 2016 Updated 14 Oct 2016 20k views 4.3 stars (10 votes) •Cock Growth•Huge Cock•Human to Cock•Hyper Cock•Multicock•Multihead•Multiarm•Multileg•Multilimb•Replication•Muscle Growth•Muscle/Strength•Detachable•Size Decrease•Size Increase•Selfcest•Merging

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

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

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

Princely duel by brazboy Haakon, First Prince of Niege, and Jarl, First Prince of Sneuve, have an escalating rivalry which is rocking all the Court of Lads. The ruler and master of the Court of Lads, amazing hunk Karl of Grenania, however, has a deep understanding of the situation and commands a solution a final settlement between the overmuscled twunks: a naked duel, in front of all the nobility. 6,591 words Added Sep 2023 2,000 views •Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle/Strength•Plausible Size Difference•Incest•Brothers •M/M

Beyond contact by BRK The trick to contacting aliens turns out to be sending only your mind. What you look like when you get there, though, isn’t quite what you’re used to. 3 parts 1,437 words Added Jun 2003 18k views 3.3 stars (9 votes) •Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Replication•Selfcest•Aliens•Space Travel•Complete •M/M•M/M/M/...

Overshadowed by Cris Kane Jealous of his jock older brother, gay misfit Lance gets a magical chance to change things. 2,658 words Added Apr 2019 8,454 views 2.6 stars (7 votes) •Other Mental Changes•Straight to Gay•Transformation•Incest•Brothers

Space clones by Josh Dugan A brilliant cousin, like his spaceship, is full of himself, but there's room for one more. 2,338 words Added Nov 1998 9,182 views 4.2 stars (9 votes) •Four Legs•Multiarm•Multilimb•Replication•Selfcest•Space Travel•Set in the Future

Spectrum by BRK A technologically souped up revolving door that produces changed versions of the person passing through is not a good thing when you’re dead on your feet and not paying attention. 1,530 words Added Sep 2009 8,282 views 4.0 stars (3 votes) •Replication•Selfcest

Boytaurs from Outer Space! by BRK Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. 6 parts 13k words Added Jun 2015 Updated 14 Oct 2016 16k views 4.4 stars (16 votes) •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins•Aliens•Space Travel •M/M•M/M/M•M/M/M/...

A day at the beach by Thatbadwriter You watch in dismay and amazement as your father, who’s gained the ability to grow himself to giant size in a freak medical accident, takes a trip to the beach with you and decides to make himself bigger than he’s ever tried to become before. 1,624 words Added Aug 2019 14k views 4.1 stars (17 votes) •Huge Cock•Hyper Cock•Giants•Size Increase•Age Difference•Incest•Father/Son•Destruction/Violence

Boytaur retreat by Josh Dugan David's asceticism causes not only his own body to blossom but the bodies of those around him. 1,409 words Added Sep 2005 9,343 views 5.0 stars (1 vote) •Boytaur•Multilimb•Replication•Wristfeet•Selfcest

Too many by BRK Zack can avoid generating a new, super-sexy clone as long as he doesn’t fall asleep in daylight. Unfortunately, that’s not always as easy as it sounds. 1,663 words Added Jul 2010 19k views 4.6 stars (7 votes) •Extra digits•Multitongue•Replication•Selfcest •M/M•M/M/M

Mr. Rainbow Hair by iHeywood In this one-shot story, the lead singer of a gay pop/punk band meets a twink at a concert. They end up fucking. 3,220 words Added Sep 2022 3,555 views 4.5 stars (11 votes) •Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Incest•Brothers•Twins •M/M•M/M/M

Body game: Encounter 813 by BRK Reggie isn’t sure why the team-building get-together for the web design firm he’s working for is being held at an abandoned mall; he just knows he can’t get his sexy boss out of his mind. 9 parts 49k words (#73) Added May 2016 Updated 12 Jun 2021 41k views 4.9 stars (30 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Stretchy•Foot Growth•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Hyper Tongue•Tongue Growth•Mouthcock•Incest•Brothers•Selfcest •M/M•M/M/M

Me and my big brother by Elliott Corbett Kameron experiences a magical summer with his big brother, Kyle. 2,799 words Added Dec 2021 4,871 views 4.8 stars (8 votes) •Incest•Brothers •M/M

Metaboi: Kieran by BRK At restaurant where he works, Kieran finds a package of left-behind clothes from a store he’d never heard of called Metaboi. 5,489 words Added Jan 2014 13k views 4.8 stars (5 votes) •Multicock•Multiarm•Multilimb•Replication•Retcon•Selfcest

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. 1,423 words Added May 2015 21k views 3.0 stars (5 votes) •Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Incest•Brothers•Twins

The night shift by Dreamtransformer 1,239 words Added Dec 2013 14k views 2.0 stars (2 votes) •Muscle/Strength•Age Difference•Incest•Father/Son

Mito-Spa: Doumit by TwinReplica Doumit checks in for an appointment at the Mito-Spa, a place where the baths create double the trouble... 1,591 words Added Aug 2022 3,016 views 5.0 stars (3 votes) •Cock Growth•Huge Cock•Replication•Hyper Strength•Selfcest •M/M/M/...

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

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

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. 5,297 words Added Aug 2021 4,202 views 4.0 stars (2 votes) •Other Mental Changes•Muscle/Strength•Public Nudity•Belly Growth•Transformation•Twins•Anthro/Furry

The runner by LenZelig Jake is out for a morning run when he meets up with someone who is more than a man and looking for a different kind of exercise. 8,270 words Added Jun 2020 9,927 views 4.8 stars (4 votes) •Huge Cock•Straight to Gay•Muscle/Strength•Suggestion•Age Difference•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub

Snow in the North Pole by iHeywood Snow doesn't know what to do with his life after barely graduating high school. Maybe Santa will have an idea. 1,255 words Added Dec 2022 2,591 views 4.3 stars (6 votes) •Huge Cock•Incest•Brothers•Father/Son•Christmas •M/M•M/M/M

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

2525 Doubled Lane by TwinReplica After a long search, Lane has finally found his dream home, but finds there may be more to the house’s technology than meets the eye. 2 parts 6,940 words Added Jan 2022 2,826 views 5.0 stars (9 votes) •Replication•Selfcest•Metabods 25 •M/M•M/M/M/...

Brother dear by MsclGuy 766 words Added Jul 2002 29k views 3.9 stars (8 votes) •Muscle/Strength•Incest•Brothers

Boytaur cream by Josh Dugan Guess what happens when you use this stuff. 2 parts 2,789 words Added May 2001 15k views 4.5 stars (2 votes) •Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Wristfeet•Selfcest

Chat transcript: More than plenty by BRK Two guys chatting about extras end up giving each other the works. 2,780 words Added Nov 2014 8,634 views 5.0 stars (7 votes) •Multicock•Multilimb•Replication•Size Increase•Selfcest•Infectious•All Dialog •M/M

Many hands massage by The Gecko Rose Handsome masseur Raph uses a variety of skills and techniques to give you the best massage possible. 5 parts 14k words Added May 2022 Updated 4 Jun 2022 4,862 views 4.8 stars (27 votes) •Cock Growth•Self-suck•Extra digits•Multi-abs•Multicock•Multihead•Multiarm•Multileg•Multilimb•Replication•Stretchy•Detachable•Selfcest•Shapeshifting •M/M

Wrap your arms around me by NBCK99 Bruce loves being touched so much that his lover’s hands just aren’t quite enough—until they meet a cocky stranger named Jackson. 3,961 words Added Oct 2014 11k views 4.7 stars (15 votes) •Huge Cock•Multiarm•Multilimb•Multipec•Replication•Stacking•Selfcest •M/M•M/M/M

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

Twin workout by pkak2k12 Mr. Average Charlie joins the gym only to find the only other early customers are Hank, the strong silent hunk from class and his twink twin, Jamie. Which will Charlie go for—Hank, Jamie, or both? 5 parts 6,612 words Added Nov 2022 Updated 7 Jan 2023 6,484 views 4.5 stars (8 votes) •Huge Cock•Muscle/Strength•Incest•Brothers•Twins•Complete •M/M/M

College town by James Fourlegs A randy warlock remains circumspect about having turned the whole town into a herd of boytaurs. 945 words Added May 2002 13k views 4.2 stars (6 votes) •Multicock•Boytaur•Multilimb•Replication•Wristfeet•Incest•Twins•Selfcest

Triple trouble by Tommyhawk An accident turns lab assistant Val into Val-1, Val-2, and Val-3. 4,868 words Added Jan 2006 9,630 views 5.0 stars (14 votes) •Replication•Selfcest •M/M/M

Island duty by Bud Boytaurbody The magical natives at the neighboring island drape your shoulders not with a flowered lei but something way different. 4 parts 7,363 words Added Jun 2005 Updated 30 May 2020 14k views 4.7 stars (3 votes) •Lots of Legs•Multiarm•Multilimb•Multipec•Replication•Stacking•Detachable•Selfcest•Centaurs •M/M

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

Spin the bottle by EdIam Matty lives in a pretty homophobic area with pretty homophobic friends, but maybe a magically-enhanced game of spin the bottle can help loosen them up? 9,825 words Added Aug 2021 5,752 views 3.8 stars (5 votes) •Huge Cock•Straight to Gay•Incest•Father/Son•Dom/Sub

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

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

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

Robby’s new legs by Josh Dugan All for love, this crazy young kid bi-locates and grows more of everything, but it gets out of control. 9 parts 7,589 words Added Jan 2006 Updated 22 Aug 2020 11k views 4.4 stars (5 votes) •Extra digits•Lots of Legs•Multilimb•Replication•Wristfeet•Detachable•Selfcest •M/M

The four jocks: Horny teens by hyperboi 3 parts 7,484 words Added Apr 2014 35k views 4.7 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Multicock•Boytaur•Four Legs•Multiarm•Replication•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Selfcest

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

The meteor shower by AGammer When the meteor shower hits his farm, it has an unexpected effect on the teenaged, and very horny, William: a gift of changing himself and, as it turns out, his equally horny brother. 2 parts 2,738 words Added Jan 2013 14k views 3.8 stars (6 votes) •Cock Growth•Huge Cock•Multicock•Multihead•Incest•Brothers

Sizemorph by ChangeRedhawk 1,235 words Added Mar 2003 20k views 3.7 stars (7 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Nonconsensual sex

The band by BRK Eager to improve his personal appearance for the sake of the band he’s fronting, Ryan finds a solution that involves dramatically changing how he looks. Now he just has to keep the weird parts of it secret from his friends and roommate. 2 parts 7,461 words Added May 2002 22k views 4.7 stars (18 votes) •Huge Cock•Hyper Cock•Multiarm•Multilimb•Replication•Muscle Growth•Plausible Size Difference•Size Increase•Suggestion•Selfcest•Complete •M/M•M/M/M

The cowboy by Chance Riverwind 1,967 words Added Jul 2002 20k views 2.1 stars (7 votes) •Cock Growth•Huge Cock•Muscle/Strength•Giants•Age Difference•Incest•Father/Son

Recast by BRK When an actor complains that a certain A-list movie star is all wrong for a role, producer Jack has the perfect solution. Instead of finding someone else for the role, he’ll just make sure the actor fits the part. 1,710 words Added Aug 2022 4,213 views 4.7 stars (6 votes) •Huge Cock•Multi-abs•Multicock•Replication•Muscle Growth•Getting Taller•Size Increase•Race/Ethnicity Change•Selfcest•Complete •M/M•M/M/M•M/M/M/...

The four jocks continued by Josh Dugan This turned out to be one really great wish. 2,390 words Added Sep 2009 25k views 4.0 stars (1 vote) •Huge Cock•Multilimb•Replication•Selfcest

Uncle C by Portowulf Charles finds a trinket at a small store in the city that brings unexpected changes. 3,028 words Added Jun 2020 8,895 views 5.0 stars (3 votes) •Cock Growth•Straight to Gay•Muscle Growth•Increased Libido•Size Increase•Age Progression•Age Regression•Age Difference•First Time/Virgin•Incest •M/M

The shirtless club by BRK A cute, well-built teenager and his twin friends make a pact to keep their shirts off at all costs. 2 parts 7,614 words Added Jul 1997 38k views 4.6 stars (14 votes) •Huge Cock•Self-suck•Muscle/Strength•Always Shirtless•First Time/Virgin•Incest•Brothers•Twins•Complete •t/t•t/t/t...

The hole by brazboy A hole to another world appears in the middle of a random guy’s bedroom. What will he do, cross it? But what if the other world is not quite as similar to ours as he had expected at first? 2 parts 8,849 words Added Aug 2023 2,887 views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Multi-abs•Multi-balls•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Selfcest•Humiliation•Nonconsensual change•Nonconsensual sex•Restraints•Bodily Fluids•Complete •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 14k words Added Dec 2020 Updated 6 Mar 2021 7,956 views 4.9 stars (10 votes) •Always Hard•Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Always Shirtless•Hyper Tongue•Tongue Growth•Retcon•Incest•Twins•Selfcest•April Fool’s Day •M/M•M/M/M

The collection by BRK Zach is surprised to get a Thanksgiving dinner invite from his reclusive great uncle Derek, but a trip to Maine with his friends sounds better than cooking. As it turns out, more awaits them in the strange old oceanside house than a few platefuls of turkey and cranberry sauce. 8 parts 16k words Added Nov 2022 Updated 28 Jan 2023 9,294 views 4.7 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Multileg•Multilimb•Replication•Muscle Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Age Regression•Selfcest•Nonconsensual change•Supernatural•Thanksgiving •M/M

Bodymorphchat by BRK Conversations in this chat room are just like any other, with one exception: your screen name eventually becomes literally true. 1,920 words Added Nov 2004 24k views 5.0 stars (10 votes) •Multi-abs•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Replication•Stretchy•Transformation•Selfcest•All Dialog •M/M•M/M/M

Leg clone by Josh Dugan One of our most attractive classmates was into cloning before it became widely publicized. And he went way beyond just making clones. 3 parts 2,787 words Added Feb 1997 9,201 views 5.0 stars (2 votes) •Multicock•Boytaur•Multiarm•Multileg•Multilimb•Replication•Selfcest•Centaurs

Crossed Dial Podcast: Dear John by Tym Greene The Crossed Dial Podcast is new, and popular. Like other shows (Thrilling Adventure Hour and Welcome to Nightvale among them) it purports to present stories from an alternate reality, in this case in the form of one-on-one interviews with a random denizen of that reality. But unlike those other programs, there seems to be an undercurrent of realness to this show, and the guests seem so very authentic that it’s sometimes hard to imagine it being fiction. 2,317 words Added Dec 2023 701 views •Female to Male•Male to Female•Transformation•Human to Animal/Anthro•Incest•Hetero Sex•Anthro/Furry •M/M•M/F

Steve’s bodybuilder yoga by Josh Dugan The odd illustrations in yoga primer make Steve yearn to add more of his beautifully muscular arms and legs as well as more of him. 1,131 words Added May 2002 11k views 5.0 stars (1 vote) •Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Replication•Wristfeet•Selfcest

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

The four jocks book 2 by BRK The game has been passed on to a bunch of swim team hotties, who elect to play immersed in a hot tub. 2 parts 3,968 words Added Sep 2009 20k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Incest•Twins•Selfcest•Complete •M/M•M/M/M/...

Four-legged Ivan by Josh Dugan Let’s just say that four-legged Ivan is… multitalented. And he likes to share his experiences with his best friend (and himself). 12 parts 15k words Added Jul 2016 Updated 20 Oct 2018 27k views 4.7 stars (24 votes) •Cock Growth•Huge Cock•Multicock•All Legs•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Muscle Growth•Detachable•Size Increase•Mouthcock•Selfcest•Centaurs•Christmas•Alcohol •M/M

Dragon’s Horde: Too much to drink by STrRedWolf Drinking to excess is a sure-fire way to get yourself killed, unless you’re one of the lucky few who need a few kegs... and can stand to face yourself without a mirror. 2,523 words Added Oct 2017 8,656 views 4.0 stars (3 votes) •Cock Growth•Huge Cock•Hyper Cock•Replication•Muscle Growth•Muscle/Strength•Selfcest•Anthro/Furry•Alcohol

Scratch-and-win by BRK Sometimes the lottery scratch-off isn’t about money at all. 2 parts 2,762 words Added Nov 2003 13k views 4.4 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Incest•Twins

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

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

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

Ivan’s gift of self by Josh Dugan The Ivans and their lover exchange gifts, and of course they involve lots of legs. 3 parts 3,573 words Added Dec 2019 3,309 views 5.0 stars (1 vote) •Multicock•Four Legs•Lots of Legs•Multileg•Multilimb•Six Legs•Replication•Detachable•Selfcest•Christmas

Pool party by BRK Gavin returns to his dorm suite after a tough day writing just wanting to veg out with his roommates, Corbin the randy jock and the sweetly sexy Marcos, on whom he has a crush he’s having trouble hiding. But Corbin unexpectedly brings home a friend who suggests playing a game instead; and that game ends up causing a lot of changes among the three roomies. 2 parts 7,501 words Added Nov 2019 13k views 4.4 stars (17 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Multicock•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Retcon•Suggestion•Selfcest•Complete •M/M•M/M/M•M/M/M/...

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. 6,693 words Added Sep 2022 3,473 views 4.7 stars (3 votes) •Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Incest•Brothers•Twins•Restraints•Fantasy Realm •M/M•M/M/M

Metatation by BRK Unexpectedly given the afternoon off, Connor goes exploring a botanical garden on a whim and discovers a secret meditation circle sharing some unusually potent weed. 2 parts 9,998 words Added Dec 2018 Updated 13 Apr 2019 8,112 views 4.7 stars (23 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Getting Taller•Selfcest•Cannabis

Nick by Anonymous 1,846 words Added Apr 2003 24k views 4.5 stars (4 votes) •Huge Cock•Incest•Brothers

Dragon’s Horde: Waking up long by STrRedWolf A new series of adventures involving the Dragon’s Horde club, as anthro folks of all sorts and situations—judges, cops, mechanics, and more—find their way to the club and its transforming drinks. 7 parts 20k words Added Aug 2013 Updated 3 Oct 2014 23k views 3.6 stars (7 votes) •Extra digits•Multi-abs•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Hermaphrodite•Stretchy•Nanotech•Selfcest•Merging•Anthro/Furry•Anthro/Scaly•Dragons•Alcohol

Cloning Noah by KevLobs A man endeavors to fulfill his ultimate sexual fantasy: cloning himself. 3 parts 4,468 words Added Sep 2020 3,609 views 4.4 stars (12 votes) •Replication•Selfcest

Super Hard Planet Champions by BRK Logan and his buddies, along with the hot guy from the bowling alley Logan has a crush on, get pulled into a fight to save the universe from the evil Skorth. If only it didn’t involve wearing color-coded Lycra. 3 parts 19k words Added Aug 2017 Updated 11 May 2018 14k views 4.3 stars (6 votes) •Replication•Muscle Growth•Muscle/Strength•Size Increase•Selfcest•Lycra/Spandex•Aliens•Space Travel

The 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. 3,080 words Added Mar 2004 9,699 views 5.0 stars (4 votes) •Multicock•Boytaur•Multiarm•Multileg•Multilimb•Muscle Growth•Incest•Twins•Complete •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 6,395 words Added Apr 2021 4,331 views 4.7 stars (6 votes) •Huge Cock•Hyper Cum•Man Scent•Incest•Brothers•Twins•Fantasy Realm

Three-legged bros by BRK Matteo’s stream-of-consciousness account of how, basically, the only thing hotter than having three legs is having an insanely hot brother with three legs. 3,562 words Added May 2020 5,345 views 4.9 stars (7 votes) •Multi-abs•Multicock•Multileg•Multilimb•Three Legs•Incest•Brothers•Complete

Lucky thirteen by anonymous submitter Ryan’s boyfriend comes with him to the test center for experimentation with a serum to multiply body parts. 2,973 words Added Mar 2020 7,554 views 4.1 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Extra digits•Extra facial features•Extra Mouths•Multi-abs•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Replication•Stacking•Getting Taller•Giants•Selfcest

Self-love by BRK If you keep generating new bodies and you love having sex with yourself, it’s best just to go with it. 752 words Added Feb 2005 14k views 4.1 stars (7 votes) •Multi-abs•Multicock•Multihead•Multilimb•Replication•Getting Handsomer•Selfcest

Look what thinking can get you by Louis C. DePasquale After an accident on the field playing baseball, a young man gains the ability to hear thoughts—and maybe more. 1,628 words Added Jun 2012 20k views 4.5 stars (13 votes) •Muscle/Strength•First Time/Virgin•Incest•Brothers•Mind Control •t/t

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. 2,601 words Added Feb 2023 2,696 views 4.5 stars (2 votes) •Cock Growth•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Transformation•Incest•Brothers•Twins•Shared Body•Complete•Cannabis •M/M

Pool party by FanTCMan Two young men are nervous but excited. They’re about to show off their muscle transformation in front of all the guys at the pool! 1,575 words Added Dec 2002 21k views 4.7 stars (11 votes) •Muscle Growth•Muscle/Strength•Getting Handsomer•Age Difference•Incest•Father/Son •M/M/M/...•t/t•M/t

Shirtbusters by TFWizard Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. 2 parts 6,769 words Added Oct 2005 48k views 4.1 stars (16 votes) •Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son

The four jocks book 3 by BRK Once again the game leads to amazing transformations in Ted and his friends. If only they had any idea of what was happening to them. 2 parts 4,108 words Added Jun 2010 20k views 4.7 stars (6 votes) •Cock Growth•Huge Cock•Self-suck•Multicock•Replication•Muscle Growth•Muscle/Strength•Mouthcock•Retcon•Selfcest•Complete •M/M•M/M/M/...

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. 3,670 words Added Dec 2019 3,825 views 4.5 stars (2 votes) •Detachable•Incest•Twins

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

Dragon’s Horde: Drunken chat by STrRedWolf When that first drink really hits you so hard your body changes, reaching out to a support group online isn’t a bad thing… 1,246 words Added May 2021 3,812 views 4.0 stars (1 vote) •Huge Balls•Hyper Cock•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Three Legs•Replication•Selfcest•Anthro/Furry•Dragons•Alcohol

New neighbors by BRK Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late. 2 parts 11k words Added Jan 2016 Updated 23 Nov 2019 19k views 4.5 stars (12 votes) •Huge Cock•Multicock•Age Difference•Incest•Father/Son

Craterville by BRK When everyone in town has some kind of power that half the time they aren’t even aware of, the guy whose power is to tell with everyone else’s power is might feel like he’s got the short end of the stick. Sometimes, though, there are ways to make it work for you. 3,363 words Added Mar 2009 25k views 4.5 stars (15 votes) •Cock Growth•Huge Cock•Multicock•Multilimb•Replication•Muscle/Strength•Transformation•Size Increase•Selfcest•Complete •M/M•M/M/M

If only by BRK Steve hasn’t noticed yet how the world shifts a little every time he says "if only”. That’s okay. 2,591 words Added Mar 2006 19k views 4.3 stars (20 votes) •Huge Cock•Multicock•Replication•Transformation•Suggestion•Triplets•Selfcest•Complete •M/M

Randy and Roberto by BRK Randy and Roberto are both eager to get into the one remaining slot in Prof. Warren's History of Transformation class. Fortunately, there's a way to get both of them into that sole remaining chair. 1,130 words Added Sep 2010 19k views 4.5 stars (15 votes) •Extra digits•Multicock•Multilimb•Replication•Selfcest•Merging

Russel and Logan by Anonymous Russel becomes Logan’s identical twin, and he couldn’t be happier. 4 parts 3,494 words Added Jul 2012 9,313 views 5.0 stars (2 votes) •Replication•Selfcest •t/t

Many Man, the self-twin by S.E. Hello! Welcome to my blog! Many Man Blog is a blog where I share the happenings of myself and my boyfriend, who has a rare, almost magical, medical condition. 1,767 words Added May 2020 3,675 views 4.8 stars (6 votes) •Replication•Twins•Selfcest

Crisis in Carraido by BRK When a strange institution comes to town in a remote valley community in the Rockies, the locals are put off by the newcomers’ aloofness. But when things go wrong in the strangers’ compound, rancher Kevin and his sheriff’s deputy best buddy Pauly find out just how weird things are up there. 4 parts 11k words Added Apr 2016 Updated 9 Dec 2016 9,756 views 4.5 stars (8 votes) •Huge Cock•Multilimb•Replication•Detachable•Selfcest •M/M•M/M/M

The mansion of Re-Petes by TwinReplica Wyatt is finally visiting his online date Pete for the first time and is surprised to find he lives at a mansion, which holds multiple secrets inside… 2 parts 9,125 words Added Aug 2021 2,849 views 4.9 stars (10 votes) •Replication•Selfcest

The antique lamp by DimethylCoconut There are two facts about me that one should know before I tell this story: I had always had fantasies about cloning—I would date myself, and I am also a collector. The story I am going to tell is about how these two things combined and made me who I am today. 3,023 words Added Mar 2021 3,584 views 5.0 stars (9 votes) •Replication•Selfcest

Cock tongue fun by lock444 Charlie’s mischievous friend Mike discovers Charlie’s brother has a magical device that turns tongues into cocks. 2,412 words Added Jun 2013 15k views 4.5 stars (6 votes) •Mouthcock•Incest•Brothers

Retroactive by BRK On the tenth anniversary of his best friend’s unsolved disappearance, a mysterious man offers Geoff the opportunity to see for himself what happened. He knows he shouldn’t trust the stranger, but can he really pass up the chance to learn the truth first-hand? 2 parts 6,723 words Added Jun 2023 1,910 views 5.0 stars (4 votes) •Selfcest•Time Travel •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 4,705 words Added Aug 2013 15k views 3.8 stars (4 votes) •Always Hard•Multicock•Size Increase•Incest•Brothers•Twins

Richard by Josh Dugan Richard's pent-up lust generates multiples, who act out accordingly, while Richard himself stays clear-headed and attentive to his driving. 788 words Added Jan 2006 9,425 views 5.0 stars (1 vote) •Multilimb•Replication•Selfcest

Narcissus by Sean Innicioni 1,752 words Added May 2011 15k views 4.5 stars (2 votes) •Multicock•Four Legs•Multilimb•Replication•Hermaphrodite•Selfcest

Adam’s dream by Josh Dugan Bet you didn't know this about boytaur dreams. 757 words Added May 2002 14k views 4.0 stars (5 votes) •Multicock•Boytaur•Four Legs•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Selfcest

Tom adds extras by Josh Dugan Who knows how he's doing it but damn, there's a lot of Toms. 1,364 words Added Jun 1997 9,758 views 5.0 stars (4 votes) •Multicock•Four Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Selfcest•Centaurs

Crazy guy by James Fourlegs Crazy, but in an exasperating and lovable way. 1,229 words Added Jul 2000 12k views 4.2 stars (6 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Detachable•Selfcest

Neil by Brad Mercury Neil shows off some of the magic he’s he knows for his skeptical friends. They won’t be skeptical for long. 1,095 words Added Oct 2005 9,241 views 5.0 stars (3 votes) •Multicock•Four Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Selfcest

The royal stone by BRK In a hidden pocket kingdom in a corner of the Alps, Pete discovers a strange pink stone once thought to be of mystical significance to his ancestors, signified by the inscribed numerals, X, X, and V. 5,462 words Added Jan 2022 2,949 views 4.4 stars (5 votes) •Extra digits•Multicock•Multiarm•Multilimb•Multitongue•Replication•Selfcest•Metabods 25•Complete •M/M•M/M/M/...

Extra jeff by Josh Dugan You really can't get enough of Jeff even though there is so much of him. 596 words Added Sep 2005 11k views 5.0 stars (3 votes) •Huge Cock•Multicock•Multileg•Multilimb•Replication•Wristfeet•Selfcest

The king’s new clothes by brazboy A tailor offers to make the king the most perfect clothes out of a fabric invisible to those who are dim of mind. The king accepts, and when he sees the outfit made for him, he decides to parade it to court and wear it to a festival in the city. 2,684 words Added Jul 2023 2,100 views 3.8 stars (5 votes) •Huge Balls•Huge Cock•Public Orgasm•Public Nudity•Incest•Brothers•Medieval(ish) •M/M

Jeff’s Mr. Body comics collection by Josh Dugan It's pandemonium as usual in this rarest of all rare superhero comics. 2 parts 1,997 words Added Sep 2004 13k views 4.5 stars (4 votes) •Boytaur•Multilimb•Replication•Selfcest•Superhero/Supervillain

Voss the hoss by Josh Dugan A full moon helps a handsome college roommate live up to his nicknames, “Hinds” and “Hoss.” 1,993 words Added Sep 2005 6,941 views 3.7 stars (3 votes) •Four Legs•Multilimb•Replication•Selfcest

Leg wheel by Martin Boyar Handsome Dave wants to become a wheel of legs so badly that even instructions jokingly made up on the spot actually work! 4 parts 7,253 words Added Jun 2006 8,854 views 5.0 stars (7 votes) •Multicock•All Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Replication•Selfcest •M/M

Growing closer by Chance Micheals Spying on Luke, the object of his lust, young Gareth discovers that Luke is even more special than he thought—and then Luke’s brother shows up. 1,018 words Added Jun 2015 18k views 4.2 stars (20 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers •M/M

Frank’s boyss by Multiple Authors 2 parts 5,815 words Added Mar 2009 18k views 3.8 stars (5 votes) •Huge Cock•Multicock•Multilimb•Incest•Brothers

Joey by James Fourlegs It just goes to show that if a genie ever offers you a wish, wish for more wishes. 947 words Added May 2002 9,464 views 3.5 stars (2 votes) •Four Legs•Multiarm•Multileg•Multilimb•Replication•Selfcest

A handful of Lukes by NBCK99 It was pretty clear his new roommate Luke was hiding something, but coming home to find Luke embracing ... another Luke? ... was not what he expected. 3,123 words Added Jun 2016 6,985 views 5.0 stars (13 votes) •Replication•Selfcest

The ski trip by Allan Cedar A group of multilimb guys get to know each other better in a secluded ski cabin. 2 parts 4,768 words Added Mar 2013 11k views 4.6 stars (5 votes) •Multicock•Multiarm•Multilimb•Incest•Twins •M/M•M/M/M

Letter from South Beach by Jefftaur The boytaur thing is definitely catching on in South Beach. 2 parts 1,272 words Added Aug 2013 7,506 views •Multilimb•Replication•Wristfeet•Selfcest •M/M•M/M/M/...

Hot tub happenings by Dakon 3,999 words Added Mar 2006 7,948 views 4.6 stars (7 votes) •Replication•Selfcest

Unicorn Frappuccino: Refill by Tym Greene This sequel to “Unicorn Frappuccino” sees the purple-tracksuit-wearing wizard at his new job, making a delivery to a Starbucks that, four years later, still offers Unicorn Frappuccinos to their customers. And of course unicorn magic comes into play to make things a little more…flavorful. 2 parts 10k words Added Jul 2021 3,226 views 4.5 stars (2 votes) •Transformation•Human to Animal/Anthro•Father/Son•Nonconsensual change•Anthro/Furry•Witch/Warlock/Wizard

Trick of memory by James Fourlegs Ed's forgetfulness leads to a lot of extra pleasure. 781 words Added May 2002 8,334 views 4.8 stars (6 votes) •Multicock•Multiarm•Multileg•Multilimb•Replication•Selfcest

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