Incest

Stories involving sexual relations between family members.

  Child of:  Choice of Partner. Related tags:  Age Difference;Bestiality;First Time/Virgin;Incest;Misogyny;Not Only Male;Seniors.

  Tag Group:  Family.

A 14

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 7,461 views 4.7 stars (3 votes) No comments yet •Huge Balls•Huge Cock•Public Nudity•Incest•Brothers •M/M•M/M/M•M/t

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 64k views 4.3 stars (16 votes) No comments yet •Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

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 20k views 5.0 stars (21 votes) No comments yet •Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Hyper Anus•Male Pregnancy•Incest•Father/Son•Set in the Future •M/M•M/M/M

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 45k views 4.5 stars (20 votes) No comments yet •Incest•Brothers•Shapeshifting •t/t

Alien Vector by Dace Ezar gets by in life by avoiding attention, and especially by avoiding his bully stepbrother and abusive stepfather. One night in the forest changes that when a meteorite breaks apart nearby when he’s on the run from a gang. His next encounter with his stepbrother Carter leads in a very unexpected direction. 3 parts 14k words Added May 2025 Updated 14 Jun 2025 7,594 views 5.0 stars (17 votes) No comments yet •Cock Growth•Addiction•Straight to Gay•Muscle Growth•Transformation•Incest•Brothers•Dom/Sub•Sex-Slave•Hyper Pheromones•Aliens•Symbiotes•Mind Control•Alcohol •M/M•M/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 133k words (#9) Added Feb 2017 Updated 29 Oct 2022 259k views 4.6 stars (155 votes) No comments yet •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

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 17k views 5.0 stars (5 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Hyper Strength•Muscle/Strength•Gradual Change•Incest•Brothers•Hyper Pheromones•Supernatural •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 15k views 5.0 stars (6 votes) No comments yet •Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Supernatural

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 18k views 4.5 stars (17 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers•Supernatural •t/t

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! 20 parts 25k words Added May 2017 Updated 22 Feb 2025 104k views 4.4 stars (51 votes) No comments yet •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

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 34k views 4.9 stars (17 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Multilimb•Replication•Muscle/Strength•Plausible Size Difference•Size Increase•Incest•Twins•Selfcest •M/M

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 34k views 4.3 stars (9 votes) No comments yet •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

Avilus by Bottoming James, a horny, gay senior, comes across a reality-altering device. Who will it change—his friends, his bullies, even his annoying, muscle-bound brother Zack? 3 parts 6,749 words Added May 2025 Updated 14 Jun 2025 9,038 views 4.6 stars (25 votes) No comments yet •Cock Growth•Ball Growth•Female to Male•Straight to Gay•Muscle Growth•Butt Growth•Hyper Anus•Increased Libido•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Getting Taller•Hairless•Incest•Brothers•Dom/Sub•Nonconsensual change•Mind Control •M•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 71k views 4.6 stars (25 votes) No comments yet •Hyper Cum•Nipple Emissions•Muscle Breast•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M•M/M/M/...

B 28

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 135k views 4.5 stars (42 votes) No comments yet •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers

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 19k views 4.6 stars (29 votes) No comments yet •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Retcon•Suggestion•Incest•Brothers •M/M•M/t

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 22k views 5.0 stars (12 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•First Time/Virgin•Incest•Brothers•Twins•Bisexual•Hetero Sex•Dom/Sub •M/M•M/M/M•M/F•M/M/F

A Barber story: The Titan Brothers by Ogrebear Two men from opposite ends of life get a world-changing haircut.  5,252 words Added Dec 2022 15k views 5.0 stars (10 votes) No comments yet •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

Beastly gains by Kibble the Satyr Tyler Russell is in a funk. He’s 25, unhappy with his body, and stuck living with his dad until he can make enough money to move out. Uncertain about his future, he happens to make a friend at the gym that might just hold the answers he's been looking for.... 19k words Added Dec 2024 8,245 views 5.0 stars (10 votes) No comments yet •Cock Growth•Public Orgasm•Straight to Gay•Muscle Growth•Muscle/Strength•Public Nudity•Butt Growth•Transformation•Voice Deepening•Getting Taller•Size Increase•Age Regression•Human to Animal/Anthro•Hair Growth/Getting Hairy•Incest•Father/Son•Anthro/Furry•Werebears•Complete •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 83k views 4.7 stars (42 votes) No comments yet •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

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 67k views 4.7 stars (45 votes) No comments yet •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

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 31k views 4.8 stars (22 votes) No comments yet •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

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 13k views 4.8 stars (9 votes) No comments yet •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/...

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. 23 parts 104k words (#26) Added Dec 2013 Updated 22 Feb 2025 132k views 4.7 stars (40 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M

Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts 9,393 words Added Nov 2013 35k views 4.4 stars (8 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Nonconsensual change•Vampires•Werewolves•Halloween •M/M

The blue pumpkin by BRK Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… 6 parts 8,774 words Added Oct 2020 20k views 5.0 stars (22 votes) No comments yet •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/...

Body and mind by BRK Exasperated by college, work, and home life, Barry stumbles across an obscure app that might at least help make his insufferable, annoyingly sexy older brother Vince a tad easier to live with. 7 parts 39k words Added Nov 2024 Updated 3 May 2025 26k views 4.6 stars (42 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Self-suck•Public Orgasm•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Getting Handsomer•App•Retcon•Suggestion•Incest•Brothers•Nonconsensual change•Hypnosis•Mind Control •M/M•M/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. 10 parts 54k words (#80) Added May 2016 Updated 15 Feb 2025 52k views 4.9 stars (35 votes) No comments yet •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

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 62k views 4.8 stars (49 votes) No comments yet •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

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 25k views 4.6 stars (24 votes) No comments yet •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 •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 39k views 5.0 stars (14 votes) No comments yet •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/...

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 21k views 4.4 stars (16 votes) No comments yet •Huge Cock•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Muscle Growth•Muscle/Strength•Mouthcock•Incest•Twins•Aliens•Space Travel •M/M•M/M/M•M/M/M/...

The boytaurs of Bel-Air by BRK When Steve’s attempts at bringing boytaurs into popular awareness through CGI ends up being a disaster, his only recourse is to use the real thing. 3,080 words Added Mar 2004 13k views 5.0 stars (5 votes) No comments yet •Multicock•Boytaur•Multiarm•Multileg•Multilimb•Muscle Growth•Incest•Twins•Complete •M/M•M/M/M

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 32k views 4.5 stars (28 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

Brother dear by MsclGuy 766 words Added Jul 2002 31k views 3.9 stars (9 votes) No comments yet •Muscle/Strength•Incest•Brothers

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 53k views 4.9 stars (20 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Merging

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 25k views 4.9 stars (22 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •M/t

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 126k views 4.8 stars (98 votes) No comments yet •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

Brother’s closet by Josh Dugan A handsome athletic older brother offers somewhat more than expected. 962 words Added May 2002 28k views 4.5 stars (11 votes) No comments yet •Lots of Legs•Multileg•Multilimb•Replication•Detachable•Incest•Brothers•Selfcest •t/t

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 32k views 4.8 stars (13 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Incest•Brothers•Bulltaurs•Udders/Dairy Bull •M/M

Bull-e-tin by brazboy Short stories in the world of Dairy Bull. 8 parts 12k words Added Jul 2024 Updated 14 Sep 2024 14k views 5.0 stars (6 votes) No comments yet •Always Hard•Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Cum Milking•Hyper Cum•Public Orgasm•Multicock•Public Nudity•Incest•Brothers•Bulltaurs•Udders/Dairy Bull•Complete •M/M•M/M/M/...

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 (#36) Added Jul 2018 Updated 6 Oct 2018 109k views 4.8 stars (49 votes) No comments yet •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/...

C 15

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 7,152 views 4.5 stars (4 votes) No comments yet •Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Incest•Brothers•Twins•Restraints•Fantasy Realm •M/M•M/M/M

Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts 38k words Added May 2014 Updated 5 Jan 2019 63k views 4.9 stars (50 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...

The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts 3,678 words Added Jan 2006 18k views 4.7 stars (7 votes) No comments yet •Replication•Incest•Twins•Selfcest•Bisexual •M/M

Chris olympus by FanTCMan 3 parts 9,167 words Added Dec 2002 45k views 4.5 stars (21 votes) No comments yet •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son

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 34k views 4.9 stars (36 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Christmas •M/M

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 31k views 4.3 stars (4 votes) No comments yet •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

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 17k views 4.6 stars (7 votes) No comments yet •Mouthcock•Incest•Brothers

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 16k views 4.2 stars (6 votes) No comments yet •Multicock•Boytaur•Multilimb•Replication•Wristfeet•Incest•Twins•Selfcest

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 31k views 5.0 stars (22 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Hairless•Incest •M/t

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 42k views 4.7 stars (13 votes) No comments yet •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 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 31k views 4.9 stars (14 votes) No comments yet •Cock Growth•Huge Cock•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Father/Son •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 85k views 4.5 stars (53 votes) No comments yet •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 cowboy by Chance Riverwind 1,967 words Added Jul 2002 23k views 2.0 stars (8 votes) No comments yet •Cock Growth•Huge Cock•Muscle/Strength•Giants•Age Difference•Incest•Father/Son

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 4,021 views No comments yet •Female to Male•Male to Female•Transformation•Human to Animal/Anthro•Incest•Hetero Sex•Anthro/Furry •M/M•M/F

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 that steals your nightly orgasms and gives you a small reward in exchange. 12 parts 35k words Added Nov 2022 Updated 17 Dec 2022 23k views 4.7 stars (24 votes) No comments yet •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

D 19

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 42k views 4.6 stars (15 votes) No comments yet •Huge Cock•Muscle Gut•Muscle/Strength•Plausible Size Difference•Age Difference•Incest•Father/Son•Dom/Sub •M/M

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 56k views 4.7 stars (28 votes) No comments yet •Cock Growth•Huge Cock•Age Difference•Incest•Father/Son

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 35k views 3.2 stars (21 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Age Difference•Incest•Father/Son•Twins•Destruction/Violence •M/t

Damian and the three muscleteens by hyperboi 5 parts 8,170 words Added Dec 2012 64k views 4.3 stars (28 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins•Infectious

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 27k views 4.5 stars (12 votes) No comments yet •Muscle Growth•Muscle/Strength•Voice Deepening•Incest•Father/Son •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 17k views 4.1 stars (17 votes) No comments yet •Huge Cock•Hyper Cock•Giants•Size Increase•Age Difference•Incest•Father/Son•Destruction/Violence

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 12k views 4.7 stars (13 votes) No comments yet •Always Hard•Huge Cock•Muscle Breast•Muscle/Strength•Male Pregnancy•Incest•Twins

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 17k views 4.7 stars (36 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Age Difference•Incest•Father/Son•Thanksgiving •M/M•M/M/M

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 34k views 4.6 stars (32 votes) No comments yet •Wings•Muscle Growth•Muscle/Strength•Incest•Brothers•Halloween•Flying •M/M

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 10k views 4.4 stars (9 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Twins•Christmas •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 21k views 4.5 stars (20 votes) No comments yet •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

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 31k views 4.3 stars (10 votes) No comments yet •Cock Growth•Huge Cock•Multiarm•Wings•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Flying•Complete•19th Century •M/M/M/...

The djinn by hyperboi 8 parts 14k words Added Dec 2012 44k views 4.9 stars (21 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Djin/Jinn/Genie

Doggerland by Rock Creek Werewolf Bear, a barbarian Prince of Doggerland, leads his hunting party (and his two lovers) home to the rough and tumble DoggerHall, full of his step-brothers and the wives and husbands of his own Lord Father. That’s the DoggerLord himself, Mighty Ranulf the 7th, who immediately summons the hot young rider: he’s in need of a new NightPrince. 2,065 words Added May 2025 2,582 views 4.0 stars (2 votes) No comments yet •Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Transformation•Hair Growth/Getting Hairy•Incest•Father/Son•Hyper Pheromones•Werebears•Werewolves •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 25k views 4.8 stars (50 votes) No comments yet •Public Orgasm•Straight to Gay•Belly Growth•Getting Fatter•Retcon•Suggestion•Incest•Father/Son•Nonconsensual change •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 21k views 4.9 stars (26 votes) No comments yet •Huge Cock•Multicock•Multihead•Multiarm•Multilimb•Multitorso•Incest•Twins•Triplets•Merging •M/M•M/M/M

Double trouble by NBCK99 Caleb is really into how hot identical twins are. His roommate decides to help him out a little. 4,088 words Added May 2015 16k views 4.8 stars (33 votes) No comments yet •Retcon•Incest•Twins •M/M

Doubling up by BRK All the dorm rooms in Bryce’s building are being combined with another, and everyone’s doubling up. What isn’t immediately apparent is that it isn’t the rooms that are being merged—it’s the roommates. 3 parts 7,007 words Added Jun 2013 Updated 1 May 2015 32k views 4.9 stars (25 votes) No comments yet •Always Hard•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Stacking•Incest•Twins•Merging •M/M•M/M/M•M/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. (Slightly revised throughout as of May 2025.) 8 parts 22k words Added Mar 2010 Updated 17 May 2025 148k views 4.7 stars (60 votes) No comments yet •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Multi-abs•Straight to Gay•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Tongue Growth•Retcon•Suggestion•Incest•Brothers•Hyper Pheromones •M/M•M/M/M•M/M/M/...

E 5

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 25k views 4.7 stars (26 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Multi-balls•Multicock•Muscle Growth•Muscle/Strength•Retcon•Incest•Brothers•Nonconsensual change

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 150k views 3.9 stars (7 votes) No comments yet •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

Endmyths by Taur Reg Transformations spread through an entire town—but why? 12 parts 19k words Added Aug 2013 23k views 4.3 stars (9 votes) No comments yet •Multilimb•Age Difference•Incest•Father/Son•Centaurs•Naga•Satyrs•Shapeshifting •M/M

Enough to go around by Dream Big Sometimes life takes everything from you. Sometimes, it gives you more than you ever dreamed. 2 parts 6,621 words Added Jun 2024 Updated 22 Jun 2024 9,330 views 4.9 stars (19 votes) No comments yet •Cock Growth•Muscle Growth•Increased Libido•Age Difference•Incest•Brothers•Twins •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 32k views 4.8 stars (26 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Nonconsensual change•Aliens

F 20

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… 6 parts 73k words (#50) Added Mar 2024 Updated 4 May 2024 13k views 2.2 stars (27 votes) No comments yet •Other Mental Changes•Straight to Gay•Race/Ethnicity Change•Retcon•Incest•Brothers•Father/Son•Twins•Humiliation•Nonconsensual change•Mind Control •M/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 16k views 4.8 stars (9 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Getting Taller•Incest•Brothers•Twins

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 35k views 4.0 stars (32 votes) No comments yet •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

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 11k views 4.7 stars (31 votes) No comments yet •Human to Cock•Incest•Father/Son•Nonconsensual change•Merging •M/M

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 17k views 4.8 stars (22 votes) No comments yet •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

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 13k views 4.5 stars (6 votes) No comments yet •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/...

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 (#48) Added Aug 2019 Updated 11 Sep 2021 33k views 5.0 stars (21 votes) No comments yet •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

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 36k views 4.9 stars (76 votes) No comments yet •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

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 34k views 4.9 stars (33 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins •t/t•t/t/t...

The four Ds by BRK Four close friends get away for a mountain cabin vacay, only for the environs to make them hornier than usual. 12 parts 51k words (#83) Added Apr 2024 Updated 14 Jun 2025 20k views 4.8 stars (26 votes) No comments yet •Always Hard•Cock Growth•Cockless•Nipcocks•Self-suck•Nipple Emissions•Extra digits•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Six Legs•Multitorso•Replication•Stacking•Hyper Muscle•Muscle Growth•Always Shirtless•Increased Libido•Detachable•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Decrease•Mouthcock•Incest•Brothers•Body Swap•Time Travel •M/M•M/M/M•M/M/M/...

Four for the game by Clearlyhere Four jocks play a body changing game. 2,962 words Added Feb 2017 27k views 4.5 stars (20 votes) No comments yet •Cock Growth•Cock Shrinking•Huge Cock•Muscle Growth•Muscle/Strength•Getting Handsomer•Size Increase•Incest•Brothers•Body Swap

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 23k views 4.7 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Multilimb•Replication•Muscle Growth•Muscle/Strength•Incest•Twins•Selfcest•Complete •M/M•M/M/M/...

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 26k views 4.9 stars (22 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Self-suck•Multicock•Multilimb•Muscle Growth•Muscle/Strength•Retcon•Incest•Brothers •M/M•M/M/M

The four jocks: Horny teens by hyperboi 3 parts 7,484 words Added Apr 2014 41k views 4.8 stars (8 votes) No comments yet •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

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 24k views 4.6 stars (8 votes) No comments yet •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 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 18k views 4.6 stars (16 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins•Complete •M/M•M/M/M/...

Frank’s boyss by Multiple Authors 2 parts 5,815 words Added Mar 2009 20k views 3.8 stars (5 votes) No comments yet •Huge Cock•Multicock•Multilimb•Incest•Brothers

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 35k views 4.6 stars (23 votes) No comments yet •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Twins •M/M•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 25k views 4.9 stars (36 votes) No comments yet •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

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 68k views 4.8 stars (50 votes) No comments yet •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

G 4

The garden of holes by brazboy Arriving at the capital, a young and talented recently recruited civil servant enters the world of high politics, love, and ambitions. Using his magnificent body as well as his mind, he ends up having an experience different from what anyone could have expected, even becoming involved in a plot to steal the throne… 5 parts 18k words Added Apr 2024 Updated 27 Apr 2024 8,926 views 5.0 stars (3 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Hyper Muscle•Immobility•Muscle Growth•Public Nudity•Gradual Change•Plausible Size Difference•Size Increase•Incest•Brothers•Medieval(ish) •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 14k views 4.9 stars (10 votes) No comments yet •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

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 20k views 4.2 stars (20 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers •M/M

A growing family by OneLuckyGuy89 Tyler Sánchez and his friends are going to prove the Zhao transformation website is a hoax. His father Julian gets home to find a manly musk has filled their home. Just what happened while he was at work? 7,041 words Added Jun 2024 16k views 4.6 stars (8 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Female to Male•Straight to Gay•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Butt Growth•Belly Growth•Increased Libido•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Father/Son•Nonconsensual change•Hyper Pheromones•Supernatural•Immortality •M/M•M/M/M

H 10

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 23k views 4.6 stars (18 votes) No comments yet •Incest•Brothers•Merging•Halloween •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 17k views 3.6 stars (8 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Giants•Size Increase•Incest•Brothers•Christmas

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 9,602 views 4.4 stars (5 votes) No comments yet •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/...

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 84k views 4.4 stars (56 votes) No comments yet •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

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 9,871 views 4.1 stars (7 votes) No comments yet •Straight to Gay•Public Nudity•Suggestion•Age Difference•Incest•Father/Son•Sex-Slave•Hypnosis•Mind Control •M/M

His new son by EdIam Jon’s hypnosis journey begins before the last show Paul would put on, and continues long afterwards… 13k words Added Apr 2025 2,907 views 5.0 stars (1 vote) No comments yet •Straight to Gay•Suggestion•Age Difference•Incest•Father/Son•Hypnosis•Mind Control •M/M•M/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 14k views 5.0 stars (12 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers•Christmas •M/M

Hooked up by Growthbeast A guy invites his friend over to test a machine that fuels his fantasy, but neither could have predicted how it would turn out in the end. 2,042 words Added Jan 2025 13k views 3.0 stars (5 votes) No comments yet •Cock Growth•Ball Growth•Human to Cock•Hyper Cock•Nipcocks•Cum inflation•Nipple Emissions•Addiction•Getting Dumber•Hyper Muscle•Muscle Growth•Muscle Gut•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•Age Progression•Human to Body Part•Hairless•Getting Fatter•Tailcock•Age Difference•Incest•Absorption•Merging•Complete •M/M

Hostile take-over by brazboy Tomás develops a potion to use at work, but he thinks it can have many other practical applications. Who said mixing work and private life is bad? 3 parts 11k words Added Jan 2025 Updated 25 Jan 2025 7,856 views 4.7 stars (12 votes) No comments yet •Huge Cock•Other Mental Changes•Straight to Gay•Muscle/Strength•Increased Libido•Suggestion•Incest•Brothers•Twins•Dom/Sub•Nonconsensual change•Nonconsensual sex•Sex-Slave•Mind Control•Complete •M/M•M/M/M

How it’s done by phallicphan College centaur shows his younger brother how to breed. 4,189 words Added Oct 2017 14k views 5.0 stars (9 votes) No comments yet •Muscle/Strength•First Time/Virgin•Incest•Brothers•Centaurs •M/M

I 5

I think... by EdIam Larry wants to think for Zack. 12 parts 151k words (#7) Added Apr 2021 Updated 13 Aug 2022 28k views 4.3 stars (12 votes) No comments yet •Other Mental Changes•Straight to Gay•Muscle/Strength•Age Difference•Incest•Brothers•Twins•Dom/Sub•Humiliation•Hypnosis•Mind Control •M/M•M/M/M

I wanna get huge by JayPat “I wanna get huge,” he said. 2 parts 21k words Added Oct 2012 67k views 4.5 stars (26 votes) No comments yet •Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Christmas•Valentine’s Day •t/t

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 5,731 views 4.5 stars (2 votes) No comments yet •Detachable•Incest•Twins

In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies.  2 parts 16k words Added Mar 2023 Updated 17 Jun 2023 14k views 5.0 stars (12 votes) No comments yet •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

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 20k views 4.9 stars (17 votes) No comments yet •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/...

J 3

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 (#19) Added Oct 2013 Updated 24 Nov 2017 240k views 4.5 stars (83 votes) No comments yet •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

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 9,196 views 5.0 stars (8 votes) No comments yet •Cock Growth•Huge Cock•Boytaur•Four Legs•Multileg•Multilimb•Incest•Twins•Complete •M/M•M/M/M

Joy ride by BRK Tag and Lys are only pretending to gad about the universe in their grandparents’ borrowed sportscruiser, Lys rather less willingly than Tag. Then the universe takes a hand and makes it all a little more real. 3,618 words Added Jun 2025 1 views 4.5 stars (2 votes) No comments yet •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Other Mental Changes•Straight to Gay•Getting Handsomer•Getting Taller•Incest•Brothers•Nonconsensual change•Space Travel•Set in the Future •M/M

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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 5,151 views 3.8 stars (5 votes) No comments yet •Huge Balls•Huge Cock•Public Orgasm•Public Nudity•Incest•Brothers•Medieval(ish) •M/M

Kris and Minato by BRK Two best friends on a class trip get some help declaring their feelings for each other. 7 parts 30k words Added Nov 2024 Updated 26 Apr 2025 20k views 4.9 stars (19 votes) No comments yet •Always Hard•Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Multicock•Multiarm•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Always Shirtless•Stretchy•Butt Growth•Hyper Anus•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hyper Tongue•Tongue Growth•First Time/Virgin•Incest•Brothers•Twins•Complete •M/M

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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 48k views 4.7 stars (10 votes) No comments yet •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

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 52k views 4.7 stars (21 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

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 28k views 5.0 stars (13 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•Incest•Brothers •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 8,874 views 5.0 stars (7 votes) No comments yet •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/...

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 20k views 4.6 stars (22 votes) No comments yet •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/...

A long day by brazboy Lauro’s days are usually very, very long—and so is he. Today, though, is a good day—it’s his older brother’s birthday, and he has gotten him a nice and meaningful gift. 5,457 words Added Jun 2024 4,101 views 5.0 stars (4 votes) No comments yet •Huge Cock•Multi-abs•Multi-anus•Multi-balls•Multicock•Boytaur•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Multipec•Multitorso•Stacking•Incest•Brothers•Complete •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 11k views 4.5 stars (6 votes) No comments yet •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/...

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 22k views 4.6 stars (14 votes) No comments yet •Muscle/Strength•First Time/Virgin•Incest•Brothers•Mind Control •t/t

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 16k views 4.8 stars (4 votes) No comments yet •Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Size Increase•Incest•Twins•Witch/Warlock/Wizard•Fantasy Realm •M/M

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 (#55) Added Dec 2017 Updated 27 Apr 2019 51k views 4.8 stars (37 votes) No comments yet •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

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 13k views 4.8 stars (17 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Wings•Hyper Strength•Getting Handsomer•Retcon•Suggestion•Age Difference•Incest•Father/Son•Flying•Complete•Medieval(ish) •M/M

M 32

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 13k views 3.8 stars (5 votes) No comments yet •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

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 69k views 4.1 stars (17 votes) No comments yet •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

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 55k views 4.7 stars (19 votes) No comments yet •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

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 44k views 3.8 stars (20 votes) No comments yet •Size Increase•Body Suit•Age Difference•Incest•Father/Son•Lycra/Spandex•Halloween•Superhero/Supervillain•Stories with Images •M/M

Matched pairs by Jerkoffcentral Peter becomes infected, not just with growth, but with a need for more strength and size. 14 parts 42k words Added Oct 2013 Updated 22 Jun 2016 69k views 4.7 stars (35 votes) No comments yet •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•First Time/Virgin•Incest•Brothers•Bisexual•Hetero Sex •M/M•M/M/F

Mates: A werewolf’s tale by Rock Creek Werewolf The Mountain Peaks Pack receives a valentine. Bill is unsettled. Tom is bulking. Larry is eager to prove himself. And newly minted Alpha Ruiz is eager to scent his seer. Nando and Bill chance upon a tasty treat, and Paul focuses in. 6 parts 62k words (#62) Added Jan 2025 Updated 15 Feb 2025 4,483 views 5.0 stars (1 vote) No comments yet •Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Transformation•Hair Growth/Getting Hairy•Incest•Father/Son•Hyper Pheromones•Werebears•Werewolves•Valentine’s Day •M/M•M/M/M•M/M/M/...

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 22k views 4.5 stars (13 votes) No comments yet •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Father/Son•Nonconsensual change•Symbiotes•Hypnosis •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 7,885 views 4.4 stars (5 votes) No comments yet •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

Max and Chris by Drillur Two very hung brothers get tired of solo sex. 1,502 words Added Jul 2014 23k views 4.6 stars (27 votes) No comments yet •Huge Cock•Hyper Cum•Incest•Brothers

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 measured in feet rather than inches. 1,444 words Added Apr 2023 7,560 views 5.0 stars (36 votes) No comments yet •Huge Cock•Hyper Cock•Extra Mouths•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Incest•Brothers •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 6,888 views 4.8 stars (8 votes) No comments yet •Incest•Brothers •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 9,856 views 5.0 stars (16 votes) No comments yet •Multicock•Multihead•Multileg•Multilimb•Three Legs•Multipec•Replication•Incest•Twins•Selfcest•Merging•Complete •M/M

Meeting the family by OneLuckyGuy89 Christian and Kasim wake up a few days later and continue to adjust to their new life. In Zhao’s dream, he and Priapus go to meet Priapus’s family. When you meet a bunch of slutty male gods, you know it’ll be a good time. 9,682 words Added Aug 2024 11k views No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Wings•Female to Male•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Misogyny•Incest•Brothers•Father/Son•Twins•Destruction/Violence•Hyper Pheromones•Fantasy Realm•Supernatural•Immortality •M/M•M/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 24k views 5.0 stars (15 votes) No comments yet •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

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 18k views 4.7 stars (12 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Four Legs•Multiarm•Multileg•Multilimb•App•Incest•Brothers•Humiliation•Nonconsensual change •t/t

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 17k views 4.0 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Multicock•Multihead•Incest•Brothers

Michael and jim by Your Name Here 1,317 words Added Jul 2006 27k views 2.9 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hair Growth/Getting Hairy•Incest•Brothers

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 (#57) Added Jun 2012 Updated 28 Jul 2017 180k views 4.8 stars (108 votes) No comments yet •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...

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 41k views 4.8 stars (23 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Self-suck•Size Increase•Incest•Brothers

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 (#56) Added Nov 2021 Updated 18 Nov 2023 30k views 4.9 stars (28 votes) No comments yet •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

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 6,618 views 4.5 stars (11 votes) No comments yet •Huge Balls•Huge Cock•Hyper Cock•Nipple Emissions•Incest•Brothers•Twins •M/M•M/M/M

Musclove, Texas by Max Mann Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one). 9 parts 26k words Added Sep 2004 83k views 4.8 stars (52 votes) No comments yet •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

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 9,859 views 5.0 stars (1 vote) No comments yet •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/...

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 18k views 4.6 stars (8 votes) No comments yet •Muscle Growth•Muscle/Strength•Incest•Brothers

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 24k views 4.1 stars (15 votes) No comments yet •Huge Balls•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Hyper Pheromones

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 18k views 4.8 stars (18 votes) No comments yet •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

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 24k views 4.8 stars (12 votes) No comments yet •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Incest •M

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 191k views 4.5 stars (26 votes) No comments yet •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

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 12k views 4.8 stars (10 votes) No comments yet •Huge Cock•Multicock•Mouthcock•Incest•Brothers •M/M•M/M/M

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 21k views 4.8 stars (15 votes) No comments yet •Huge Cock•Muscle/Strength•Age Difference•Incest•Father/Son

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 17k views 3.9 stars (18 votes) No comments yet •Huge Cock•Age Difference•Incest•Father/Son

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 124k views 4.1 stars (39 votes) No comments yet •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son •M

N 11

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 38k views 4.5 stars (30 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers

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 24k views 3.0 stars (5 votes) No comments yet •Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Incest•Brothers•Twins

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 45k views 4.7 stars (44 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Muscle Growth•Muscle/Strength•Gradual Change•Size Increase•Incest•Brothers •M/M

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 22k views 4.5 stars (12 votes) No comments yet •Huge Cock•Multicock•Age Difference•Incest•Father/Son •M/M•M/M/M

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 36k views 4.8 stars (28 votes) No comments yet •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Brothers

Nick by Anonymous 1,846 words Added Apr 2003 26k views 4.6 stars (5 votes) No comments yet •Huge Cock•Incest•Brothers

The night shift by Dreamtransformer 1,239 words Added Dec 2013 16k views 2.3 stars (3 votes) No comments yet •Muscle/Strength•Age Difference•Incest•Father/Son

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 9,001 views 4.3 stars (7 votes) No comments yet •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

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 20k views 4.7 stars (21 votes) No comments yet •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Hyper Cum•Nipple Emissions•Public Orgasm•Multi-abs•Multi-anus•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

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 46k views 4.6 stars (39 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Suggestion•Age Difference•Incest•Father/Son •M/t

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 18k views 4.6 stars (25 votes) No comments yet •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/...

O 3

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 (#18) Added Jun 2019 Updated 25 Jun 2022 88k views 4.9 stars (55 votes) No comments yet •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/...

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 7,004 views 5.0 stars (2 votes) No comments yet •Cock Growth•Huge Cock•Replication•Public Nudity•Mouthcock•Incest•Brothers•Selfcest•Nonconsensual change•Space Travel•April Fool’s Day •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 11k views 2.5 stars (8 votes) No comments yet •Other Mental Changes•Straight to Gay•Transformation•Incest•Brothers

P 8

Pack: A werewolf’s tale by Rock Creek Werewolf Three weeks later, the pack is packed in. Bill deflects a lawman’s questions, while learning some new tricks. Yousef enjoys his kink. A visiting Alpha receives an audience. Tom and Mullins manage their wood, while Carlos just gets by. They all take a smoke break. A grand bargain is struck. 12 parts 104k words (#25) Added Oct 2024 Updated 28 Dec 2024 5,906 views 5.0 stars (1 vote) No comments yet •Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Transformation•Hair Growth/Getting Hairy•Incest•Father/Son•Gross Bodily Fluids•Hyper Pheromones•Werebears•Werewolves •M/M•M/M/M•M/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. 3 parts 23k words Added Mar 2024 Updated 21 Sep 2024 7,976 views 5.0 stars (40 votes) No comments yet •Cock Growth•Ball Growth•Muscle Growth•Transformation•Incest•Satyrs•Complete •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 13k views 4.7 stars (20 votes) No comments yet •Always Hard•Other Mental Changes•Straight to Gay•Always Shirtless•Retcon•Incest•Brothers•Father/Son•Nonconsensual change •M/M

Playing with FanTCMan’s toys by Absman420 The Budd Brothers and their muscle adventures. 12 parts 54k words (#76) Added Jan 2024 9,328 views 4.8 stars (12 votes) No comments yet •Cock Growth•Straight to Gay•Muscle Growth•Muscle Worship•Hair Growth/Getting Hairy•Incest•Brothers•Complete •M/M•M/M/M•M/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 24k views 4.5 stars (12 votes) No comments yet •Muscle Growth•Muscle/Strength•Getting Handsomer•Age Difference•Incest•Father/Son •M/M/M/...•t/t•M/t

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 21k views 4.5 stars (23 votes) No comments yet •Cock Growth•Cock Shrinking•Huge Cock•Dom to Sub•Getting Dumber•Pec Fucking•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Increased Libido•Retcon•Incest•Brothers•Father/Son•Twins•Dom/Sub•Sex-Slave •M/M•t/t•M/t

The power of suggestion by BRK On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. 1,878 words Added Feb 2009 53k views 4.8 stars (41 votes) No comments yet •Cock Growth•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Size Increase•Retcon•Suggestion•Incest•Brothers•Twins•Selfcest•Complete •M/M

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 5,050 views 5.0 stars (1 vote) No comments yet •Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle/Strength•Plausible Size Difference•Incest•Brothers •M/M

R 6

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 (#45) Added Nov 2020 Updated 27 Feb 2021 70k views 4.9 stars (45 votes) No comments yet •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

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 14k views 4.3 stars (11 votes) No comments yet •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

Re-educator by EdIam Jake created an invention to change the world. But first he wants to change his bully. 10 parts 80k words (#44) Added Jun 2024 Updated 27 Jul 2024 12k views 3.1 stars (15 votes) No comments yet •Straight to Gay•Suggestion•Incest•Brothers•Father/Son•Humiliation•Nonconsensual change•Christmas•Hypnosis•Mind Control•Complete •M/M•M/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. 31 parts 92k words (#33) Added Mar 2023 Updated 28 Sep 2024 43k views 5.0 stars (10 votes) No comments yet •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Multi-balls•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Multitorso•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•Hair Growth/Getting Hairy•Retcon•Incest•Brothers•Nonconsensual change•Body Swap•Cannabis •M/M•M/M/M•M/M/M/...

The river god by BRK and Rock Creek Werewolf Forced into a long sleep for cultivating the love and lust of male human servants, a river god awakes in the modern world and finds a new familiar through whom to channel his improvements and feed his desire for male carnal pleasure. 5 parts 28k words Added Jun 2024 Updated 31 Aug 2024 16k views 5.0 stars (10 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Replication•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle Worship•Public Nudity•Increased Libido•Getting Handsomer•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Age Regression•Incest•Father/Son•Nonconsensual change•Pagan gods•Complete •M/M•M/M/M/...

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 14k views 4.8 stars (5 votes) No comments yet •Huge Cock•Straight to Gay•Muscle/Strength•Suggestion•Age Difference•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub

S 28

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 96k views 4.8 stars (24 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Gradual Change•Getting Taller•Size Increase•Tongue Growth•Incest•Brothers

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 (#88) Added Sep 2016 Updated 23 Dec 2016 95k views 3.9 stars (58 votes) No comments yet •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•Complete •M•M/M•M/M/M/...

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 46k views 4.7 stars (25 votes) No comments yet •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •t/t•t/t/t

Scratch-and-win by BRK Sometimes the lottery scratch-off isn’t about money at all. 2 parts 2,762 words Added Nov 2003 16k views 4.4 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Multicock•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 23k views 5.0 stars (16 votes) No comments yet •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/...

The secret twin by brazboy One day, Davi gains a new mysterious tiny twin, who soon starts slowly growing over time. 2 parts 8,788 words Added Oct 2024 9,299 views 4.1 stars (7 votes) No comments yet •Always Hard•Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Muscle Growth•Stretchy•Getting Taller•Plausible Size Difference•Size Increase•Incest•Brothers•Twins•Nonconsensual change•Nonconsensual sex•Restraints•Sex-Slave•Rubber/Latex•Halloween•Complete •M/M•M/M/M/...

Seeing stars by OneLuckyGuy89 12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. 2 parts 8,520 words Added Mar 2020 Updated 30 May 2020 17k views 4.3 stars (7 votes) No comments yet •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

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. 6 parts 30k words Added Apr 2022 Updated 25 Jan 2025 32k views 4.6 stars (5 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cum•Multicock•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Forced Growth•Hair Growth/Getting Hairy•Age Difference•Incest•Brothers•Father/Son•Hyper Pheromones •M/M•M/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 90k views 4.4 stars (23 votes) No comments yet •Huge Cock•First Time/Virgin•Incest•Brothers •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. 16 parts 92k words (#32) Added Jun 2023 Updated 5 Oct 2024 58k views 4.9 stars (59 votes) No comments yet •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Always Cumming•Hyper Cum•Public Orgasm•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Gradual Change•Getting Taller•Incest•Father/Son•Twins•Hyper Pheromones•Christmas•Complete •M•M/M

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 51k views 4.2 stars (17 votes) No comments yet •Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son

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 42k views 4.7 stars (15 votes) No comments yet •Huge Cock•Self-suck•Muscle/Strength•Always Shirtless•First Time/Virgin•Incest•Brothers•Twins•Complete •t/t•t/t/t...

Sizemorph by ChangeRedhawk 1,235 words Added Mar 2003 22k views 3.7 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Nonconsensual sex

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 13k views 4.6 stars (5 votes) No comments yet •Multicock•Multiarm•Multilimb•Incest•Twins •M/M•M/M/M

The smuggler by BRK Ardin is one of the best smugglers in the Seven Realms, and the heist he has planned to steal a valuable heirloom from the unsuspecting (and impossibly handsome) Prince of Kossh should be a piece of cake. What he’s not counting on is finding something else in the Prince’s treasure-room: an artifact evoking a mythical cock-themed beast that brings with it a sexual need so intense Ardin is unsure it can ever be quenched. 2 parts 6,395 words Added Apr 2021 6,617 views 4.7 stars (6 votes) No comments yet •Huge Cock•Hyper Cum•Man Scent•Incest•Brothers•Twins•Fantasy Realm

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 5,561 views 4.3 stars (6 votes) No comments yet •Huge Cock•Incest•Brothers•Father/Son•Christmas •M/M•M/M/M

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 28k views 4.6 stars (17 votes) No comments yet •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

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 268k views 4.4 stars (66 votes) No comments yet •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

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 8,272 views 3.3 stars (6 votes) No comments yet •Huge Cock•Straight to Gay•Incest•Father/Son•Dom/Sub

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. 5 parts 25k words Added Nov 2023 Updated 20 Jul 2024 31k views 4.9 stars (57 votes) No comments yet •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/...

The steam room by BRK Mike reluctantly tries the steam room at his new gym and finds himself unaccountably able to alter the various men relaxing therein. 3,402 words Added Apr 2024 11k views 4.8 stars (19 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Public Orgasm•Extra digits•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Public Nudity•Getting Handsomer•Age Regression•Retcon•Suggestion•Age Difference•Incest•Brothers•Twins•Nonconsensual change•Goo People•Complete •M/M•M/M/M/...

The stolen stash by BRK Brothers Ron and Don break into a certain house normally occupied by a couple of pizza hunks and their friends, just for fun—and then things take an interesting turn when they find the occupants’ massive stash of highly unusual cannabis. 2,601 words Added Feb 2023 7,430 views 4.3 stars (3 votes) No comments yet •Cock Growth•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Transformation•Incest•Brothers•Twins•Shared Body•Complete•Cannabis •M/M

Stretching his imagination by Otto Fellatio Two months after the events of "Stretching His Limits," Jonah becomes more adventurous and experimental with his strange powers. 4 parts 3,567 words Added Jan 2025 3,793 views 5.0 stars (10 votes) No comments yet •Cockfucking•Prehensile Cock•Self-suck•Public Orgasm•Multicock•Multiarm•Stretchy•Incest•Brothers•Complete •M/M•M/M/M

Stretching his limits by Otto Fellatio When college student Jonah discovers he has a supernatural ability to stretch, he quickly finds out how much more fun he can have now. 4 parts 3,303 words Added Oct 2024 5,758 views 5.0 stars (14 votes) No comments yet •Cock Growth•Huge Cock•Prehensile Cock•Self-suck•Stretchy•Incest•Brothers•Complete •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 22k views 4.9 stars (21 votes) No comments yet •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

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 14k views 4.5 stars (13 votes) No comments yet •Huge Cock•Suggestion•Age Difference•Incest•Father/Son•Mind Control •M/M

A summer’s heat by A.B.Oasis An eager 18-year-old awaits the day he’ll enter his first rut like his dad and brother before him. It’s a shame that he’ll never hit that rut, the house’s A/C broke, and he doesn’t immediately know how well his dad and brother will treat him. 4,114 words Added Apr 2024 6,398 views 4.7 stars (11 votes) No comments yet •Other Mental Changes•Muscle/Strength•Man Scent•Increased Libido•Plausible Size Difference•First Time/Virgin•Incest•Brothers•Dom/Sub•Nonconsensual sex•Hyper Pheromones •M/M

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 5,259 views 5.0 stars (11 votes) No comments yet •Self-suck•Transformation•Age Progression•Human to Animal/Anthro•Incest•Brothers•Father/Son•Anthro/Furry•Alcohol •M/M•M/M/M

T 17

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 6,155 views 4.2 stars (6 votes) No comments yet •Huge Cock•Cum Milking•Hyper Cum•Nipple Emissions•Multicock•Muscle Breast•Incest•Brothers•Nonconsensual sex•Restraints•Sex-Slave•Anthro/Furry•Bulltaurs•Udders/Dairy Bull •M/M•M/M/M

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 16k views 4.1 stars (16 votes) No comments yet •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

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 11k views 3.3 stars (3 votes) No comments yet •Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Transformation•Incest•Twins•Selfcest•Nonconsensual change

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 12k views 4.7 stars (14 votes) No comments yet •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/...

Teacher’s testimony by Six Pecs A teacher testifies to having been part of the inner circle surrounding a young man with godlike powers. 10 parts 41k words Added Aug 2024 Updated 14 Jun 2025 28k views 5.0 stars (39 votes) No comments yet •Cock Growth•Cock Shrinking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Public Orgasm•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multitorso•Replication•Other Mental Changes•Straight to Gay•Hyper Strength•Muscle Breast•Muscle Growth•Muscle/Strength•Public Nudity•Body Parts in Strange Places•Man Scent•Voluptuous Men•Hyper Anus•Feeding•Foot Growth•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Plausible Size Difference•Size Decrease•Size Increase•Age Progression•Age Regression•Human to Inanimate•Hair Growth/Getting Hairy•Hyper Tongue•Mouthcock•Age Difference•Incest•Father/Son•Selfcest•Nonconsensual change•Restraints•Rubber/Latex•Absorption•Hyper Pheromones•Infectious•Merging•Shared Body•Possession•Gay Pride•Hypnosis•Mind Control•Shapeshifting •M/M•M/M/M•M/M/M/...

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 29k views 4.8 stars (21 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers •M/M•M/M/M

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 18k views 4.2 stars (6 votes) No comments yet •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

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 7,762 views 4.9 stars (7 votes) No comments yet •Multi-abs•Multicock•Multileg•Multilimb•Three Legs•Incest•Brothers•Complete

‘Til musk do we grow by OneLuckyGuy89 Trish Laurent is on a mission to break up her daughter’s marriage to the wimpy, Dustin Sullivan. Little does she know she’s making a deal with a sex deity, gifted by the God Priapus; and all he wants is to make some sexy men. 3,823 words Added May 2024 11k views 4.5 stars (4 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Female to Male•Gender Swap•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Hair Growth/Getting Hairy•Incest•Brothers•Father/Son•Nonconsensual sex•Hyper Pheromones•Supernatural •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 15k views 4.8 stars (5 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Incest•Brothers •M/M

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 29k views 4.8 stars (39 votes) No comments yet •Huge Cock•Other Mental Changes•Muscle/Strength•Always Shirtless•Incest•Brothers•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 36k views 5.0 stars (28 votes) No comments yet •Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son•Twins•Androids/Cyborgs•Space Travel•Complete •M/M•M/M/M/...•t/t•M/t

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 8,380 views 4.8 stars (12 votes) No comments yet •Muscle Growth•Race/Ethnicity Change•Hair Growth/Getting Hairy•Incest •M/M

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 34k views 5.0 stars (11 votes) No comments yet •Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Replication•Stretchy•Incest•Twins•Selfcest•Body Swap •M/M•M/M/M/...

Twin studs by Anonymous 3 parts 43k words Added Jul 2014 22k views 4.1 stars (24 votes) No comments yet •Huge Cock•Multicock•Multiarm•Multilimb•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins

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 8,686 views 4.5 stars (8 votes) No comments yet •Huge Cock•Muscle/Strength•Incest•Brothers•Twins•Complete •M/M/M

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 9,237 views 5.0 stars (3 votes) No comments yet •Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers

U 4

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 32k views 3.8 stars (8 votes) No comments yet •Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son

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 12k views 4.8 stars (4 votes) No comments yet •Cock Growth•Straight to Gay•Muscle Growth•Increased Libido•Size Increase•Age Progression•Age Regression•Age Difference•First Time/Virgin•Incest •M/M

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 (#29) Added Apr 2020 Updated 10 Jun 2023 167k views 4.9 stars (67 votes) No comments yet •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•Gross Bodily Fluids•Dildos/Toys•Infectious •M/M•M/M/M•M/M/F

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 9,320 views 4.7 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Muscle Growth•Getting Taller•Incest•Brothers•Anthro/Furry•Bulltaurs•Udders/Dairy Bull•Complete •M/M

V 2

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 47k views 4.8 stars (32 votes) No comments yet •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son•Infectious •M/M

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 11k views 4.9 stars (8 votes) No comments yet •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/...

W 8

Werequeer by Pfieffer A dad helps his son through his first transformation into a WereQueer. 2,426 words Added Apr 2004 34k views 5.0 stars (21 votes) No comments yet •Cock Growth•Huge Balls•Hyper Cock•Hyper Cum•Transformation•Age Difference•Incest•Father/Son

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 43k views 4.5 stars (28 votes) No comments yet •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

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 32k views 5.0 stars (25 votes) No comments yet •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

When you grow upon a star by OneLuckyGuy89 When Aladdin Lindstrum makes a wish on a star, strange things begin happening to him, his roommates, and his boyfriend. 4 parts 16k words Added Jul 2019 Updated 7 Dec 2024 29k views 3.8 stars (11 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Multicock•Female to Male•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Incest•Nonconsensual change •M/M

Wishes come true by OneLuckyGuy89 As Zhao continues his godly trip down memory lane, we learn about his mysterious companion Brutus, whom Ares gave immortality in the days of the ancient Roman Empire. As he’s thinking about the past, another group of men activate Zhao’s website. 5,821 words Added Aug 2024 10k views 5.0 stars (1 vote) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Public Orgasm•Female to Male•Transgender•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Father/Son•Twins•Nonconsensual change•Lycra/Spandex•Hyper Pheromones•Supernatural•Immortality •M/M•M/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 Added Apr 2021 Updated 31 Jul 2021 24k views 4.6 stars (16 votes) No comments yet •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

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 17k views 3.8 stars (4 votes) No comments yet •Always Hard•Multicock•Size Increase•Incest•Brothers•Twins

Wordplay by BRK Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. 6,910 words Added Aug 2015 20k views 4.5 stars (6 votes) No comments yet •Cock Growth•Huge Cock•Multi-abs•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Incest•Twins •M/M•M/M/M

X 1

XXX Labs test case LH142-1 by Nifbun Dr. Harold “Harry” Fordson has developed a new drug meant to increase the frequency of orgasms and reduce recovery time. After bringing over a friend to help test out his new pill, things start to go awry as Dr. Fordson loses control. 4,383 words Added Sep 2024 11k views 4.7 stars (7 votes) No comments yet •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Always Cumming•Hyper Cum•Man Scent•Increased Libido•Hair Growth/Getting Hairy•Inflation•Incest•Father/Son•Destruction/Violence•Dom/Sub•Nonconsensual sex •M/M

Y 1

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 19k views 4.5 stars (17 votes) No comments yet •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

Z 1

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 57k views 4.5 stars (20 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Taller•Age Difference•Incest•Father/Son•Dom/Sub •M/M•M/M/M