BRK

Brothers

Stories that feature intimate relations between brothers (not necessarily actual sex, though this is often the case).

Child of: Incest. Related: Father/Son; Triplets; Twins.

Tag Group: Family.

Top Stories: “Jason’s big problem”; “All good things”; “Mind and body”; “My roommate (complete)”; “Empire”; “Baby brother”; “The dudes”; “The brothers”; “17 inches”; “The salt”.

Recently Updated: “Canticle of the Fair King”; “Mr. Rainbow Hair”; “Bad suggestion”; “I think...”.

122 stories found. Total word count: 2,540,439.

A

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. •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Nov 2016 2,350 words 46,682 views 4.3 stars (15 votes)
Alex’s gift by Will Bowden [ ] A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. •Incest •Brothers •Shapeshifting •t/t Added Apr 2003 3 parts 4,345 words 38,250 views 4.7 stars (15 votes)
All good things by Anon Amon [ ] After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Emissions •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Infectious •M/M •M/M/M Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 184,863 views 4.6 stars (133 votes)
Alpha Logan claims a beta by Eric Aaldersen [ ] Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •M/M Added Dec 2021 4,961 words 6,612 views 5.0 stars (7 votes)
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. •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Supernatural •Series Added Mar 2020 8,980 words 8,776 views 5.0 stars (10 votes)
Alpha Mike and his alpha bro by Eric Aaldersen [ ] Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Supernatural •Series Added Mar 2020 5,437 words 9,106 views 4.6 stars (20 votes)
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! •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 Added May 2017 Updated May 2019 19 parts 23,227 words 75,105 views 4.4 stars (42 votes)
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… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Father/Son •Destruction/Violence •M Added Nov 2020 1,226 words 18,051 views
The awakening by Johnny M [ ] Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •M/M •M/M/M •M/M/M/... Added Jul 2012 10 parts 24,690 words 57,735 views 4.6 stars (17 votes)

B

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! •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers Added Mar 2003 2,879 words 115,382 views 4.3 stars (34 votes)
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. •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Incest •Brothers •M/M •M/t Added Sep 2022 1,619 words 5,485 views 4.6 stars (21 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •First Time/Virgin •Incest •Brothers •Twins •Bisexual •Hetero Sex •Dom/Sub •M/F •M/M •M/M/F •M/M/M Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 12,830 views 5.0 stars (10 votes)
Bending the straight boys by iciss [ ] At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. •Cock Growth •Huge Cock •Public Orgasm •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Handsomer •First Time/Virgin •Incest •Brothers •Twins •Nonconsensual change •Infectious •M/M •M/M/M Added Jan 2008 2 parts 11,063 words 64,300 views 4.7 stars (38 votes)
Ben’s escapades by Kaelan [ ] Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •M/M •M/M/M Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 52,567 views 4.7 stars (37 votes)
Beta Logan and his big brother by Eric Aaldersen [ ] Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series Added Jun 2020 6,499 words 16,719 views 5.0 stars (14 votes)
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. •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 •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Incest •Brothers •Series •M/M •M/M/M Added May 2016 Updated Jun 2021 9 parts 49,133 words 37,058 views 4.9 stars (26 votes)
The bodyguards by Alakazam1988 [ ] Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Multicock •Hyper Muscle •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Plausible Size Difference •Size Increase •Inflation •Incest •Brothers •Twins •M/M •M/M/M Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 36,686 views 4.8 stars (43 votes)
Boosted by West [ ] Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •App •Incest •Brothers Added Aug 2021 Updated Sep 2021 3 parts 5,436 words 12,389 views 4.6 stars (19 votes)
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. •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 •Witch/Warlock/Wizard •Series •M/M •M/M/M •M/M/M/... Added Dec 2002 Updated Sep 2019 8 parts 29,657 words 25,410 views 5.0 stars (13 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers Added Jan 2017 4 parts 8,692 words 24,220 views 4.5 stars (22 votes)
Brother dear by MsclGuy [ ] •Muscle/Strength •Incest •Brothers Added Jul 2002 766 words 26,594 views 3.9 stars (8 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Merging Added Dec 2015 7,666 words 41,919 views 4.8 stars (16 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers Added Apr 2020 5 parts 7,816 words 14,375 views 4.9 stars (14 votes)
The brothers by FanTCMan [ ] Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Incest •Brothers Added Mar 2003 8 parts 22,620 words 102,640 views 4.8 stars (89 votes)
Brother’s closet by Josh Dugan [ ] A handsome athletic older brother offers somewhat more than expected. •Lots of Legs •Multileg •Multilimb •Replication •Detachable •Incest •Brothers •t/t Added May 2002 962 words 21,010 views 4.0 stars (5 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers •M/M Added Nov 2021 3 parts 11,985 words 11,520 views 4.7 stars (7 votes)

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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. •Hyper Cock •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Incest •Brothers •Twins •Restraints •Fantasy Realm •M/M •M/M/M Added Sep 2022 6,693 words 1,404 views
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. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Christmas •M/M Added Dec 2016 3,925 words 24,758 views 4.8 stars (28 votes)
The chronicles of Besar Otot by OneLuckyGuy89 [ ] On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Gender Swap •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Hyper Pheromones Added Jan 2020 Updated May 2021 8 parts 25,601 words 16,440 views
Cock tongue fun by lock444 [ ] Charlie’s mischievous friend Mike discovers Charlie’s brother has a magical device that turns tongues into cocks. •Mouthcock •Incest •Brothers Added Jun 2013 2,412 words 14,131 views 4.5 stars (6 votes)
Comeuppance by JJJJohnson [ ] No more than one tablespoon each, huh? Suuuuuure! •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Brothers •Twins Added May 2006 4,071 words 43,458 views 4.6 stars (19 votes)
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. •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Multicock •Multihead •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Stacking •Muscle Growth •Muscle/Strength •Retcon •Suggestion •Incest •Brothers •t/t •t/t/t Added Feb 2014 Updated Mar 2018 5 parts 16,745 words 64,269 views 4.5 stars (51 votes)

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Damian and the three muscleteens by hyperboi [ ] •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins •Infectious Added Dec 2012 5 parts 8,169 words 53,284 views 4.3 stars (27 votes)
Demon brand jeans by alwaysmyway [ ] Shopping for creepy Halloween costumes at the last minute is probably not a good idea. •Wings •Muscle Growth •Muscle/Strength •Incest •Brothers •Halloween •Flying •M/M Added Aug 2012 6,033 words 27,800 views 4.5 stars (26 votes)
Dickville by OneLuckyGuy89 [ ] Rodney Finnegan and his four boys arrive in a Florida marshland town named Dickville. And it doesn’t take them long to figure out how it got that name. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Incest •Brothers •Father/Son •M/M •t/t Added Apr 2022 2 parts 5,446 words 9,084 views 4.5 stars (11 votes)
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. •Cock Growth •Huge Cock •Multiarm •Wings •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Flying •19th Century •M/M/M/... Added Mar 2005 4 parts 3,757 words 24,069 views 4.3 stars (7 votes)
The djinn by hyperboi [ ] •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Djin/Jinn/Genie Added Dec 2012 8 parts 14,201 words 36,184 views 4.8 stars (18 votes)
The dudes by BRK [ ] The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Public Orgasm •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Plausible Size Difference •Size Increase •Tongue Growth •Retcon •Suggestion •Brothers •Hyper Pheromones •t/t •t/t/t •t/t/t... Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 114,485 views 4.7 stars (44 votes)
Dylan by TreborNawoc [ ] Dylan and his extra-laden body are always hungry, so when his friend suggests an all-you-can-eat crawl he’s immediately on board. •Huge Cock •Extra Mouths •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Replication •Stretchy •Belly Growth •Brothers •Vore •Absorption •Centaurs •Naga •Series •M/M •M/M/M Added Aug 2021 Updated Jun 2022 6 parts 11,026 words 10,199 views 5.0 stars (181 votes)

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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. •Cock Growth •Huge Balls •Huge Cock •Multi-balls •Multicock •Muscle Growth •Muscle/Strength •Retcon •Incest •Brothers •Nonconsensual change Added Jul 2018 3,597 words 15,907 views 4.7 stars (22 votes)
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. •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 •Series Added Apr 2019 Updated May 2021 40 parts 365,561 words 125,254 views 3.4 stars (5 votes)
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... •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Nonconsensual change •Aliens Added Dec 2014 3,492 words 24,319 views 4.7 stars (21 votes)

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Family trouble by HandsomeLitleBoy [ ] Max starts to notice some strange behavior from his big brother Brad—behavior that involves ungodly amounts of cum. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Getting Taller •Incest •Brothers •Twins Added Oct 2020 2 parts 2,454 words 9,345 views 4.8 stars (9 votes)
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... •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers Added Jul 2014 1,448 words 28,739 views 4.0 stars (32 votes)
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. •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Incest •Brothers •Destruction/Violence •Werebears •Werewolves •Supernatural •Series •M/M •M/M/M Added Aug 2019 Updated Sep 2021 12 parts 73,076 words 24,447 views 4.9 stars (18 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins Added Jan 2021 Updated Feb 2021 4 parts 14,631 words 21,973 views 4.9 stars (30 votes)
Four for the game by Clearlyhere [ ] Four jocks play a body changing game. •Cock Growth •Cock Shrinking •Huge Cock •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Incest •Brothers •Body Swap Added Feb 2017 2,962 words 19,376 views 4.5 stars (19 votes)
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. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multicock •Multilimb •Muscle Growth •Muscle/Strength •Retcon •Incest •Brothers •Series Added Aug 2015 4,873 words 19,363 views 4.9 stars (17 votes)
The four jocks: Horny teens by hyperboi [ ] •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 •Series Added Apr 2014 3 parts 7,484 words 31,787 views 4.7 stars (7 votes)
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. •Always Hard •Cock Growth •Huge Cock •Multicock •Multilimb •Multitorso •Replication •Muscle Growth •Muscle/Strength •Mouthcock •Incest •Brothers •Series •M/M •M/M/M/... Added Jul 2012 3 parts 7,578 words 17,812 views 4.6 stars (7 votes)
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. •Always Hard •Cock Growth •Huge Cock •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Twins •Series •M/M •M/M/M/... Added Jul 2017 5,950 words 11,893 views 4.4 stars (12 votes)
Frank’s boyss by Multiple Authors [ ] •Huge Cock •Multicock •Multilimb •Incest •Brothers Added Mar 2009 2 parts 5,815 words 17,320 views
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. •Cock Growth •Hyper Cock •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Twins Added Jul 2013 Updated Aug 2013 1,543 words 28,658 views 4.5 stars (20 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Incest •Brothers Added Mar 2019 Updated Jun 2020 2 parts 5,278 words 32,454 views 4.5 stars (18 votes)

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Greg and Jesse by BRK [ ] Greg and Jesse are already pretty close. But the addition of a little premium weed combined with a video chat session makes them even closer. •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multileg •Multilimb •Multipec •Replication •Stacking •Brothers •Merging •Cannabis •t/t •t/t/t Added Mar 2009 Updated Jan 2018 3 parts 6,991 words 30,093 views 4.6 stars (19 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •M/M Added Jun 2015 1,018 words 16,386 views 4.2 stars (20 votes)

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The Halloween costume by frooooooo [ ] A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? •Incest •Brothers •Merging •Halloween Added Oct 2012 2,220 words 17,853 views 4.0 stars (7 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Giants •Size Increase •Incest •Brothers •Christmas •Series Added Dec 2016 8,115 words 11,763 views 3.6 stars (7 votes)
His brother drains his manhood by Ballmeat [ ] A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. •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 Added Jan 2018 2,593 words 53,260 views 4.3 stars (35 votes)
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! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers •Christmas Added Dec 2020 3,149 words 6,794 views 5.0 stars (5 votes)
How it’s done by phallicphan [ ] College centaur shows his younger brother how to breed. •Muscle/Strength •First Time/Virgin •Incest •Brothers •Centaurs •M/M Added Oct 2017 4,189 words 9,159 views 5.0 stars (9 votes)

I

I think... by EdIam [ ] Larry wants to think for Zack. •Other Mental Changes •Straight to Gay •Muscle/Strength •Age Difference •Incest •Brothers •Twins •Dom/Sub •Humiliation •Hypnosis •Mind Control •M/M •M/M/M Added Apr 2021 Updated Aug 2022 12 parts 151,254 words 15,499 views 4.1 stars (10 votes)
I wanna get huge by JayPat [ ] “I wanna get huge,” he said. •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Christmas •Valentine's Day •Series Added Oct 2012 2 parts 21,281 words 55,200 views 4.4 stars (23 votes)
Induced transformation: a brief history by BRK [ ] A father explains to his son that back in his day, they didn’t have any of these fancy-schmancy apps with built-in retcon. Back then, if you changed someone, they changed, and everyone had to just suck it up and deal with it. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Replication •Muscle Growth •Age Regression •App •Retcon •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Infectious •All Dialog •M/M •M/M/M/... Added Jun 2020 2,248 words 9,494 views 4.9 stars (16 votes)

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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. •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 Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 187,524 views 4.5 stars (76 votes)

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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. •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Race/Ethnicity Change •Suggestion •Incest •Brothers •Dom/Sub Added Apr 2012 2 parts 7,238 words 38,011 views 4.7 stars (9 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Apr 2017 5,382 words 39,604 views 4.7 stars (15 votes)
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? •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase •Incest •Brothers •M/M Added Jul 2022 1,596 words 8,584 views 5.0 stars (8 votes)
Lockdown gym by BRK [ ] When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. •Always Hard •Cock Growth •Huge Cock •Replication •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Getting Handsomer •Gradual Change •Getting Taller •Age Difference •Incest •Brothers •Twins •Set during the Pandemic •M/M •M/M/M/... Added Apr 2021 3,110 words 10,091 views 4.7 stars (16 votes)
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. •Muscle/Strength •First Time/Virgin •Incest •Brothers •Mind Control •t/t Added Jun 2012 1,628 words 19,002 views 4.5 stars (13 votes)

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Making the rules by EdIam [ ] Frank likes structure and rules in his home. Desmond likes corrupting families. Whatever could happen when the two meet? •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 Added Sep 2021 2 parts 22,700 words 5,574 views
Male scent by Frank Easky [ ] Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Man Scent •Getting Taller •Giants •Size Increase •Age Regression •Getting Hairy •Incest •Brothers •Twins •Hyper Pheromones •Infectious Added Jul 2002 2 parts 13,564 words 55,306 views 4.0 stars (15 votes)
Matched pairs by Jerkoffcentral [ ] Peter becomes infected, not just with growth, but with a need for more strength and size. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •First Time/Virgin •Incest •Brothers •Bisexual •Hetero Sex •M/M •M/M/F Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 57,613 views 4.7 stars (30 votes)
Max and Chris by Drillur [ ] Two very hung brothers get tired of solo sex. •Huge Cock •Hyper Cum •Incest •Brothers Added Jul 2014 1,502 words 18,694 views 4.6 stars (26 votes)
Me and my big brother by Elliott Corbett [ ] Kameron experiences a magical summer with his big brother, Kyle. •Incest •Brothers •M/M Added Dec 2021 2,799 words 3,263 views 4.7 stars (6 votes)
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? •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 •Dom/Sub •M/M Added Nov 2021 Updated Jan 2022 3 parts 14,933 words 9,045 views 5.0 stars (14 votes)
Metacafé by brazboy [ ] In a special corner of the city, unknown to most, there’s a place visited by a special crowd. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Multi-abs •Multi-balls •Multicock •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Stacking •Muscle Growth •Getting Taller •Size Increase •Brothers •Twins •Metabods 25 •M/M Added Jun 2022 5,754 words 2,327 views 4.8 stars (5 votes)
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? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Four Legs •Multiarm •Multileg •Multilimb •App •Incest •Brothers •Humiliation •Nonconsensual change Added May 2020 Updated Jun 2020 5 parts 8,689 words 8,421 views 4.6 stars (11 votes)
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. •Cock Growth •Huge Cock •Multicock •Multihead •Incest •Brothers Added Jan 2013 2 parts 2,738 words 13,076 views 3.8 stars (6 votes)
Michael and jim by Your Name Here [ ] •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers Added Jul 2006 1,317 words 22,191 views 2.9 stars (7 votes)
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. •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... Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 145,243 views 4.7 stars (99 votes)
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. •Always Hard •Cock Growth •Huge Cock •Self-suck •Size Increase •Incest •Brothers Added Oct 2009 6 parts 5,664 words 34,196 views 4.8 stars (20 votes)
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. •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Incest •Brothers •Twins •M/M •M/M/M Added Sep 2022 3,220 words 1,497 views 4.4 stars (10 votes)
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). •Cock Growth •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Restraints Added Sep 2004 9 parts 26,085 words 64,736 views 4.8 stars (48 votes)
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. •Muscle Growth •Muscle/Strength •Incest •Brothers Added Nov 2020 3,084 words 9,441 views 4.8 stars (5 votes)
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! •Huge Balls •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Hyper Pheromones Added Feb 2020 5 parts 8,843 words 15,593 views 4.2 stars (10 votes)
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.”) •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 •M/F •M/M •M/M/F •M/M/M •M/M/M/... •M/t •t/t Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 138,886 views 4.6 stars (23 votes)
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. •Huge Cock •Multicock •Mouthcock •Incest •Brothers Added Jul 2021 5 parts 14,413 words 5,805 views 4.9 stars (7 votes)

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Naked morph for ps2 by Male Enhancer [ ] Three brothers play a video game that has a direct effect on the people playing it. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers Added Jun 2013 4 parts 3,180 words 32,558 views 4.5 stars (26 votes)
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. •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •Incest •Brothers •Twins Added May 2015 1,423 words 19,500 views 3.0 stars (5 votes)
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. •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Size Increase •Incest •Brothers •M/M Added Aug 2014 8 parts 20,447 words 35,520 views 4.6 stars (40 votes)
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. •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers Added Mar 2016 5 parts 10,449 words 25,762 views 4.8 stars (20 votes)
Nick by Anonymous [ ] •Huge Cock •Incest •Brothers Added Apr 2003 1,846 words 21,604 views
No strings attached by muscl4life [ ] Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Twins •Hypnosis Added May 2014 3 parts 39,280 words 47,200 views 4.5 stars (23 votes)

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One hot summer by BRK [ ] Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. •Always Hard •Cock Growth •Huge Cock •Self-suck •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Incest •Brothers •Twins •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Cannabis •M •M/M •M/M/M •M/M/M/... Added Jun 2019 Updated Jun 2022 54 parts 118,619 words 58,072 views 4.9 stars (52 votes)
Overshadowed by Cris Kane [ ] Jealous of his jock older brother, gay misfit Lance gets a magical chance to change things. •Other Mental Changes •Straight to Gay •Transformation •Incest •Brothers Added Apr 2019 2,658 words 6,916 views 2.6 stars (7 votes)

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Perfectly normal by EdIam [ ] John is working on reality-bending science… but perhaps he should vet his employees a little more carefully. •Always Hard •Other Mental Changes •Straight to Gay •Always Shirtless •Retcon •Incest •Brothers •Father/Son •Nonconsensual change Added Jan 2021 8,364 words 5,668 views 4.0 stars (7 votes)
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. •Cock Growth •Huge Cock •Multicock •Replication •Muscle Growth •Muscle/Strength •Size Increase •Retcon •Suggestion •Incest •Brothers •Twins •Series Added Feb 2009 1,878 words 42,736 views 4.8 stars (36 votes)
The power of suggestion: Wetbar by BRK [ ] A night out at the bar leads to a series of changes to a very happy young clubgoer. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Public Orgasm •Multi-abs •Multicock •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Transformation •Plausible Size Difference •Size Increase •Age Regression •Mouthcock •Retcon •Suggestion •Brothers •Twins •Series Added Feb 2009 2,751 words 23,229 views 4.9 stars (9 votes)

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Reality Pack by Thorn [ ] What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Getting Hairy •App •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •M/M •M/M/M Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 40,228 views 4.9 stars (31 votes)
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. •Huge Cock •Straight to Gay •Muscle/Strength •Suggestion •Age Difference •Incest •Brothers •Father/Son •Bisexual •Hetero Sex •Dom/Sub •Series Added Jun 2020 8,270 words 7,218 views

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The salt by RdyRoger [ ] Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers •Series Added Jun 2010 9 parts 35,754 words 79,485 views 4.7 stars (19 votes)
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. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •t/t •t/t/t Added Nov 2013 13 parts 29,433 words 37,119 views 4.7 stars (24 votes)
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. •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multileg •Multilimb •Three Legs •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Incest •Brothers •Christmas •Series •M/M •M/M/M/... Added Dec 2016 3 parts 15,182 words 14,397 views 5.0 stars (12 votes)
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. •Cock Growth •Multicock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Getting Handsomer •Voice Deepening •Getting Taller •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •M/M •M/M/M Added Apr 2022 Updated May 2022 3 parts 8,409 words 10,684 views
17 inches by Unknown [ ] •Huge Cock •First Time/Virgin •Incest •Brothers Added Mar 2009 3,639 words 83,884 views 4.4 stars (20 votes)
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. •Huge Cock •Muscle/Strength •Always Shirtless •Incest •Brothers •Twins Added Jul 1997 Updated Jul 2010 2 parts 7,620 words 35,793 views 4.6 stars (13 votes)
Sizemorph by ChangeRedhawk [ ] •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Rape Added Mar 2003 1,235 words 18,002 views
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. •Huge Cock •Hyper Cum •Man Scent •Incest •Brothers •Twins •Fantasy Realm •Series Added Apr 2021 2 parts 6,395 words 3,014 views 4.6 stars (5 votes)
The spectacular growing saga by West [ ] A collection of brief stories about guys discovering their dream bodies in various ways. •Cock Growth •Cock Shrinking •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Multicock •Multiarm •Multipec •Hyper Strength •Muscle Growth •Muscle Theft •Getting Taller •Size Decrease •Incest •Brothers •Triplets •Infectious •Androids/Cyborgs •M/M •M/M/M Added Mar 2022 Updated Apr 2022 6 parts 7,557 words 8,541 views 4.5 stars (13 votes)

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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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers Added Jun 2016 Updated Sep 2016 4 parts 13,105 words 23,294 views 4.8 stars (20 votes)
They came from outer space by WordShop [ ] Playing with meteors can have strange side effects. Two young brothers living near a military base find themselves changing from exposure to meteorite dust. •Cock Growth •Plants •Brothers •M/M Added Oct 2017 Updated Nov 2017 4 parts 12,642 words 21,515 views 4.9 stars (20 votes)
Three brothers by Wawa [ ] Three brothers get infected with a digital virus that grows them to their true selves. •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 Added May 2022 1,702 words 7,805 views
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. •Multi-abs •Multicock •Multileg •Multilimb •Three Legs •Incest •Brothers Added May 2020 3,562 words 3,928 views 4.9 stars (7 votes)
To a tee by Cris Kane [ ] Teddy is amazed to see how much his older brother has grown since going away to college. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Incest •Brothers Added Dec 2019 2,189 words 8,781 views
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. •Huge Cock •Other Mental Changes •Muscle/Strength •Always Shirtless •Incest •Brothers •M/M •M/M/M Added Mar 2019 Updated Aug 2019 5 parts 31,177 words 20,609 views 4.8 stars (34 votes)
Twin studs by Anonymous [ ] •Huge Cock •Multicock •Multiarm •Multilimb •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins Added Jul 2014 3 parts 42,539 words 15,433 views 4.0 stars (22 votes)
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!). •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers Added Oct 2020 7 parts 7,269 words 4,821 views

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An unexpected inflation by UberPump [ ] A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. •Cock Growth •Cock Pumping •Cockfucking •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Public Orgasm •Straight to Gay •Immobility •Muscle Growth •Public Nudity •Inflation •App •Incest •Brothers •Bisexual •Nonconsensual change •M/M •M/M/F •M/M/M Added Apr 2020 Updated Jul 2022 35 parts 77,246 words 77,513 views 4.8 stars (43 votes)

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What a dear deer boy by Thatbadwriter [ ] Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. •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 Added Feb 2021 Updated Mar 2021 5 parts 12,430 words 18,573 views 5.0 stars (14 votes)
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. •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 Added Apr 2021 Updated Jul 2021 10 parts 38,884 words 15,708 views 4.6 stars (15 votes)
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. •Always Hard •Multicock •Size Increase •Incest •Brothers •Twins Added Aug 2013 2 parts 4,705 words 13,745 views

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