Brothers

• 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 41,418 views 4.3 stars (14 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  Added Apr 2003 3 parts 4,345 words 36,388 views 4.6 stars (13 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 •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Cum •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Infectious  Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 169,688 views 4.6 stars (130 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 3,340 views 5.0 stars (6 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 7,390 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 7,388 views 4.6 stars (19 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 Cum •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Stories with Images  Added May 2017 Updated May 2019 19 parts 23,227 words 67,891 views 4.4 stars (40 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  Added Nov 2020 1,226 words 13,074 views
• The awakening by Johnny M  [  ]  Danny’s secret muscle-breast fantasy kink begins bleeding into the real world.  •Hyper Cum •Nipple Cum •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 53,818 views 4.6 stars (15 votes)

• 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 107,767 views 4.3 stars (34 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 58,835 views 4.7 stars (37 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 Cum •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers  Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 47,196 views 4.7 stars (34 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 13,110 views 5.0 stars (13 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 34,034 views 4.9 stars (22 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 •Nipcocks •Nipple Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Plausible Size Difference •Size Increase •Inflation •Incest •Brothers •Twins  Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 27,979 views 4.8 stars (38 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 •App •Incest •Brothers  Added Aug 2021 Updated Sep 2021 3 parts 5,436 words 9,527 views 4.6 stars (16 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 •Extra digits •Multicock •Four Legs •Multiarm •Multileg •Multilimb •Replication •Stretchy •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 23,437 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 22,278 views 4.6 stars (21 votes)
• Brother dear by MsclGuy  [  ]    •Muscle/Strength •Incest •Brothers  Added Jul 2002 766 words 25,485 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 38,667 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 11,805 views 4.8 stars (13 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 95,402 views 4.8 stars (88 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  Added May 2002 962 words 19,983 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 •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers •M/M  Added Nov 2021 3 parts 11,985 words 7,899 views 4.7 stars (6 votes)

• 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 22,619 views 4.8 stars (24 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 Cock •Hyper Cock •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 12,888 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 13,473 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 41,158 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 59,987 views 4.6 stars (47 votes)

• 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 50,263 views 4.3 stars (26 votes)
• A day at the beach by Three-Legged Dude  [  ]    •Multilimb •Stretchy •Detachable •Incest •Brothers  Added Apr 2003 723 words 15,422 views 3.3 stars (8 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 26,109 views 4.5 stars (22 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 23,045 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 33,986 views 4.8 stars (16 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 106,309 views 4.7 stars (35 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 Sep 2021 5 parts 8,175 words 6,696 views 5.0 stars (17 votes)

• 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 13,754 views 4.7 stars (19 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 119,331 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 22,113 views 4.7 stars (21 votes)

• 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 7,492 views 4.8 stars (8 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 27,128 views 3.9 stars (31 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  Added Aug 2019 Updated Sep 2021 12 parts 73,076 words 21,901 views 4.9 stars (17 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 18,834 views 4.9 stars (29 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 17,367 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 18,292 views 4.9 stars (16 votes)
• The four jocks: Horny teens by hyperboi  [  ]    •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipple Cum •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 29,938 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 16,781 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 10,604 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 16,760 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 27,158 views 4.5 stars (19 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 29,050 views 4.5 stars (18 votes)

• 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 28,796 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  Added Jun 2015 1,018 words 15,019 views 4.1 stars (18 votes)

• 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 16,975 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 10,958 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 •Muscle Growth •Muscle Theft •Muscle/Strength •Incest •Brothers •Nonconsensual change  Added Jan 2018 2,593 words 46,220 views 4.2 stars (31 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 5,057 views
• How it’s done by phallicphan  [  ]  College centaur shows his younger brother how to breed.  •Muscle/Strength •First Time/Virgin •Incest •Brothers •Centaurs  Added Oct 2017 4,189 words 8,202 views 5.0 stars (6 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 51,915 views 4.4 stars (22 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 7,434 views 5.0 stars (15 votes)

• 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 •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 172,116 views 4.5 stars (74 votes)

• 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 Transformation •Suggestion •Incest •Brothers •Dom/Sub  Added Apr 2012 2 parts 7,238 words 35,396 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 35,988 views 4.7 stars (15 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 7,556 views 4.7 stars (14 votes)
• Look what thinking can get you by Louis C. DePasquale  [  ]    •Muscle/Strength •Incest •Brothers •Mind Control  Added Jun 2012 1,631 words 17,861 views 4.5 stars (11 votes)

• 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 •Man Scent •Incest •Brothers •Father/Son •Humiliation •Nonconsensual change •Sex-Slave •Hyper Pheromones •Hypnosis •Mind Control  Added Sep 2021 2 parts 22,700 words 3,456 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 50,363 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 •M/M  Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 54,159 views 4.8 stars (29 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 17,334 views 4.6 stars (24 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 2,036 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 •Ass 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 5,244 views 5.0 stars (11 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 6,808 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 12,230 views 4.0 stars (5 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 21,036 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  Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 135,520 views 4.7 stars (93 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 33,022 views 4.7 stars (19 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 60,266 views 4.7 stars (46 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 6,682 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 13,201 views 4.1 stars (9 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 127,546 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 4,546 views 4.8 stars (6 votes)

• 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 31,587 views 4.5 stars (24 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 18,442 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.  •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 32,804 views 4.6 stars (39 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 22,628 views 4.7 stars (17 votes)
• Nick by Anonymous  [  ]    •Huge Cock •Muscle/Strength •Incest •Brothers  Added Apr 2003 1,846 words 20,616 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 43,241 views 4.5 stars (21 votes)

• One hot summer by BRK  [  ]  Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer.  •Always Hard •Cock Growth •Huge Cock •Self-suck •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Incest •Brothers •Twins •Nonconsensual change •Fourth of July •Gay Pride •Cannabis •M •M/M •M/M/M •M/M/M/...  Added Jun 2019 Updated Dec 2021 42 parts 88,057 words 41,063 views 4.9 stars (39 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 6,093 views 2.6 stars (7 votes)

• 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 4,122 views 3.8 stars (6 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 40,561 views 4.8 stars (34 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 21,018 views 5.0 stars (8 votes)

• 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 •Muscle Breast •Muscle Growth •Muscle/Strength •Ass 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 30,778 views 5.0 stars (25 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 5,404 views

• 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 74,802 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 34,880 views 4.7 stars (23 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 13,322 views 5.0 stars (12 votes)
• 17 inches by Unknown  [  ]    •Huge Cock •First Time/Virgin •Incest •Brothers  Added Mar 2009 3,639 words 82,208 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 34,931 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 16,736 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 2,245 views

• 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 22,448 views 4.7 stars (19 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 •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Plants •Incest •Brothers  Added Oct 2017 Updated Nov 2017 4 parts 12,642 words 19,539 views 4.9 stars (20 votes)
• 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 2,947 views 4.8 stars (5 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 7,687 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  Added Mar 2019 Updated Aug 2019 5 parts 31,177 words 18,586 views 4.8 stars (33 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 13,493 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 3,784 views

• 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 •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Straight to Gay •Immobility •Muscle Growth •Inflation •App •Incest •Brothers •Bisexual •Nonconsensual change  Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 59,000 views 4.8 stars (38 votes)

• 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 •Ass 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 14,640 views 5.0 stars (13 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 13,600 views 4.6 stars (14 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 13,206 views