Incest

Stories involving sexual relations between family members.

Subtags: Brothers; Father/Son; Twins.

Related: Age Difference; Bestiality; First Time/Virgin; Not Only Male; Seniors.

Child of: Choice of Partner.

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

Recently Updated: “Making the rules”; “Finding Owen”; “Boosted”; “From the files of the Magic Misuse Office”; “The bodyguards”.

167 stories found. Total word count: 3,182,673.

• Adam’s first growth spurt by MDS  Cock MuscUp Musc Giant SizeUp Inc Bro  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. Added Nov 2016 2,350 words 39,343 views 4.3 stars (14 votes)
• Alex’s gift by Will Bowden  Inc Bro Shift  A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. Added Apr 2003 3 parts 4,345 words 35,817 views 4.6 stars (13 votes)
• All good things by Anon Amon  CockUp Balls Cock HyCock CumInf HyCum NipCum 2Gay Immob MuscUp Musc Inc Bro Twins Infect  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. Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 163,954 views 4.5 stars (128 votes)
• Alpha Luke grows his circle by Eric Aaldersen  Balls Cock MuscUp Musc Inc Bro Supn Series  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. Added Mar 2020 8,980 words 6,681 views 5.0 stars (10 votes)
• Alpha Mike and his alpha bro by Eric Aaldersen  CockUp Balls Cock MuscUp Musc Grad Inc Bro Supn Series  Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! Added Mar 2020 5,437 words 6,700 views 4.6 stars (19 votes)
• Alpha product series by Chet Boner  CockUp Balls HyCum NipCum MuscUp Musc AgeDiff Inc Bro Dad Images  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! Added May 2017 Updated May 2019 19 parts 23,227 words 65,488 views 4.3 stars (41 votes)
• Alt-world by BRK  CockUp Cock HyCock XArms XLimb Rep Musc PSD SizeUp Inc Twins M/M  The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers... Added Jul 2011 2 parts 5,265 words 25,685 views 4.9 stars (14 votes)
• Another big morning by Thatbadwriter  CockUp Balls Cock HyCock HyCum MuscUp Musc Giant SizeUp Inc Bro Dad Viol  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… Added Nov 2020 1,226 words 10,948 views
• The awakening by Johnny M  HyCum NipCum MusBr Musc AgeDiff Inc Bro Dad  Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. Added Jul 2012 10 parts 24,690 words 52,104 views 4.6 stars (15 votes)

• Baby brother by Shawn D. Stewart  CockUp MuscUp Musc Taller Inc Bro  "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! Added Mar 2003 2,879 words 104,753 views 4.3 stars (33 votes)
• Bali encounter by LenZelig  Cock Musc Virgin Inc Twins Bi Het  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. Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 10,021 views 5.0 stars (39 votes)
• Bending the straight boys by iciss  CockUp Cock PublicOrg 2Gay MuscUp Musc Handsomer Virgin Inc Bro Twins Nonc Infect  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. Added Jan 2008 2 parts 11,063 words 56,117 views 4.7 stars (36 votes)
• Ben’s escapades by Kaelan  CockUp Balls Cock HyCock Self HyCum NipCum MuscUp Musc Grad Inc Bro  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? Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 45,298 views 4.7 stars (33 votes)
• Beta Logan and his big brother by Eric Aaldersen  CockUp Balls Cock HyCum HyStr MuscUp Musc Grad Inc Bro HyPher Supn Series  Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. Added Jun 2020 6,499 words 11,532 views 5.0 stars (13 votes)
• Big changes by Ziel  CockUp Balls HyCock HyCum Inc Twins Xmas Eas Pride Hallow ValDay Images  Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. Added Dec 2013 Updated Jun 2021 11 parts 68,272 words 74,198 views 4.6 stars (21 votes)
• Blood lust by muscl4life  CockUp Cock HyCock MuscUp Musc SizeUp Inc Twins Nonc Vamp Were Hallow  The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. Added Nov 2013 Updated Dec 2013 3 parts 9,393 words 24,157 views 4.4 stars (8 votes)
• The blue pumpkin by BRK  AlwHard CockUp Cock HyCock HyCum XArms XLimb XTongue Rep MuscUp Musc Str Taller Mcock Inc Twins Merg Supn Hallow Series  Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… Added Oct 2020 6 parts 8,774 words 5,157 views 5.0 stars (14 votes)
• Body game: Encounter 813 by BRK  AlwHard CockUp Balls Cock HyCock HyCum XDig XAbs XCock XArms XLimb XPec XTongue Rep Stack MuscUp Str FootUp Taller PSD SizeUp Hairier HyTongue TongueGr Mcock Inc Bro Series M/M M/M/M  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. Added May 2016 Updated Jun 2021 9 parts 49,133 words 32,876 views 4.9 stars (22 votes)
• The bodyguards by Alakazam1988  CockUp Balls Cock NipC NipCum MuscUp Gut Musc BellyUp Grad PSD SizeUp Infl Inc Bro Twins  Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 24,544 views 4.8 stars (36 votes)
• Boosted by West  CockUp Cock HyCock HyCum XAbs HyMusc MuscUp Musc Taller PSD SizeUp App Inc Bro  Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. Added Aug 2021 Updated Sep 2021 3 parts 5,436 words 7,986 views 4.5 stars (15 votes)
• The box by BRK  CockUp XDig XCock 4Legs XArms XLeg XLimb Rep Str Virgin Inc Bro Witch Series M/M M/M/M M/M/M/...  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. Added Dec 2002 Updated Sep 2019 8 parts 29,657 words 22,526 views 5.0 stars (13 votes)
• Boytaurs from Outer Space! by BRK  Cock XCock Btaur 4Legs XArms XLeg XLimb MuscUp Musc Inc Twins Alien Space M/M M/M/M M/M/M/...  Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. Added Jun 2015 Updated Oct 2016 6 parts 13,050 words 13,285 views 4.4 stars (16 votes)
• The boytaurs of Bel-Air by BRK  XCock Btaur XArms XLeg XLimb MuscUp Inc Twins M/M M/M/M  When Steve’s attempts at bringing boytaurs into popular awareness through CGI ends up being a disaster, his only recourse is to use the real thing. Added Mar 2004 3,080 words 7,688 views
• Brandon’s bro by FanTCMan  CockUp Cock MuscUp Musc Hairier Inc Bro  Brandon initiates his brother onto a secret society of guys who are being made more and more muscular, hung, and sexy. Added Jan 2017 4 parts 8,692 words 21,465 views 4.6 stars (21 votes)
• Brother dear by MsclGuy  Musc Inc Bro   Added Jul 2002 766 words 24,957 views 3.9 stars (8 votes)
• Brotherly love by Seth Peterson  CockUp Balls Cock HyCock MuscUp Gut Musc Taller SizeUp Inc Bro Merg  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. Added Dec 2015 7,666 words 37,492 views 4.8 stars (16 votes)
• Brotherly love by TheSizeKing  CockUp Cock HyCock MuscUp Musc Taller SizeUp Inc Bro  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. Added Apr 2020 5 parts 7,816 words 10,731 views 4.8 stars (13 votes)
• The brothers by FanTCMan  AlwHard CockUp Cock Addict 2Gay MuscUp Musc Grad Hairier Inc Bro  Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. Added Mar 2003 8 parts 22,620 words 92,498 views 4.8 stars (87 votes)
• Brother’s closet by Josh Dugan  Llegs XLeg XLimb Rep Det Inc Bro  A handsome athletic older brother offers somewhat more than expected. Added May 2002 962 words 19,608 views 4.0 stars (5 votes)
• Bull’s strength by muscl4life  AlwHard CockUp Balls Cock HyCock XAbs XCock MuscUp Musc Worship Tf Taller PSD SizeUp AgeDiff Beast Inc Dad Viol Infect Fly  On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 61,569 views 4.8 stars (33 votes)

• Centurion of light by Ravine Mountain  CockUp Cock HyCock NipC HyCum NipCum XAbs MuscUp Musc Voice SizeUp Inc Twins Demons Ancient  A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. Added May 2014 Updated Jan 2019 12 parts 38,226 words 50,168 views 4.9 stars (47 votes)
• The chameleon kid by smitch69  Rep Inc Twins Bi  It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. Added Jan 2006 8 parts 3,678 words 12,721 views 4.6 stars (5 votes)
• Chris olympus by FanTCMan  CockUp 2Gay MuscUp Musc Hairier AgeDiff Inc Dad   Added Dec 2002 3 parts 9,167 words 32,297 views 4.4 stars (16 votes)
• Christmas wish by Riu  CockUp Cock HyCock 2Gay MuscUp Musc Sugg Inc Bro Xmas  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. Added Dec 2016 3,925 words 21,186 views 4.9 stars (21 votes)
• The chronicles of Besar Otot by OneLuckyGuy89  CockUp Cock HyCock XCock MFSwap 2Gay MuscUp Musc Tf Taller PSD SizeUp AgeUp Hairier AgeDiff Inc Bro Dad Nonc HyPher  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. Added Jan 2020 Updated May 2021 8 parts 25,601 words 11,555 views
• Cock tongue fun by lock444  Mcock Inc Bro  Charlie’s mischievous friend Mike discovers Charlie’s brother has a magical device that turns tongues into cocks. Added Jun 2013 2,412 words 13,199 views 4.5 stars (6 votes)
• College town by James Fourlegs  XCock Btaur XLimb Rep WFoot Inc Twins  A randy warlock remains circumspect about having turned the whole town into a herd of boytaurs. Added May 2002 945 words 10,692 views 4.2 stars (6 votes)
• Coming of age by Also Known As  CockUp Balls Cock Self HyCum MuscUp Musc Taller SizeUp HairDecr Inc  Jerry’s teenaged nephew comes to visit him in San Francisco, and turns out to be very huge, very beautiful and very uninhibited. Added Feb 2019 4 parts 12,660 words 17,205 views 5.0 stars (12 votes)
• Company guys by FanTCMan  CockUp Cock Mental 2Gay MuscUp Musc Libido Hairier AgeDiff Inc Dad  You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. Added Dec 2002 2 parts 7,919 words 29,396 views 4.7 stars (10 votes)
• The construction worker by Peterbilt  CockUp Cock Musc AgeDiff Virgin Inc Dad  A troubled young hardhat named Jordan is helped through a series of self-discoveries by Joe, a father-figure who comes to mean more and more to Jordan. Added Sep 2015 22,148 words 21,911 views 4.8 stars (12 votes)
• Cool bracelet, bro by BRK  AlwHard CockUp Cock HyCock Self XCock XHead XArms XLeg XLimb 3Legs XPec Stack MuscUp Musc Retcon Sugg Inc Bro t/t t/t/t  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. Added Feb 2014 Updated Mar 2018 5 parts 16,745 words 58,506 views 4.6 stars (45 votes)
• The cowboy by Chance Riverwind  CockUp Cock Musc Giant AgeDiff Inc Dad   Added Jul 2002 1,967 words 15,714 views 2.0 stars (5 votes)

• Daddy’s little boy by TonnyGiant  Cock Gut Musc PSD AgeDiff Inc Dad Dom  Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. Added Sep 2018 Updated May 2019 2 parts 4,961 words 21,037 views 4.8 stars (9 votes)
• Dad’s gift by John Y.  CockUp Cock AgeDiff Inc Dad  For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. Added Mar 2004 4,994 words 43,895 views 4.6 stars (25 votes)
• Daemos island by Charles Westfall  CockUp Cock MuscUp Musc Libido SizeUp AgeDiff Inc Dad Twins Viol  A Polish scientist and explorer, Ferdinand Rolcek, discovers a hidden island where the lost secrets of the Daemos, alien pioneers of masculine beauty and sexuality far beyond anything known to humanity, are finally revealed to him; and what he learns makes him never want to leave again. Don’t worry, he won’t be lonely. Added Feb 2003 6 parts 14,639 words 26,511 views 3.2 stars (20 votes)
• Damian and the three muscleteens by hyperboi  CockUp Cock HyCock 2Gay MuscUp Musc AgeDiff Inc Bro Dad Twins Infect   Added Dec 2012 5 parts 8,169 words 49,297 views 4.3 stars (26 votes)
• A day at the beach by Thatbadwriter  Cock HyCock Giant SizeUp AgeDiff Inc Dad Viol  You watch in dismay and amazement as your father, who’s gained the ability to grow himself to giant size in a freak medical accident, takes a trip to the beach with you and decides to make himself bigger than he’s ever tried to become before. Added Aug 2019 1,624 words 8,532 views 4.1 stars (16 votes)
• A day at the beach by Three-Legged Dude  XLimb Str Det Inc Bro   Added Apr 2003 723 words 15,038 views 3.3 stars (8 votes)
• A day in the life of a pregnant gay couple by JKL  AlwHard Cock MusBr Musc Mpreg Inc Twins  A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed. Added May 2021 839 words 2,984 views 4.2 stars (5 votes)
• Demon brand jeans by alwaysmyway  Wings MuscUp Musc Inc Bro Hallow Fly  Shopping for creepy Halloween costumes at the last minute is probably not a good idea. Added Aug 2012 6,033 words 25,284 views 4.5 stars (21 votes)
• Desire baubles by Writ Bro  CockUp Cock MuscUp Musc Inc Twins Xmas  Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. Added Dec 2019 3,034 words 4,150 views
• Dig’s island by BRK  CockUp Cock XArms Wings MuscUp Musc Taller SizeUp Inc Bro Fly 19th Cent M/M/M/...  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. Added Mar 2005 4 parts 3,757 words 22,654 views 4.3 stars (7 votes)
• The djinn by hyperboi  CockUp Cock HyCock MuscUp Musc Inc Bro Twins Genie   Added Dec 2012 8 parts 14,201 words 33,081 views 4.8 stars (16 votes)
• Don’t talk about me! by jewelbee  PublicOrg 2Gay BellyUp Fatter Retcon Sugg Inc Dad Nonc  What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? Added Aug 2020 Updated Jul 2021 3 parts 4,348 words 8,669 views 4.9 stars (40 votes)
• The double room by Tyler Wilson  Cock XCock XHead XArms XLimb XTorso Inc Twins Merg  Tyler is confused to find two roommates listed for his double room at the university, but quickly finds that this new arrangement will work very well. Added Jul 2017 Updated Feb 2019 3 parts 7,922 words 11,712 views 4.9 stars (16 votes)
• Double trouble by NBCK99  Inc Twins  Caleb is really into how hot identical twins are. His roommate decides to help him out a little. Added May 2015 4,088 words 11,227 views 4.7 stars (29 votes)
• Doubling up by BRK  AlwHard XAbs XCock XHead XArms XLimb XPec XTorso Stack Inc Twins Merg M/M M/M/M M/M/M/...  All the dorm rooms in Bryce’s building are being combined with another, and everyone’s doubling up. What isn’t immediately apparent is that it isn’t the rooms that are being merged—it’s the roommates. Added Jun 2013 Updated May 2015 3 parts 7,007 words 22,941 views 4.8 stars (16 votes)

• The e-journal by hyperboi  CockUp Balls Cock XBalls XCock MuscUp Musc Retcon Inc Bro Nonc  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. Added Jul 2018 3,597 words 12,901 views 4.5 stars (20 votes)
• Empire by LenZelig  CockUp Cock Self 2Gay MuscUp Musc Taller SizeUp AgeDiff Beast Virgin Inc Bro Dad Twins Bi Het Nonc Slave Share Alien Space Witch Tksg Mind Series  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. Added Apr 2019 Updated May 2021 40 parts 365,561 words 116,767 views 4.8 stars (38 votes)
• Endmyths by Taur Reg  XLimb AgeDiff Inc Dad Cent Naga Shift  Transformations spread through an entire town—but why? Added Aug 2013 12 parts 18,537 words 14,671 views 4.8 stars (6 votes)
• The escape by hyperboi  CockUp Cock HyCock Self 2Gay MuscUp Musc Inc Bro Twins Nonc Alien  Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all... Added Dec 2014 3,492 words 21,134 views 4.7 stars (21 votes)

• Family trouble by HandsomeLitleBoy  CockUp Balls Cock HyCum MuscUp Taller Inc Bro Twins  Max starts to notice some strange behavior from his big brother Brad—behavior that involves ungodly amounts of cum. Added Oct 2020 2 parts 2,454 words 6,725 views 4.7 stars (7 votes)
• Family values by FanTCMan  Cock 2Gay MuscUp Musc Hairier Inc Bro  Visiting his brothers in California leads to surprise after surprise, starting with their being much bigger than they had been before... Added Jul 2014 1,448 words 26,480 views 3.9 stars (30 votes)
• Field agent by BRK  CockUp Cock HyCock HyCum XCock Btaur 4Legs XArms XLeg XLimb Rep MuscUp Nude SizeUp Inc Twins Infect Cent  Special agents Adkins and Barber interview a rancher in relation to their current case. There’s something odd about the handsome Latino, though—starting with the fact that he won’t get down off his horse. Added Apr 2020 Updated Nov 2020 2 parts 5,236 words 6,441 views 4.8 stars (15 votes)
• Finding Owen by BRK  Cock MuscUp Musc Taller PSD SizeUp Hairier Inc Bro Viol Wbear Were Supn Series  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. Added Aug 2019 Updated Sep 2021 12 parts 73,076 words 20,672 views 4.9 stars (16 votes)
• The formula by hyperboi  CockUp Cock HyCock Self MuscUp Musc AgeDiff Inc Bro Dad Twins  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. Added Jan 2021 Updated Feb 2021 4 parts 14,631 words 17,488 views 4.9 stars (29 votes)
• Four for the game by Clearlyhere  CockUp CockDn Cock MuscUp Musc Handsomer SizeUp Inc Bro Swap  Four jocks play a body changing game. Added Feb 2017 2,962 words 16,692 views 4.5 stars (19 votes)
• The four jocks book 2 by BRK  CockUp Cock XLimb Rep MuscUp Musc Inc Twins Series M/M M/M/M/...  The game has been passed on to a bunch of swim team hotties, who elect to play immersed in a hot tub. Added Sep 2009 2 parts 3,968 words 16,969 views 4.6 stars (5 votes)
• The four jocks: College buddies by NBCK99  AlwHard CockUp Cock Self XCock XLimb MuscUp Musc Retcon Inc Bro Series  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. Added Aug 2015 4,873 words 17,736 views 4.9 stars (16 votes)
• The four jocks: Horny teens by hyperboi  CockUp Balls Cock HyCock NipCum XCock Btaur 4Legs XArms Rep MuscUp Musc Taller SizeUp Inc Bro Series   Added Apr 2014 3 parts 7,484 words 29,199 views 4.7 stars (7 votes)
• The four jocks: Online edition by BRK  AlwHard CockUp Cock XCock XLimb XTorso Rep MuscUp Musc Mcock Inc Bro Series M/M M/M/M/...  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. Added Jul 2012 3 parts 7,578 words 16,388 views 4.6 stars (7 votes)
• The four jocks: At the lake by BRK  AlwHard CockUp Cock XCock XArms XLimb MuscUp Musc Sugg Inc Bro Twins Series M/M M/M/M/...  When Dane and his brother Sean go on a celebratory road trip after finishing college, Sean's best friends, the Fernandez twins, naturally tag along. But their trip takes a strange turn right out of the gate, not least thanks to a game the guys find in their room at the lakeside bed and breakfast. Added Jul 2017 5,950 words 9,938 views 4.4 stars (11 votes)
• Frank’s boyss by Multiple Authors  Cock XCock XLimb Inc Bro   Added Mar 2009 2 parts 5,815 words 16,486 views
• Frat hunting by hyperboi  CockUp HyCock MuscUp Musc Sugg Inc Bro Twins  A pair of twins with the ability to alter themselves and the world around them have some fun tailoring one of the frats to meet their needs. Added Jul 2013 Updated Aug 2013 1,543 words 26,678 views 4.5 stars (17 votes)
• From the files of the Magic Misuse Office by BRK  CockUp Cock XCock XHead XArms XLimb XTorso Rep 2Gay MuscUp Libido Tf SocMed Inc Twins Merg Witch M/M M/M/M  High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. Added Sep 2017 Updated Sep 2021 6 parts 20,306 words 14,637 views 4.9 stars (34 votes)
• A fucking god by Jerkoffcentral  CockUp Balls Cock HyCum HyMusc MuscUp Musc Inc Bro  A teenager is both exasperated and incredibly turned on by how his body and everything about it seems to be getting freakier and freakier. Added Mar 2019 Updated Jun 2020 2 parts 5,278 words 27,479 views 4.5 stars (17 votes)

• Glitch by BRK  AlwHard CockUp Cock XDig XAbs XCock XArms XLeg XLimb 3Legs XPec Rep Stack NoShirts HyTongue TongueGr Retcon Inc Twins M/M M/M/M  Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. Added Dec 2020 Updated Mar 2021 4 parts 13,963 words 4,301 views 4.9 stars (7 votes)
• Growing closer by Chance Micheals  CockUp Cock MuscUp Musc Inc Bro  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. Added Jun 2015 1,018 words 14,718 views 4.1 stars (18 votes)

• The Halloween costume by frooooooo  Inc Bro Merg Hallow  A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? Added Oct 2012 2,220 words 16,608 views 4.0 stars (7 votes)
• Have yourself a megalithic Christmas by Ziel  CockUp Cock HyCock Giant SizeUp Inc Bro Xmas Series  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. Added Dec 2016 8,115 words 10,526 views 3.6 stars (7 votes)
• His brother drains his manhood by Ballmeat  CockUp CockDn MuscUp MuscDn Musc Inc Bro Nonc  A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. Added Jan 2018 2,593 words 43,353 views 4.1 stars (28 votes)
• Home for the holidays by Richard Jasper  CockUp Cock MuscUp Musc Taller Inc Bro Xmas  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! Added Dec 2020 3,149 words 4,410 views
• How it’s done by phallicphan  Musc Virgin Inc Bro Cent  College centaur shows his younger brother how to breed. Added Oct 2017 4,189 words 7,759 views 5.0 stars (6 votes)

• I wanna get huge by JayPat  MuscUp Musc SizeUp Inc Bro Xmas ValDay Series  “I wanna get huge,” he said. Added Oct 2012 2 parts 21,281 words 50,649 views 4.4 stars (22 votes)
• Illusions by Cockatrice  Det Inc Twins  Jacob is a huge fan of the famous magician Wondrous Will. One day he is invited backstage and is let in on the show’s biggest secret. Added Dec 2019 3,670 words 2,052 views
• Induced transformation: a brief history by BRK  CockUp Cock HyCock HyCum Rep MuscUp AgeDn App Retcon AgeDiff Inc Bro Dad Nonc Infect Dialog  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. Added Jun 2020 2,248 words 6,417 views 5.0 stars (12 votes)

• Jason’s big problem by Joven  CockUp Balls Cock HyCock HyCum MuscUp Musc Taller SizeUp Inc Bro t/t t/t/t  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. Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 165,911 views 4.5 stars (74 votes)
• Jocktaur pledge by BRK  CockUp Cock Btaur 4Legs XLeg XLimb Inc Twins  High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. Added Sep 2020 4,791 words 2,003 views

• The Latin twins by RdyRoger  CockUp CockDn Balls Cock 2Gay MuscUp Musc Grad Taller SizeDn SizeUp Race Sugg Inc Bro Dom  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. Added Apr 2012 2 parts 7,238 words 34,413 views 4.6 stars (8 votes)
• Little bro by Ziel  CockUp Cock HyCock MuscUp Musc Giant SizeUp Inc Bro  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. Added Apr 2017 5,382 words 34,417 views 4.7 stars (15 votes)
• Lockdown gym by BRK  AlwHard CockUp Cock Rep 2Gay MuscUp Musc Worship NoShirts Handsomer Grad Taller AgeDiff Inc Bro Twins Pandem M/M M/M/M/...  When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. Added Apr 2021 3,110 words 6,308 views 4.7 stars (14 votes)
• Look what thinking can get you by Louis C. DePasquale  Musc Inc Bro Mind   Added Jun 2012 1,631 words 17,599 views 4.5 stars (11 votes)
• The lost temple of Shar’hradar by Charvolth  Cock MuscUp Musc PointyEars SizeUp Inc Twins Witch Fant  I recently discovered that there was more to this D&D-inspired, enhanced-player fantasy adventure than I originally posted back when it was first submitted for the 2005 story contest. Here, very belatedly, is the rest of it. Added Jun 2005 Updated Aug 2016 4 parts 11,568 words 10,339 views
• Love/shift by BRK  MuscUp Musc NoShirts Scent Grad Tf SizeUp Hairier AgeDiff Inc Dad Wbear Supn Series M/M  Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. Added Dec 2017 Updated Apr 2019 11 parts 68,079 words 34,339 views 4.8 stars (30 votes)

• Making the rules by EdIam  Mental Scent Inc Bro Dad Hum Nonc Slave HyPher Hypno Mind  Frank likes structure and rules in his home. Desmond likes corrupting families. Whatever could happen when the two meet? Added Sep 2021 2 parts 22,700 words 2,583 views
• Male scent by Frank Easky  CockUp Balls Cock HyCock HyCum HyMusc MuscUp Musc Scent Taller Giant SizeUp AgeDn Hairier Inc Bro Twins HyPher Infect  Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. Added Jul 2002 2 parts 13,564 words 48,212 views 4.0 stars (15 votes)
• Mass X by Max Mann  CockUp Cock 2Gay MuscUp Musc Libido Handsomer Hairier AgeDiff Inc Dad Xmas New Years  Five short stories of men getting bigger and sexier, through the use of “Mass X”. Added Feb 2005 5 parts 19,019 words 37,253 views 4.6 stars (14 votes)
• Massive by Alex Rif  SizeUp Suit AgeDiff Inc Dad Lycra Hallow Super Images  James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on. Added Feb 2016 2 parts 2,851 words 27,146 views 3.3 stars (13 votes)
• Matched pairs by Jerkoffcentral  CockUp Cock Self MuscUp Musc Virgin Inc Bro Bi M/M  Peter becomes infected, not just with growth, but with a need for more strength and size. Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 53,118 views 4.8 stars (29 votes)
• Matt and his dad by Meddler Incs  Cock 2Gay MuscUp Musc Inc Dad Nonc Symb Hypno Series  When Matt comes home to visit his dad, he is forced into being part of The Crew. Added Jun 2020 3,343 words 7,284 views
• Max and Chris by Drillur  Cock HyCum Inc Bro  Two very hung brothers get tired of solo sex. Added Jul 2014 1,502 words 16,804 views 4.6 stars (24 votes)
• Me two by BRK  XCock XHead XLeg XLimb 3Legs XPec Rep Inc Twins Merg  Chris has some time off from his celluloid heroics as an A-list movie star and is going through fan mail when he finds a joke twin-making machine. Amused, he tries it out, with… unexpected results. Added Jan 2021 2,725 words 1,942 views 5.0 stars (7 votes)
• Metachange by LordTronimator  CockUp Balls Cock HyCock HyCum 4Legs XArms XLeg XLimb App Inc Bro Hum Nonc  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? Added May 2020 Updated Jun 2020 5 parts 8,689 words 6,142 views 4.6 stars (11 votes)
• The meteor shower by AGammer  CockUp Cock XCock XHead Inc Bro  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. Added Jan 2013 2 parts 2,738 words 11,961 views 4.0 stars (5 votes)
• Michael and jim by Your Name Here  CockUp Cock MuscUp Musc Hairier Inc Bro   Added Jul 2006 1,317 words 20,614 views 2.9 stars (7 votes)
• Mind and body by BRK  AlwHard CockUp Cock XCock 2Gay MuscUp Musc NoShirts Taller SizeUp App Sugg Inc Bro Hypno Mind  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. Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 131,981 views 4.7 stars (92 votes)
• Misdirected by BRK  AlwHard CockUp Cock Self SizeUp Inc Bro  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. Added Oct 2009 6 parts 5,664 words 32,504 views 4.7 stars (19 votes)
• Musclove, Texas by Max Mann  CockUp HyCock HyCum MuscUp Musc AgeDiff Virgin Inc Bro Dad Twins Bond  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). Added Sep 2004 9 parts 26,085 words 58,417 views 4.7 stars (45 votes)
• My brother was a teenage muscle freak! by Pump Culture  MuscUp Musc Inc Bro  This is a story of how my muscle fetish first got started and how my brother turned himself into a true muscle freak. Added Nov 2020 3,084 words 5,758 views 4.8 stars (5 votes)
• My brother’s boyfriend by Richard Jasper  Balls 2Gay HyMusc HyStr MuscUp Musc Taller SizeUp Inc Bro HyPher  Hunky, straight Marine Kyle is gobsmacked to find out that his bigger, hotter baby brother has an even bigger, hotter boyfriend! Added Feb 2020 5 parts 8,843 words 12,184 views 4.1 stars (8 votes)
• My growth journal by Kaelan  CockUp Cock Self MuscUp Musc Inc  It's my 30th birthday... and all of a sudden my body keeps changing. And it's awesome. Added Jul 2017 3,692 words 15,471 views 4.7 stars (11 votes)
• My roommate (complete) by LenZelig  CockUp Cock MuscUp Musc AgeDiff Virgin Inc Bro Dad Bi Het Dom Witch Pride Mind  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.”) Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 122,304 views 4.9 stars (77 votes)
• My roommate’s soft spot by brazboy  Cock XCock Mcock Inc Bro  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. Added Jul 2021 5 parts 14,413 words 3,686 views 4.8 stars (6 votes)
• My son home on leave by Peterbilt  Cock Musc AgeDiff Inc Dad  A story of sex between a man and his adult Marine son when he is home on leave. Added Feb 2017 2 parts 18,403 words 13,536 views 4.7 stars (9 votes)
• My son is worried about his big cock by UnknownGentrifier  Cock AgeDiff Inc Dad  Andy seeks his father’s advice about whether his cock really is too big, like his friends say it is. Added Oct 2020 2,194 words 4,969 views 3.3 stars (10 votes)
• My son, the superstud by Max Mann  CockUp Cock 2Gay MuscUp Musc AgeDiff Inc Dad  Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him. Added Oct 2003 3,842 words 104,768 views 3.8 stars (30 votes)

• Naked morph for ps2 by Male Enhancer  CockUp Cock MuscUp Musc SizeUp Inc Bro  Three brothers play a video game that has a direct effect on the people playing it. Added Jun 2013 4 parts 3,180 words 31,111 views 4.5 stars (24 votes)
• Necklace brothers by Levitate  MuscUp Musc SizeDn SizeUp Inc Bro Twins  A pair of undersized twins use a magical necklace to grow themselves—not realizing that the growth came with a price. Added May 2015 1,423 words 17,920 views 3.0 stars (5 votes)
• The new job by hyperboi  CockUp Cock HyCock HyMusc MuscUp Musc Grad SizeUp Inc Bro  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. Added Aug 2014 8 parts 20,447 words 31,401 views 4.6 stars (39 votes)
• New neighbors by BRK  Cock XCock AgeDiff Inc Dad  Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late. Added Jan 2016 Updated Nov 2019 2 parts 11,319 words 16,668 views 4.4 stars (9 votes)
• The new simulation game by hyperboi  CockUp Cockfuck Cock HyCock 2Gay MuscUp Musc Inc Bro  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. Added Mar 2016 5 parts 10,449 words 21,107 views 4.7 stars (16 votes)
• Nick by Anonymous  Cock Musc Inc Bro   Added Apr 2003 1,846 words 20,335 views
• The night shift by Dreamtransformer  Musc AgeDiff Inc Dad   Added Dec 2013 1,239 words 11,302 views
• No strings attached by muscl4life  CockUp Cock HyCock CumInf MuscUp Musc SizeUp Inc Bro Twins Hypno  Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. Added May 2014 3 parts 39,280 words 41,771 views 4.5 stars (20 votes)
• Not just imagination by DarkDjin  CockUp Cock MuscUp Musc Sugg AgeDiff Inc Dad  Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it. Added Jun 2014 Updated Jul 2014 2 parts 10,894 words 34,139 views 4.6 stars (34 votes)

• One hot summer by BRK  AlwHard CockUp Cock Self Mental MuscUp Musc NoShirts Grad Taller Hairier Inc Bro Twins Nonc Pride Weed  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. Added Jun 2019 Updated Jun 2021 36 parts 76,165 words 34,671 views 4.9 stars (28 votes)
• Overshadowed by Cris Kane  Mental 2Gay Tf Inc Bro  Jealous of his jock older brother, gay misfit Lance gets a magical chance to change things. Added Apr 2019 2,658 words 5,702 views 2.6 stars (7 votes)

• Perfectly normal by EdIam  AlwHard Mental 2Gay NoShirts Retcon Inc Bro Dad Nonc  John is working on reality-bending science… but perhaps he should vet his employees a little more carefully. Added Jan 2021 8,364 words 3,517 views 3.8 stars (6 votes)
• Pool party by FanTCMan  MuscUp Musc Handsomer AgeDiff Inc Dad   Added Dec 2002 1,579 words 16,636 views 4.6 stars (5 votes)
• The power of suggestion by BRK  CockUp Cock XCock Rep MuscUp Musc SizeUp Retcon Sugg Inc Bro Twins Series  On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. Added Feb 2009 1,878 words 39,719 views 4.8 stars (33 votes)

• Reality Pack by Thorn  CockUp Cock MusBr MuscUp Musc AssUp BellyUp Grad Taller PSD Hairier App AgeDiff Virgin Inc Bro Dad  What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 26,723 views 5.0 stars (25 votes)
• The runner by LenZelig  Cock 2Gay Musc Sugg AgeDiff Inc Bro Dad Bi Het Dom Series  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. Added Jun 2020 8,270 words 4,543 views

• The salt by RdyRoger  CockUp Cock MuscUp Musc Worship Libido Grad Taller SizeUp TongueGr Inc Bro Series  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. Added Jun 2010 9 parts 35,754 words 72,860 views 4.7 stars (18 votes)
• Sam and Bolt by Alakazam1988  CockUp Balls Cock HyCock NipC Self CumInf HyCum NipCum Taller SizeUp Hairier AgeDiff Inc Dad Infect  Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 63,239 views 3.7 stars (56 votes)
• Say cheese and grow by hyperboi  CockUp Cock Self MuscUp Musc Grad Inc Bro t/t t/t/t  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. Added Nov 2013 13 parts 29,433 words 34,114 views 4.7 stars (23 votes)
• Scratch-and-win by BRK  CockUp Cock XCock Inc Twins  Sometimes the lottery scratch-off isn’t about money at all. Added Nov 2003 2 parts 2,759 words 11,486 views 4.4 stars (5 votes)
• Secret Santa by BRK  CockUp Cock XAbs XArms XLeg XLimb 3Legs Rep MuscUp Musc NoShirts Inc Bro Xmas Series  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. Added Dec 2016 3 parts 15,182 words 12,591 views 5.0 stars (12 votes)
• Seeing stars by OneLuckyGuy89  CockUp Balls Cock HyCock 2Straight MuscUp Gut Taller SizeUp Hairier Inc Twins Nonc Infect Merg Super  12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. Added Mar 2020 Updated May 2020 2 parts 8,520 words 6,445 views 4.0 stars (5 votes)
• 17 inches by Unknown  Cock Virgin Inc Bro   Added Mar 2009 3,639 words 81,544 views 4.4 stars (20 votes)
• Shirtbusters by TFWizard  MuscUp Musc SizeUp AgeDiff Inc Dad  Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. Added Oct 2005 2 parts 6,769 words 43,886 views 4.1 stars (14 votes)
• The shirtless club by BRK  Cock Musc NoShirts Inc Bro Twins  A cute, well-built teenager and his twin friends make a pact to keep their shirts off at all costs. Added Jul 1997 Updated Jul 2010 2 parts 7,620 words 34,598 views 4.6 stars (13 votes)
• Sizemorph by ChangeRedhawk  CockUp Cock MuscUp Musc Inc Bro Rape   Added Mar 2003 1,235 words 16,282 views
• The ski trip by Allan Cedar  XCock XArms XLimb Inc Twins  A group of multilimb guys get to know each other better in a secluded ski cabin. Added Mar 2013 2 parts 4,768 words 9,479 views
• The smuggler by BRK  Cock HyCum Scent Inc Bro Twins Fant Series  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. Added Apr 2021 2 parts 6,395 words 1,981 views
• Spice by Mr. X and Mad Dog  CockUp Cock MuscUp Musc Worship Scent Grad Voice SizeUp Hairier AgeDiff Inc Dad Pride  In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. Added Oct 2009 Updated Nov 2019 50 parts 221,027 words 185,877 views 4.1 stars (59 votes)
• Spin the bottle by EdIam  Cock 2Gay Inc Dad Dom  Matty lives in a pretty homophobic area with pretty homophobic friends, but maybe a magically-enhanced game of spin the bottle can help loosen them up? Added Aug 2021 9,825 words 2,265 views 3.8 stars (5 votes)
• Suggestions by Jack the Mindbender  Cock Sugg AgeDiff Inc Dad Mind  Jack is surprised by how quickly his hot stepfather goes from a closed book to jerking off right in front of him… Added Dec 2018 2,749 words 7,384 views 4.4 stars (9 votes)

• Target practice by Cris Kane  Rep Mental MuscUp Musc Tf Inc Twins Nonc  Jake and Mark spot a pedestrian who would make a nice addition to the frat. Added Nov 2019 1,635 words 4,269 views
• Ten ways to get big and strong by BRK  CockUp Cock MuscUp Musc SizeUp Inc Bro  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. Added Jun 2016 Updated Sep 2016 4 parts 13,105 words 22,068 views 4.7 stars (18 votes)
• They came from outer space by WordShop  CockUp Balls Cock MuscUp Musc Hairier Plants Inc Bro  Playing with meteors can have strange side effects. Two young brothers living near a military base find themselves changing from exposure to meteorite dust. Added Oct 2017 Updated Nov 2017 4 parts 12,642 words 19,035 views 4.9 stars (20 votes)
• Three-legged bros by BRK  XAbs XCock XLeg XLimb 3Legs Inc Bro  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. Added May 2020 3,562 words 2,490 views 4.8 stars (5 votes)
• To a tee by Cris Kane  CockUp Cock MuscUp Musc Tf Taller Inc Bro  Teddy is amazed to see how much his older brother has grown since going away to college. Added Dec 2019 2,189 words 7,210 views
• Touch by BRK  Cock Mental Musc NoShirts Inc Bro  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. Added Mar 2019 Updated Aug 2019 5 parts 31,177 words 18,003 views 4.8 stars (33 votes)
• Toy story by LenZelig  MuscUp Musc AgeDiff Inc Dad Twins Andr Space  During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen. Added Jul 2002 2 parts 6,947 words 24,822 views 5.0 stars (50 votes)
• Tuesday by BRK  XDig XAbs XCock XArms XLimb XPec Rep Str Inc Twins Swap  My best bud Kev and I have a secret. Okay, it’s a really badly kept secret—I grow extras. But when Kev starts to change too, we soon find out there are lots of secrets at my school. Added May 2003 Updated May 2021 7 parts 13,431 words 25,675 views 5.0 stars (9 votes)
• Twin studs by Anonymous  Cock XCock XArms XLimb AgeDiff Virgin Inc Bro Dad Twins   Added Jul 2014 3 parts 42,539 words 12,606 views 4.0 stars (22 votes)
• Two brothers by Richard Jasper  MuscUp Musc Grad Inc Bro  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!). Added Oct 2020 7 parts 7,269 words 3,442 views

• Ultimate muscle by Ultra-Muscle  Cock MuscUp Musc AgeDiff Inc Dad  Philip gets injected with what he wants most—something that will make him a big muscle man like his dad. Added Dec 2013 1,418 words 24,203 views 3.6 stars (7 votes)
• An unexpected inflation by UberPump  CockUp Pumping Cockfuck Balls Cock HyCock CumInf HyCum 2Gay Immob MuscUp Infl App Inc Bro Bi Nonc  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. Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 53,427 views 4.9 stars (65 votes)

• Visiting home by Wicked  Cock MuscUp Musc SizeUp AgeDiff Inc Dad Infect  Asher spent his entire first semester working out and gaining some serious muscle, but when he returns home for winter break, he doesn’t realize that he’ll be the one amazed by how much someone can change. Added Jan 2016 Updated May 2016 2 parts 6,753 words 32,069 views 4.8 stars (21 votes)

• Werequeer by Anonymous  CockUp Balls HyCock HyCum Tf AgeDiff Inc Dad  A dad helps his son through his first transformation into a WereQueer. Added Apr 2004 2,426 words 26,536 views 4.9 stars (16 votes)
• Werewolf High by BRK  AlwHard CockUp Cock HyCock XDig XCock XArms XLimb Rep MuscUp Musc SizeUp Inc Twins Were  The star of a teen werewolf show has a nagging sense that something weird is happening to the show’s extremely muscular, hung, and horny cast and crew, but he can’t quite put his finger on what it is. Added Jul 2014 Updated Dec 2015 3 parts 12,574 words 30,676 views 4.5 stars (28 votes)
• What a dear deer boy by Thatbadwriter  CockUp Balls Cock HyCock HyCum AssUp Giant PSD SizeUp 2Animal Virgin Inc Bro HyPher Fur  Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. Added Feb 2021 Updated Mar 2021 5 parts 12,430 words 12,769 views 5.0 stars (11 votes)
• The Wizard of Hot by hyperboi  CockUp Balls Cock HyCock HyCum XCock XArms XLeg XLimb 3Legs Musc Det Giant PSD SizeUp Inc Bro Fur Witch Fant Supn  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. Added Apr 2021 Updated Jul 2021 10 parts 38,884 words 12,532 views 4.6 stars (14 votes)
• Woody by BRK  AlwHard XCock SizeUp Inc Bro Twins  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. Added Aug 2013 2 parts 4,705 words 12,967 views
• Wordplay by BRK  CockUp Cock XAbs XCock XArms XLimb MuscUp Musc Inc Twins  Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. Added Aug 2015 6,907 words 13,466 views

• The Zeke chronicles by Sean Reid Scott  CockUp Cock MuscUp Musc Worship Taller AgeDiff Inc Dad Dom  Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger. Added Jul 2013 Updated May 2017 7 parts 27,675 words 38,699 views 4.3 stars (16 votes)