This tag describes changes that take place gradually over time, rather than all at once in a big transformation, or a series of big transformations at different times.
Age Progression; Age Regression; Belly Growth; Body Parts in Strange Places; Body Suit; Breast Expansion; Detachable; Foot Growth; Gender Swap; Getting Fatter; Getting Hairy; Hairless; Human to Animal; Human to Body Part; Human to Inanimate; Inflation; Male Pregnancy; Race Transformation; Stretchy; Transformation.
Other Physical Changes. Top Stories: “Spice”; “Puberty is a bitch”; “The brothers”; “The salt”; “Ben’s escapades”; “Enlargement”; “The good freak”; “Skin tight”; “The Latin twins”; “Say cheese and grow”. Recently Updated: “Canis drainem”; “Scenes: muscle growth shorts”; “Two brothers”; “Make the fur fly”; “The cock blog”; “Frank revisited”; “Summer vacation”; “Skin tight”; “Quinquetra”; “My quarantine get in shape plan”; “Senior year”.
69 stories found.
by Alpha Luke and the wrestling team Eric Aaldersen CGrow Grad Balls Cock Cum Pher Strong MGrow Musc Supn Series Luke finds another beta mate on his wrestling team and his sexual energy infects the whole team during a special match! Added Aug 2020 6,920 words 3,276 views 5.0 stars (8 votes) by Alpha Luke passes on the lore Eric Aaldersen CGrow Grad Balls Cock MGrow Musc Supn Series Luke and Brian’s story finally reaches its climax and afterwards things get positively mystical. Added May 2020 4,887 words 2,385 views 5.0 stars (7 votes) by Alpha Mike and his alpha bro Eric Aaldersen Bro CGrow Grad Balls Cock MGrow Musc 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 4,885 views 4.6 stars (18 votes) by Angelo and Adrian WordShop CGrow Grad Pher Infect MGrow Musc Genius Angelo and sweet Adrian are both scarred by their pasts. Angelo has to accept change in his life, and accidentally, without intending it, Adrian is forced to accept a new life for which he is not at all prepared. Added Oct 2017 Updated May 2018 9 parts 43,220 words 19,435 views 4.4 stars (7 votes) by Ben’s escapades Kaelan Bro CGrow Grad Balls Cock HyCock Cum MGrow Musc NipCum Self 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 38,864 views 4.6 stars (28 votes) by Best buds Richard Jasper Hair Grad Cock MGrow Musc 2Gay John and James, one straight, one gay, are freshman roommates. They bond over bodybuilding… and succeed beyond their wildest imaginings. Added Feb 2020 9 parts 13,438 words 6,027 views by Beta Logan and his big brother Eric Aaldersen Bro CGrow Grad Balls Cock Cum Pher Strong MGrow Musc Supn Series Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. Added Jun 2020 6,499 words 6,631 views 5.0 stars (11 votes) by A big year Dancer CGrow Grad Cock Immob MGrow Musc PSD Grow Andy gets a big surprise when a fortune teller tells him he will have big gains this year. Added Mar 2018 4,317 words 15,651 views 4.3 stars (12 votes) by The body spray Coalth Fur Hair Grad Cock MGrow Musc Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. Added Mar 2013 6 parts 5,880 words 29,048 views 5.0 stars (5 votes) by The brothers FanTCMan Addict Hard Bro CGrow Hair Grad Cock MGrow Musc 2Gay 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 84,907 views 4.8 stars (85 votes) by Canis drainem Ziel Grad Nonc Shr Pals Cecil and Harvey have a plan to cut the resident bully down to size, but things quickly spiral out of control. Added Jun 2020 Updated Nov 2020 4 parts 12,583 words 3,934 views by The cock blog TheSizeKing CGrow Grad Balls Cock HyCock Cum Self Patrick was just your average 25 year old guy. He’s just got one secret: he has the world’s biggest dick, and it seems to be getting bigger. Added Aug 2020 Updated Oct 2020 5 parts 8,685 words 6,299 views 4.3 stars (9 votes) by Come to me Richard Jasper Grad MGrow Eric is a hot, young skimpy stud—what nowadays we'd call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice's advice—with results more spectacular than he could have imagined! Added Apr 2020 10 parts 12,348 words 4,723 views 5.0 stars (5 votes) by Contamination RdyRoger CGrow Hair Taller Grad Balls Cock Infect MGrow Musc Grow After his dick came in contact with an experimental substance, high schooler Vincent starts slowly getting bigger… first in his crotch and then other places, too. Thomas, a tall, handsome jock, likes teasing him about it at every opportunity. Added Jul 2019 6,135 words 11,614 views 5.0 stars (5 votes) by Cursed cocks CockTFBoi CGrow CShr FTM Grad MGrow 2Gay Marcus is having a horny night in the dorm when an inadvertent wish by his roommate sends him on a path to a new life. Added Aug 2020 8 parts 25,154 words 4,270 views by The fake boyfriend BRK CGrow Dig Taller Grad Cock HyTongue MGrow Musc PSD Grow Zeke must travel back to his hometown, Woody Hole, in a last-ditch effort to prove he’s gay and end the eternal matchmaking with his high-school girlfriend, Stacy. A fake boyfriend is the only way—but Zeke’s closest relationship is with a customized character from an open-sandbox simulation game, a cocky personal trainer named Troy. Added Aug 2020 4 parts 13,706 words 3,516 views 4.7 stars (6 votes) by Frank revisited Richard Jasper AgeDiff CGrow Grad Cock MGrow Musc An update to a classic anonymous story. 16-year-old Frank Wynn is stick thin until a mishap in the backyard shed douses him in every chemical known to gardening and lawn care. His resulting spectacular growth is everything he could have dreamed of! Added Oct 2020 4,445 words 2,804 views by The good freak Also Known As Hard CGrow Taller Grad Balls Cock Cum Infect MGrow Musc Grow Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... Added Nov 2002 33 parts 33,508 words 33,681 views 4.8 stars (13 votes) by Growing relationship Alakazam1988 CGrow Grad Balls Cock HyCock MGrow Musc Shortly after finding the love of his life, Connor has these strange shivers now and then. First, he tries to deny everything, but the truth can’t hide for long. Connor’s cock grows with each shiver. Year after year after year. Added Nov 2018 4 parts 10,893 words 11,327 views 5.0 stars (12 votes) by Hard to hide BRK CGrow Taller Grad Cock HyCock Merg MGrow Musc Share Shr Grow Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. Added Jun 2017 Updated Jul 2019 7 parts 20,225 words 16,410 views 4.7 stars (11 votes) by Hey, buddy Dream Big CGrow Giant Grad Cock MGrow Musc PSD Self Grow Tf Ben’s high school crush, Charlie, resurfaces in his life after a mysterious incident at sea left him with a strange tattoo and a propensity for slow, inexplicable growth. Added Oct 2019 Updated Aug 2020 15 parts 15,491 words 14,226 views 4.9 stars (22 votes) by Jessie’s girls Richard Jasper Grad MGrow Musc Three young men—Jessie, Henry, and Frank—have known each other since they were five years old, when their respective families each wound up moving to Magnolia Terrace at roughly the same time. Jessie was the jock, Henry was the brainiac, Frank the artsy one. This is the story of how they grew up together (and boy howdy did they grow!). Added May 2020 7 parts 6,213 words 991 views by John the wizard RdyRoger CGrow Hair Taller Grad Balls Cock Cum MGrow Musc Grow Sugg John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. Added Dec 2017 Updated Sep 2019 7 parts 24,468 words 25,723 views 4.5 stars (19 votes) by Jonathan’s journey Richard Jasper CGrow Taller Grad Cock MGrow Musc Grow Join Jonathan and his best friend Todd on their four-year journey from geeky 14-year-olds to veritable mountains of mind-blowing muscle! Added May 2020 13 parts 13,301 words 1,994 views by Just a little bigger Dream Big Bi B/E CGrow Taller Grad Het Cock MGrow Musc Self Tf Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 16,492 views 4.5 stars (11 votes) by The Latin twins RdyRoger Bro CGrow CShr Dom Taller Grad Balls Cock MGrow Musc Race Shr Grow 2Gay Sugg 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 31,135 views 4.6 stars (7 votes) by Let’s make a bet Seth Peterson Belly Fem Dom Taller Grad MusBr MGrow Gut Musc PSD My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend! Added May 2019 3 parts 10,394 words 10,264 views 4.1 stars (8 votes) by Li’l Dude Richard Jasper CGrow Taller Grad Cock MGrow Musc Grow Robert is a geeky college freshman, totally smitten with his “senior buddy,” a big, built, blond, hunky California surfer dude named Chris, who dubs him “Li’l Dude.” Ridiculous muscle growth ensues (as usual!). Added May 2020 10 parts 10,503 words 1,973 views by The long slow road to hugeness Richard Jasper CGrow Grad Cock MGrow Musc Kevin Foxworth starts lifting at 16 with your basic Weider barbell set. Despite his best efforts, he never gains more (or less) than 10 lbs. of muscle per year. More than 20 years later, he’s still at it. Do the math! Added Aug 2020 6 parts 6,802 words 1,724 views by A love letter Seth Peterson Belly Fat Taller Grad PSD 2Gay A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! Added May 2020 20,430 words 1,666 views by Love/shift BRK AgeDiff NoShirts Dad Hair Grad Scent MGrow Musc Grow Supn Tf Wbear Series 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 30,370 views 4.8 stars (28 votes) by Make the fur fly LordTronimator Fur CGrow Grad Balls Cock 2Anim HyCock Cum Nonc Nude Retcon Tf After a boy buys a custom-made fursuit based off his fursona and puts it on, his body begins to experience strange changes that only he seems to notice. Added Aug 2020 Updated Oct 2020 6 parts 8,330 words 3,285 views 5.0 stars (7 votes) by Morphogenic steroids RdyRoger CGrow Hair Taller Grad Balls Cock Infect MGrow Musc PSD Self Grow Rod’s dad is working on a new technology that makes small things bigger and big things huge, with incredible implications for food supplies and beyond—only it only lasts for five hours. Rod figures being bigger for five hours… that would be pretty awesome. Added Oct 2019 4 parts 15,297 words 11,948 views 4.1 stars (8 votes) by Muscle blind Richard Jasper Grad Cock MGrow Musc 2Gay Brandon, Ryan, Bobby, and Roger are college freshmen, sharing a suite. Roger is growing like a rocket but Bobby doesn’t seem to notice, so Brandon and Ryan devise an experiment to open Bobby’s eyes. Added Jun 2020 2,412 words 2,087 views by The muscle machine Richard Jasper CGrow Taller Grad Cock MGrow Musc Grow When Max Hardesty returns to Emory after summer break, his freshman roommate, Ralphie Peters, is in for a big surprise! And it just keeps getting bigger! Added Aug 2020 11 parts 8,800 words 4,153 views by My big problem Richard Jasper Grad Cock Strong MGrow Musc Austin, Arturo, Bernie and Ralphie have been friends since they were kids—and discovered that Austin had an improbably huge dick! Growing his muscles to match turns into a group effort! Added Aug 2020 5 parts 9,214 words 2,731 views by My bodyguard Richard Jasper CGrow Grad Cock Strong MGrow Musc “Worthless” Worthington High School sophomores Roger Jensen and Nick Delios bond when the latter saves the former’s scrawny ass from the class bully, Ralphie Peters. Their burgeoning affection and academic accomplishments are only exceeded by their ridiculous muscle growth. Added Aug 2020 4 parts 10,166 words 1,878 views by My quarantine get in shape plan Dream Big CGrow Grad Scent MGrow Musc Stuck at home during the quarantine, Terry orders a used weight machine, figuring he’ll use the time to lose weight and tone up. His motivation doesn’t really hit, though, until he starts spending time with his hunky neighbor, Sebastian. Added Aug 2020 Updated Oct 2020 24 parts 17,396 words 6,180 views 5.0 stars (7 votes) by Needham High Mavericks BRK CGrow Grad XCock MGrow Musc Rep Motivating the team has been taken up a notch. Added Aug 2005 Updated Oct 2018 4 parts 14,488 words 15,579 views 5.0 stars (11 votes) by Neighbor kids Richard Jasper Grad MGrow Musc The continuing adventures of Jamie and Stevie, now living on their own. Jamie’s spectacular growth never slows down! Added Sep 2020 3,191 words 2,429 views by The new alphas go camping Eric Aaldersen CGrow Grad Balls Musc Supn Series New alphas Brian, Jamie, and Jordan all enjoy fireside fucks with their lead alpha, Luke, after Luke passes on the Lore. But not before Luke and Brian bond as alphas for the first time! Added May 2020 5,376 words 1,682 views 5.0 stars (6 votes) by The new job hyperboi Bro CGrow Grad Cock HyCock HMusc MGrow Musc Grow 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 28,210 views 4.6 stars (32 votes) by The new model Richard Jasper CGrow Grad Cock Strong MGrow Musc Sixty-year-old Roger Jespersen no longer believes his lifelong bodybuilding goals are achievable. On the other hand, his new therapist, Dr. Haddad, possesses unusual talents. Thanks to his efforts Roger’s inner Mass Monster is unleashed. Added Sep 2020 4 parts 5,208 words 1,894 views by The Nubian prince Richard Jasper AgeDiff Grad Cock MGrow Musc 25-year-old Rob is 5’10” and 160 pounds of Drop Dead Gorgeous. They don’t call him “The Nubian Prince” for nothing! So why’s he hiring a personal trainer at Solstice, the hottest gay gym in town? Because he’s bored. His only requirement: He doesn’t want to get any bigger! Added Sep 2020 5 parts 4,245 words 1,471 views by The porn star Richard Jasper CGrow Grad Cock MGrow Musc What do you do with a gigantic dick and the ability to slab on hundreds of pounds of muscle? Make movies, of course! Added Sep 2020 3 parts 3,147 words 3,735 views by Power couple Richard Jasper Grad Cock MGrow Musc Roger and Bruce have been best friends since age 13. They go off to different high schools and Roger gets into lifting, thereby sealing their destinies. Added Sep 2020 5 parts 6,205 words 2,220 views by Prototype FanTCMan Hair Grad Cock MGrow Musc Rocky starts working out to distract attention from his embarrassing donkey dick, only to make himself a spectacle that way too. Once he hits college he catches the eye of student teacher Jake, who sees possibilities for Rocky... Added Jun 2005 12 parts 15,992 words 21,616 views 4.4 stars (5 votes) by Puberty is a bitch Lover Boy 2 CGrow Grad Cock HyCock MGrow Grow Added Sep 2009 11 parts 14,585 words 130,156 views 4.2 stars (24 votes) by The Reflex Cris Kane AI Grad MGrow Musc James receives an unexpected gift from an old friend: the trendy new home gym called the Reflex System. Added Mar 2020 Updated Apr 2020 5 parts 24,756 words 6,163 views 4.7 stars (6 votes) by Reset Richard Jasper AgeDown 2Straight Grad MGrow Musc 2Gay Inexplicably starting his life over again as a weedy teenager, Richard is determined to make sure things are different this time. Added Mar 2020 9,819 words 4,153 views 4.6 stars (5 votes) by Resolution Richard Jasper CGrow Taller Grad Cock HyCock Strong MGrow Musc New Years Grow Skimpy young Ben, stuck for Christmas in a bumfuck town on the high plains, is astounded that Max, the bartender keeping him company, is a total musclebear stud! He resolves to come back in a year a bigger and better man and with Max’s encouragement does just that. Added Sep 2020 8 parts 6,657 words 2,401 views by The salt RdyRoger Bro CGrow Taller Grad Cock MGrow Musc Grow 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 66,361 views 4.7 stars (16 votes) by Say cheese and grow hyperboi Bro CGrow Grad Cock MGrow Musc Self 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 30,903 views 4.7 stars (22 votes) by Scenes: muscle growth shorts Richard Jasper Hair Grad Cock MGrow Musc Ten interrelated short stories about giant muscles, huge cocks, growth galore, and, as always, fur fur fur! Added Oct 2020 10 parts 10,010 words 2,516 views by Senior year Richard Jasper Grad Het Cock MGrow Musc Henry is a 6’2”, 140-pound beanpole. Charles, his best friend from childhood, is a 5’11, 200-pound stud. They have big plans for their senior year of high school! Added Oct 2020 5 parts 5,797 words 2,359 views by Skin tight Dream Big AI CGrow Taller Grad Balls Cock HyCock Pher HyTongue MGrow Musc Nano PSD Self Grow Mark has big brains, but a big body? Not so much. So he decides to bend his gray matter toward a high-tech A.I.-assisted body suit that will help him achieve the kind of body he dreams about. Added Apr 2019 Updated Oct 2020 23 parts 37,778 words 32,397 views 4.5 stars (32 votes) by The source: a Henry Himura mystery Proteus CGrow Dumb Hair Grad Cock MGrow Musc PSD Henry is hired to track down a missing young man names Samuel Roth. The trail leads him to a gym and a mysterious serum called Hard-T. Added Aug 2013 11 parts 15,896 words 17,062 views by Spice Mr. X AgeDiff CGrow Dad Hair Grad Cock Scent MGrow Musc Grow 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 169,775 views 4.5 stars (51 votes) by Summer vacation Richard Jasper CGrow Hair Taller Grad Cock MGrow Musc Recent high school graduate Roger is looking forward to spending the summer—alone—at his grandparents’ lake house. He plans to eat, lift, and grow! Little did he anticipate the effect his grandfather’s special formula Vegemite would have on the process! Added Oct 2020 6 parts 8,655 words 3,291 views