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Stories that feature guys that transform in ways that are not easy to categorize (this is sort of a catch-all). In particular, guys that change into something other than human or augmented males end up here. See also Goo People.

Other tags that also fall under the category “Other Physical Changes”: Age Progression, Age Regression, Becoming Inanimate, Belly Growth, Body Suit, Detachable, Foot Growth, Gender Swap, Getting Hairy, Gradual Change, Human to Animal, Inflation, Race Transformation, Stretchy.

Stories found: 104.

Something missing? We’re always looking to improve the way our stories are tagged. If you know of a story that should be added to this page, please go to the story page and use the tag suggestion feature—the link is directly under the list of tags.

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Complete story list for Transformation:

  • The berry by rm20  Tf    Added Apr 2006  •  1.1K words (1)
  • Best body modification ever by Oneleg Smith  CGrow Cock BHole Rubber Tf  Mike meets an unconventional surgeon who specializes in improving your body and making sex better in unexpected ways.  Added Mar 2019  •  2.0K words (4)
  • Big cat by Growlboys  Addict Fur CGrow Viol Cock Tf  There’s a special substance on the market that’s driving people wild. In need of a fix after ten days without, Sam is told of a brothel where he get it. There he finds Doug, a werecat who’s not having a great life right now.  Added Jul 2019  •  3.1K words ()
  • Blessed by the moon by Saaruu  Fur HyCock Cum MGrow Grow Tf Were  Ritzy gets back from work, exhausted. He gazes at the moon, which somehow feels… different from usual. His roommate comes back home and they both enjoy a nice adult film when the werewolf in Ritzy decides to go wild. Really wild. And big.  Added Sep 2018  •  3.7K words (3)
  • Body love by Josh Dugan  Tf  An effort to remember the dawn of a utopian transformation.  Added May 2002  •  1.0K words (2)
  • Bodymorphchat by BRK  Btaur XAbs XArm XCock XLeg XLimb Rep Str Tf  Conversations in this chat room are just like any other, with one exception: your screen name eventually becomes literally true.  Added Nov 2004  •  1.9K words (7)
  • The Bridge by Stumpjumper  AI CGrow Hair Cock Scent Musc MGrow 2Gay Tf  A safety technician is exposed to an artificial intelligence that rebuilds him and his best friend in ways they can't imagine. A decade later, the repercussions are still unfolding.  Added Jun 2019  •  5.4K words (6)
  • Bull’s strength by muscl4life(28 parts)PermaBoner Beast CGrow Viol Dad Fly Taller Balls Cock HyCock Infect XAbs XCock Musc MGrow PSD Grow Tf  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  •  88.4K words (21)
  • Farm-grown by Cris Kane  Taller Musc MGrow Tf  Spindly teen Nicholas is sent to work on a Texas ranch for the summer.  Added Aug 2019  •  2.4K words ()
  • The flame of the rose by WIP Topping  CShr Tf Series  Brody makes transphobic comments about the new quarterback and is cursed to become a little more...flamboyant.  Added Sep 2016  •  10.6K words (4)
  • Footlong by weirdboys  PermaBoner Tf  Jesse, a gay college student with a major foot fetish, has his ultimate fantasy fulfilled.  Added May 2019  •  2.5K words (4)
  • The four jocks by BRK  CGrow Cock XLimb Musc MGrow Rep Tf Series  A game than asks really peculiar questions leads a group of four young jocks through a series of progressively more exciting transformations.  Added Sep 2009  •  4.5K words (10)
  • From the files of the Magic Misuse Office by BRK(4 parts)CGrow Cock Merg XArm XCock XHead XLimb MGrow Rep 2Gay Tf Twins  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 Jul 2018  •  13.9K words (15)
  • Giant problems by aquila(3 parts)Viol Taller Giant HyCock Cum PSD Grow Tf  Caught up in a science experiment gone wrong, John finds himself at odds with his former boss and employer, leading to some giant problems.  Added Jun 2019  •  7.4K words (5)
  • Hard body by Also Known As(10 parts)CGrow Dom Balls Cock Musc MGrow Grow Tf  Uncannily attractive and hunky teenager John is sent to the latest in a string of health professionals over his unusual condition: he’s always horny, and it affects his body in a very unusual and highly provocative manner.  Added Oct 2016  •  Updated Feb 2018  •  56.6K words (67)
  • Hard luck by Eriknl77  Inan Musc Tf  A robbery goes horribly wrong with one man ending up in a permanent position at a museum.  Added Aug 2018  •  2.4K words (4)
  • High quality replacement parts (free with trade‑in) by Keyed  Swap CGrow Musc MGrow Tf  Have you always wanted, say, a smaller nose? Somewhere, if you're lucky, in some other world, there might be a version of you who has one, or who has gotten a nose-job. If so, a swapper can help you out. Watch one help an unlucky man in a big way.  Added Jan 2018  •  3.7K words (10)
  • Hulk hunter by JayPat(2 parts)CGrow Viol Giant Cock HyCock Infect XAbs Musc MGrow Nonc Grow Tf Series  Hunter has dedicated his life to tracking and neutralizing the hundreds of huge-growing hulks that have been terrorizing small towns for twenty years now, and he’s damn good at what he does. But when he gets to his latest sighting, he finds things aren’t going the way they usually do.  Added Sep 2018  •  11.1K words (7)
  • HUSH by The Gecko Rose(4 parts)CGrow Det Goo HyCock HyTongue Merg XBalls Self Str Tf  A young man, an Acolyte of cHurch of Universal Scientific Hedonism (HUSH), finally becomes a full Brother, and learns all the secrets of the Brotherhood. Including all their special transforming abilities...  Added Dec 2018  •  9.8K words (7)
  • Hypno muscle: jock dreams by Douglas Benjamin  Inan Dumb Taller HMusc Scent Mind Musc MGrow MTheft Orcs Shr Grow Sugg Tf  Toby and Liam have picked up a hypnotic audio tape that promises to grow their muscles. When they fall asleep to the hypnotic induction, they have a dream that seems all too real: Suddenly, they have to power to transform each other into big-muscled meatheads, flexing and posing for each other and talking like dumb jocks. Even more transformation is possible, but there is a catch.  Added Jul 2019  •  4.3K words ()
  • If only by BRK  Cock XCock Rep Sugg Tf  Steve hasn’t noticed yet how the world shifts a little every time he says "if only”. That’s okay.  Added Mar 2006  •  2.6K words (10)
  • It’s magic by TylerGermany(2 parts)Infect Tf    Added Apr 2014  •  2.1K words ()
  • Jacob and Dameian by Honkycat(2 parts)Str Tf    Added May 2002  •  4.4K words (1)
  • Johnny Pecs by BRK(2 parts)CGrow Cock Musc Tf  Unexpectedly inheriting part of an island estate off the coast of Maine, Kent travels there to assess his options. On arriving in Glen Rush, he meets the young caretaker—a handsome stunner who’s acquired, with some justification, the nickname “Johnny Pecs”.  Added Sep 2017  •  7.2K words (10)
  • A lamppost on Wisteria Lane by Wersgor  Tf    Added Jun 2005  •  2.3K words (2)
  • Leg transformation by Andrew James  Amputation Cock Tf  A horny guy with a prosthetic leg wonders what it would be like if his stump were turned into a huge cock. Much to his shock and delight, he gets to find out.  Added Jan 2018  •  1.3K words (5)
  • Love/shift by BRK(11 parts)Dad Hair Grad Scent Musc MGrow Grow Supn Tf Wbear  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  •  68.1K words (25)
  • Magic punchbowl by Mango Deville  Tf    Added Aug 2003  •  3.1K words (1)
  • Meta note by TrueDragonborn(2 parts)Tf    Added Jan 2011  •  2.5K words ()
  • Mikey by BRK  Musc Tf  There are some possibilities of virtual reality that have yet to be explored.  Added Dec 2004  •  1.4K words (2)
  • Mimbo drops by Absman420(2 parts)CGrow Dumb Cock Mind Musc MGrow Nonc 2Gay Tf  Tom receives a secret serum that turns men into horny, dumb, huge-cocked muscle hunks. He decides to try it out on his bicycling buddy Sam, and discovers it’s extremely effective—especially in multiple doses.  Added Jul 2011  •  13.8K words (23)
  • The mission by BRK  Tf  Spinning across the universe can cause some wild changes over time. That can be a good thing.  Added Apr 2005  •  2.0K words ()
  • Modern rites by red_king(15 parts)CGrow Cock BHole HyCock Cum Immort MusBr MGrow PSD Bond Grow Supn Tf  Matt’s life changes forever when he receives divine investiture from an old fertility god, fallen from the pantheon, in exchange for his devotion and cooperation in finding more followers. At first it sounded like work, but soon he’s having too much fun to care.  Added Dec 2018  •  Updated Jun 2019  •  45.4K words (23)
  • Morphling by Apollo's Meat(2 parts)CGrow HyCock Cum Musc MGrow Tf  A freshman college student takes home hot, freaky Seth, and later puzzles over what Seth called him: "morphling".  Added Feb 2014  •  Updated Mar 2014  •  3.7K words (7)
  • A most unusual curse by BeefyBullGuy(3 parts)Absorb BACock Cock Nonc Tf  Jackson’s misadventures in a Asian shrine to cock lead to an unexpected curse.  Added Mar 2018  •  6.0K words (7)
  • My tights fetish got out of hand by James Johnson  MTF Tf Tg  He loves wearing pantyhose, except for the buzzkill of his male junk getting in the way—so he’s thrilled when he ends up with female equipment instead.  Added Feb 2018  •  2.1K words (4)
  • Pet pride by Eriknl77  Fur Musc Tf  How a young man becomes a happy and proud pet.  Added Aug 2018  •  2.4K words (4)
  • Picture perfect by Cris Kane(3 parts)Belly CGrow CShr Cock Musc MGrow Tf  An eccentric painter’s portraits have an unusual impact on those who pose for them.  Added Jun 2019  •  Updated Jul 2019  •  13.0K words (3)
  • Playing with fire by BRK  Cock Musc MGrow Grow Super Tf  Roman is drifting through Oregon seacoast towns, letting life come to him, when he encounters a guy who shares his wickedly sexualized love of an obscure comic-book character called Lavaman, and then, not long after, a pair of gag spectacles that supposedly let you see the things you most enjoy fantasizing about.  Added Mar 2018  •  3.8K words (9)
  • Plus one by Double-U  Musc MGrow Grow StPat Tf  I thought getting a new suite mate would be nothing but bad news. But that was before I learned he was a hot, muscular stud.  Added Aug 2016  •  6.6K words (19)
  • Practical FX by MuscleMonkeh  Fur CGrow Fant 2Anim Mind MGrow Gut Nonc Older Grow