Grymm (etc.) Tales
By AstroGuy42 6 Mar 2026
His best friend is two heads taller, three times stronger, and staring at him like he's dinner. Red should probably run.
Gay Transformation Stories
GayDemon's Stories: On this page you can find erotic fiction where you can read about male body transformation and gay body modfications.
What Krampus Leaves You With (ch. 2)
By AstroGuy42 24 Feb 2026
The body Krampus built him was made to be used. Tonight, he finds out what that means. One backroom, many guys.
What Krampus Leaves You With
By AstroGuy42 17 Feb 2026
He broke into the wrong house on the wrong night. What came out wasn't the same man who went in: Krampus doesn't punish the honest ones. He remakes them.
A Transformative Encounter
By Joe Lewin 8 Feb 2026
A businessman has his first T-Girl encounter.
A Pact with a Djinn (ch. 17)
By PCLatex 6 Feb 2026
Eon's portraits for Angela and Niall are now finished and Angela is delighted, but so is the Djinn. Eon is transported directly to his Master's prison and 'rewarded' ...
A Pact with a Djinn (ch. 12)
By PCLatex 30 Jan 2026
The twins visit Ruwenzori Place and find it exciting, the first of several visits leading up to their eighteenth birthday, and Connor's becoming. On the day itself, he throws himself into it wholeheartedly ...
Wild Ride with a Pornstar (ch. 4)
By StrykerJ 10 Jan 2026
From Peter’s high-octane gym session with a Prince Albert-pierced pornstar to a defiant, 11-inch ‘black attack’ in a garden shed, Peter’s body is tested to the max. Watch the technician master raw mass, milk legends dry, and get rewarded for his work. But when Tony, his true lover, pushes too far, the system crashes. Hard. Total sensual dominance.
Wild Ride with a Pornstar
By StrykerJ 7 Jan 2026
Seeking a real connection, Peter visits Amsterdam’s kinky gay scene but leaves unfulfilled. However, on the train home, he’s confronted by Tony, a rugged leather man. A rough, aggressive domination session turns into a passionate awakening for both. When Tony vanishes, he leaves Peter his gear, transforming the shy youth into a confident man.
Shrink Files
By ShrinkingMen 18 Dec 2025
Step into the gym with the towering jock of "Shrinking Jock," a man once the epitome of athletic prowess and masculine dominance. As his muscles bulge and his height towers, little does he know, his world is about to turn upside down. A strange and inexplicable phenomenon takes hold, and his muscular body begins to diminish before his very eyes.
A Better Bottom (ch. 6)
By RosyDragon 5 Dec 2025
Eli tries to fight it but succumbs to Bill
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Transported To A New World (ch. 9)
By RosyDragon 12 Nov 2025
The continuation of Adam Russell’s new life in an alternate world where mythological races are all real. The last chapter in this story where we see what Adam's new normal is.
The Moonlord's Blessing
By FemmeOtter 3 Nov 2025
A young mortal named Rhys receives the Blessing of the moon god Chonn, and a charge.
A Better Bottom (ch. 5)
By RosyDragon 29 Oct 2025
Eli attempts to make his way home, but with so many tempting offerings on the way, can he truly resist?
A Better Bottom (ch. 3)
By RosyDragon 7 Oct 2025
Eli becomes very acquainted with a friend of the stallion making these alterations to his body and comes to find that his new urges simply can’t be repressed.
Used the wrong medication
By Frank Chainges 7 Oct 2025
Needed to enlarge my manhood and bought some meds off the internet.. results were NOT what I expected
Jessie's Saga (ch. 6)
By DikThik 4 Oct 2025
Jessie encounters a creative block.
A Better Bottom (ch. 2)
By RosyDragon 2 Oct 2025
Months pass and Eli just can't forget the pleasure that stallion made him feel. Determined to put an end to this, he returns to the apothecary.
A Better Bottom
By RosyDragon 29 Sep 2025
A twink who fancies himself a top wants a potion to make his dick bigger, but when a shady horse beastman has other plans he may end up rethinking his sexual preferences entirely.
Adventures and Travels
By Norgren 20 Sep 2025
Story about young mage, who becomes a high quality whore, after ending magic school.
The potion that changed my Life
By Dannii9401 26 Aug 2025
After the body swap turns Darren into pre-op trans woman Dannii, she surrenders to anal ecstasy with Claire and Alex, then flips the script to dominate them both. With her throbbing cock, Dannii fucks Claire's tight pussy and stretches Alex's willing ass, culminating in a wild chain where Claire deep throats Alex while Dannii pounds her from behind
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Himbo Pink Hair Dye
By Charlie Walker 13 Aug 2025
Caleb accidentally dyes his hair pink. But it’s not just his hair that changes. Huh, has his butt gotten bigger? Why is his brain so foggy? Maybe he should ask his best bro Jay about it.
Club Voodoo (ch. 7)
By DikThik 24 Jul 2025
Charles/Charlie has to make a decision . . . his own decision.
Cursed (ch. 7)
By Jesse Christian 23 Jul 2025
Jackson tries to come clean to Tyler about the latest development of the curse only for someone else to reap the benefits.
Club Voodoo (ch. 6)
By DikThik 21 Jul 2025
Charles/Charlie has slid downhill a lot. He still lets his mouth get him into trouble. Looks like he’s sliding even further down that slope.
Cursed (ch. 5)
By Jesse Christian 21 Jul 2025
Jackson confronts Josh about the curse taking over his life with unexpected results.
The Moonlit Pact
By KinklyStar456 21 Jul 2025
When Elian returns to his ancestral village searching for answers about his father's mysterious disappearance, he uncovers a dark generational curse linked to the forest. Haunted by visions and erotic dreams he never understood, Elian’s destiny unfolds under a blood moon.
Club Voodoo (ch. 5)
By DikThik 17 Jul 2025
Charles/Charlie is liking what he’s doing. But, he’s hating it, too. He’s aware there’s a conflict happening inside him. Phillipe finally starts him working in Club Voodoo.
Serum 69X (ch. 2)
By KinklyStar456 17 Jul 2025
Lucas wakes up ruined—his hole dripping, his body still twitching from Jayden’s breeding. But the serum isn’t done with him. When Jayden returns, he’s brought backup. Teammates. Hard, hungry, and ready to break the team captain in ways he never imagined. Will Lucas escape… or is his body already too far gone to beg for anything else?
The Spa on Sycamore Street
By KinklyStar456 16 Jul 2025
Derek just wanted to fix his fatigue. A cheap detox spa seemed harmless—until the massages stirred strange urges, his body reshaped itself, and memories slipped away like steam. Clothes burned, contracts signed, and a name he no longer recognizes. The final question is was he ever Derek to begin with?
Club Voodoo (ch. 4)
By DikThik 14 Jul 2025
Charles/Charlie bends some to his situation, but his uncontrolled mouth keeps making trouble for him. Another trip to the basement.
Club Voodoo (ch. 3)
By DikThik 13 Jul 2025
Charles/Charlie just can't keep to his plan to fake it so as to figure out a way to make his escape. Phillipe is determined to dominate him. Meantime, Phillipe uses his voodoo powers again.
Club Voodoo (ch. 2)
By DikThik 8 Jul 2025
Charles/Charlie underestimates what he’s up against. He learns that voodoo is real. He’s fast getting deeper and deeper into a hole that he’s determined to get out of.
Home Sweet Home (ch. 20)
By Gregster 7 Jul 2025
Jen does it with Akima Mars. Akima shows her that just because she’s not a meta-human, she can still take anything Jen dishes out at her.
John / Johnnie (ch. 3)
By DikThik 1 Jul 2025
Lawyers from John/johnnie’s former work place show up at the gym again. johnnie’s just another meathead for them to deride now . . . except for one of them.
John / Johnnie (ch. 4)
By DikThik 1 Jul 2025
1 dumber ex-lawyer + 1 dumber ex-lawyer = 2 suckin’, ass-rimmin’ meathead pigs gettin’ fucked.