Hyper Muscle Stories

47,999 results
Orientation
Length
Source
Infinite Scroll

(Don't Have to) Keep Me Growing

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

This is a continuation of (Don't Have to) Twist my Arm and the transformations get more absurd as Yuuki and Caroline take more of the potion. So, if absurd growth and size is not your thing, I would go back. ***** While crafting a serum to help with recovery after a workout Yuuki unintentionally created something that dramatically increased one's masculine...

Doctor Thickenstein

by TitusMoorhead on Oct 6, 2020
Sci-Fi & Fantasy

"You're sure this is safe?" Jason asked, shivering as another layer of the frigid gel was slathered over his exposed backside. Victor took his time working the chemical into the other man's taut, solid cheeks. "Safe...ish. We've talked about this...I'm confident the process won't be fatal, but beyond that, no promises." "Is there a reason I can't be doing...

Ship's Whore Ch. 04: Doll

by AlinaX on Jun 5, 2019
Sci-Fi & Fantasy

Editor's note: this story contains scenes of non-consensual or reluctant sex. ***** "So," Celeste murmured, her fingers brushing through my trimmed and patterned pubes, "what's it like being a respectable member of Minerva's science community?" It was a delicious tease. I didn't need to check if I was wet - I was always wet, always aroused, but it was nic...

SCTT Nancy Pt. 11: After...

by KittyZateez on Oct 6, 2020
Fetish

Nancy and Sam fell back on the bed together, and Sam's hands roamed slowly all over her body as they laid there side by side. He wrapped his arms around her and held her close, talking softly into her ear and expressing his wondrous enthusiasm at the erotic feat he had just witnessed. He was completely blown away by her newfound interest in the prick teasi...

How She Met the Mother

by TheBigLove126 on Sep 12, 2017
Celebrities & Fan Fiction

"Isn't she adorable," the young blonde stagehand whispered to Cobie Smulders, pointing out the short brunette reading her script. They were a few minutes away from filming the last scene of 'How I Met Your Mother' for that day. "What...I mean yeah she is," Cobie responded as she stared at the woman. "Who is she, one of Ted's flavors of the month for next se...

Tentacles Ch. 04

by Nephylim on Sep 19, 2017
NonHuman

It was much, much later. The debris of Luke's hatching was cleared away and he'd been bathed, fed again, and tucked into a slightly larger wicker basket that Dee had been using as a laundry basket. It was a fairly shallow oval, and a pretty good substitute for a crib – at least for now. "Thank you," Sys murmured, settling down on the pillows, tired but glow...

Samus and the Reality Altering Upgrades

by welldressedcrab on Nov 14, 2020
Science Fiction

Samus brought her ship into dock with the station, the docking bay walls closing behind her. In her adventures through the galaxy she had received a signal from a remote research station. The signal informed her that the station was inhabited by a scientist AI which was programmed to keep inventing and researching for eternity. If she came to investigate, sh...

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Medical Clinic Fanstay

by SydneyShaw on Sep 14, 2017
Fetish

I arrived at the clinic around 9 am, knowing that over the next 36 hours I would experience some of the most intense and bizarre pleasure of my life. The clinic looked like any other small medical centre; for the most part it was quite normal. However behind the ordinary reception and normal doctors rooms on the first floor lay the sexual and neurological re...

Why Men are Better than Boys

by karlosfandango on Sep 17, 2017
Mature

Kevin & Lisa had met in college and fallen madly in love with each other when they were just 18. They had married on Lisa's 20th birthday, only 6 months after Kevin's 20th and now it was only a matter of days before Kevin's 40th. Both were successful professionals, Kevin was a photographer and Lisa a writer and they had decided very early on in their relatio...

Growing and Shrinking Thoughts

by silent soul ken on Oct 16, 2018
Fetish

As stated earlier the MC is either a guy, a girl or a futa. Futa's can be born futa or have operations to turn futa but said operations are extremely expensive. The MC can have one exceptional talent be it something like athleticism, creative talent, or something similar. Otherwise they are an average person who happened to survive a freak accident which giv...

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