Cock Growth Muscle Growth Stories

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Side Effects Ch. 01

by grgy56 on Sep 5, 2018
Transsexuals & Crossdressers

I was never what anyone would refer to as the typical male. Standing only five foot five and weighing only 130 pounds, no one would ever use me in a he-man advertisement. I wasn't scrawny; my body was well formed with some muscle in my chest and legs. My physique hasn't really changed at all since I was 15. Getting girls in school was not the easiest since t...

Rebirth of the Beyonders Ch. 02

by Silenteye on Sep 17, 2017
Celebrities & Fan Fiction

As I mentioned before this story is more of a plot and action story than sex but there will be plenty of sex. This a scene more of plot and to identify who the beyonders are, what they do, and their goal. Enjoy! Mass Effect: Rebirth of the Beyonders Tags include: Transformation, Excessive Size, Excessive Cum, Cum Inflation, Growth, Balls Expansion, Penis E...

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...

Contractually Obligated Pt. 04

by DoxyTrainer on Sep 19, 2017
Sci-Fi & Fantasy

Melody throated Gwyneth's girl-cock with ease, and wondered if there would be cum when the orgasm came. Her hands quickly found Gwen's ass, and when Gwyneth lifted her slim leg over to rest on Mel's shoulder, she pushed her fingers into the ring of Gwen's ass with ease. Gwen responded by pushing her clitty further down Mel's throat, and growing harder still....

Switch Hitting

by mistyfdfa on Sep 16, 2017
Fetish

A Busty, Buff, and Hung Story Fresh off three losing road games in Dallas, losses which would drop his team from playoff contention, Craig "The Beast" Rauston could feel his chances of finally making it back to the majors slipping away from him. The truth was, without him on the field, his minor league teammates were just not good enough to keep up in their...

Suits and Slimes

by Halode on Feb 9, 2020
Miscellaneous

Hideki Laboratories has been at the forefront of biotechnology for years as a satellite operation of Hideki Technology, but most only know of a few of their breakthroughs that proved to be profitable, usually medical applications for ways to better administer drug treatments to particular parts of a body via 'smart pills', or 'organic bandages' to help a pat...

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A Mysterious Protein Shake

by SageofRhun on Mar 21, 2018
Sci-Fi & Fantasy

All characters are 18 and above. Disclaimer: This story contains fetishes such as female muscle growth, elements of breast expansion and height growth. The character portrayed maybe larger than average as well. It's just description too. If it's not your cup of tea, I suggest reading something else. **** A young woman sighed and looked at her frail and...

Autus: Epilogue Pt. 02

by sexgundam666 on Dec 24, 2019
Sci-Fi & Fantasy

Author's Notes: WARNING!! This story contains extreme growth and Hyper sized cocks. If you've read the previous epilogue chapter, this may be up your alley, however if not, then I strongly urge that you either read it, or do not continue if cocks five stories tall does not appeal to you. You have been warned. Those who continue, enjoy. ***** Gwen's Journal...

Breasticles Ch. 09

by sexgundam666 on Sep 13, 2017
Sci-Fi & Fantasy

Author's Note: Read Chapter 1 first. This chapter introduces the Dick Nipples, so be warned. ***** -Gale- Fae had told me everything. Honestly, I should be mad at her for all the reasons she listed, but I couldn't find the emotion. I was just glad that she was being honest with me and that I finally knew why all of this had been happening to me. I did mea...

The Best Gag

by mistyfdfa on Sep 13, 2017
Fetish

A Far Shore Story Oscar was positively overwhelmed by the number of people on the convention floor. He had been told by his friends the dealers' room would be packed but it had been hard to grasp just how dense the crowd would be until he was there. After nearly twenty minutes of being dragged along by the flow of the room, the nerd climbed out of the press...