Female Muscle Growth Futa Stories

112,118 results
Orientation
Length
Source
Infinite Scroll

The Royal Cock Ch. 16

by sexgundam666 on Sep 26, 2017
Novels and Novellas

Melissa gulped as she experienced an emotional sensation unlike any other; fear. It wasn't simply the anxious excitement that accompanied her during her first time years ago. That had set her body alight. This, on the other hand... she couldn't identity just what was doing to her. Her pussy continued to burn with desire -- she couldn't mistake such a heat --...

The Suit

by Tunathetitan on Sep 26, 2017
Fetish

You are Simon Richards, you are 22 and work a part time job in the mail room of a corporate office not for from your home. You live with your older brother, younger sister, and parents. Your home is pretty large, spacious backyard with a pool. Your room is on the second floor and overlooks the driveway and is directly across from the bathroom. You are a pret...

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Futa World: Origins Ch. 01

by FemmasXXY on Sep 25, 2017
Sci-Fi & Fantasy

All characters engaged in sexual activity are aged eighteen years or more. Earlier chapters will have fewer erotic scenes than later chapters, but if you like futanari and futa/female, and related interests, stick around. In this chapter: futanari, dickgirl, masturbation, and almost-paizuri. ~~~ Amanda opened her eyes. It was harder than it sounds. "Welco...

The Bimbug

by Testytesterton on Jun 17, 2020
Science Fiction

The world changed overnight with the first cases of the Sexually Infected Subjects Spreading Infections Exponentially Syndrome, or SISSIES, became known. At first it sounded like some urban legend, men turning into hot, horny, hung shemales and spreading the infection to any man that came in them...or any man they came in. It was only after you saw video evi...

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Cum Addiction

on Feb 4, 2017
Science Fiction

It happened a few years ago, some sort of illness came to. It lasted in people forever with no cure, well no long-lasting cure. These people need to ingest semen at least once a day, and even then once isn't exactly enough. If they don't they start to go through withdrawals and this eventually leads them to death. You, having a medical degree, put together a...

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Lab Rat

by agbsyamaha on Dec 28, 2017
Transsexual

("All of my writing is on hiatus until further notice, however, the story is still here and fully available. Any interaction, be it a like or a comment is immensely appreciated! If you have an idea for a chapter, be sure to let me know and I'll see what I can do! That being said, enjoy "Lab Rat"!) "Dear Jason, Congratulations from our com...

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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...

Growing Together Ch. 08

by sexgundam666 on May 30, 2018
Sci-Fi & Fantasy

Morning finally came. A blessed relief to the futa who sat, curled up in a ball, on the bathroom floor to hide away from her girlfriend's relentless libido. Hers wasn't any better. Alisa's erection had remained stoic throughout the night, leaking pre-cum into a puddle and waiting for her self-control to crack. The possibility wasn't something she even entert...

Autus: Epilogue Pt. 03: Final

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

Author's Note: In case it's not obvious by the end of this, I do have plans to create a proper sequel to Autus, but it won't happen for quite some time. I have several other projects that have been neglected in recent weeks/months. Without further ado, enjoy. ***** Kona's Journal Entry #1: Well, since Gwen and Diana are writing, I figured; why not? I coul...

Amy: The Amazon (Usually) Ch. 01

by sexgundam666 on Apr 10, 2018
Sci-Fi & Fantasy

Author's Note: This story was requested by Heromanbunny. *** Amy hugged her girlfriend tight and bounced her softly. The Amazonian futa's hands coiled around Amanda's waist, fingers almost touching, and felt it as her cock rammed up her lover's luscious canal. Just like her height would imply, Amy was endowed well beyond most futanari. Her cock stretched A...