Ass Growth Stories

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Symbiosis

by Neorotoxin on Sep 26, 2017
Transsexuals & Crossdressers

My story starts off during a camping trip, deep in the woods, well outside of what most people would call civilization, which suited me just fine. I was lucky enough that I had an abundance of cash but nothing on which I needed to spend it on. I was one of the few that managed to make a killing in the stock market instead of losing everything during the time...

Futa-verse Congregation

by SophEmber on Apr 22, 2025

Can't stop. Lara thought with what limited brain power she had left. It felt it had been hours since this started and had no sign of slowing, much less stopping. The growth started as just a tingle as she touched the ancient Egyptian artifact. The statue, surprisingly one of an Ithyphallic deity, had a large cock emerging from its Shendyt or skirt. Decidedly...

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Star Wars Futa Force

by silent soul ken on Nov 7, 2018
Fan Fiction

The Jedi would beat out the Sith in numbers, due to a device called the Orgasm Bomb, Sith are reduced to a select few, Palpatine, Maul, and Ventress with Palpatine hiding her Sith background by using her powers to shrink her assets to the point she seems like a normal woman. Also she uses her own powers to prevent the Jedi from seeing into the future or seei...

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Accidental Growth Pt. 05 - Tamara's Turn

by The_Ride on Jul 13, 2020
Fetish

Tamara and Will were now an "official couple". Within the weeks since they had hit it off at the house party, the oversized coupling had moved in together. Switching off every few nights between Tamara's room and Will's room, next door to one another; mainly when one room needed to air out because of their constant sex sprees. The two were inseparable. They...

Adventures in Gaming

by CumBalloon123 on Feb 20, 2020
Fetish

The Players Anna: Shy, crush on Barry, 4’11’’ Dirty Blonde hair, long, 130 lbs. 30A-30-32 measurements blue eyes secret fetish size queen/excessive cum, straight Katy: Raging nympho 5’6’’, black hair, medium, 140 lbs. 32B-30-32 Green eyes secret fetish giantess, bisexual Chloe: Rich Popular, 6’0’’ long blonde hair, 155 lbs 34C-32-34 green eyes secret fetish...

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Growth Spurt

by ThatGuyYouKnow98 on May 4, 2018
Science Fiction

(Authors note: First time doing this so I honestly have no idea what I’m doing) Welp, it’s official, this guy is a fucking weirdo. Here you are, sitting on the bus, trying to get home from work, minding your own business, when the creep next to you keeps leaning over every 10 seconds to look at your watch and ask what time it is. Please for the love of god g...

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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...

Forcing Perfection

by ThomasElliot on Sep 15, 2017
Fetish

I hate whenever people start these stories by saying "I'm just a normal person." Well, you clearly aren't, or you wouldn't have such a fantastic story to tell, now would you? I'm not a normal guy, and I'm proud of it. I am not, however, above clichés, so I will get that out of the way right now. So I had a cock that granted wishes. All you had to do was eat...

Building Perfection

by ThomasElliot on Sep 18, 2017
Fetish

Authors note: This story contains women growing to completely unrealistic proportions, along with a futa. If you don't like anything like that, then this story isn't for you. If you do like that sort of thing, I hope you enjoy, and please leave a comment at the end. Thanks! So if you had asked me what my life was going to be like when I was young, I pro...

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...