Alien Parasite Stories

9,799 results
Orientation
Length
Source
Infinite Scroll

The Big Bang Theory: The Parasite

by TJ19 on Apr 22, 2025

Chapter One: The Joining “What a crappy crappy crappy day” Penny thought to herself as she drove her car back to Pasadena in California. “I mean I even put on a very sexy outfit and all for nothing” Penny's voice echoed through the empty car as her face turned an angry shade of red as she vented her frustrations about the audition. A once in a lifetime sci-f...

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Amanda and the B.O.D.

by AnonymousPerv on Oct 16, 2018
Exhibitionist & Voyeur

Author's note: This could "fit" into almost any category: sci-fi themed, with heavy elements of exhibitionism, attempted humor, some non-consent, and a host of others. Maybe even novella, clocking in at 12,000 words. IF YOU LIKE REALISTIC AND INTIMATE SEX, THIS IS NOT IT. Just warning those who care, before they invest too much time in it. It's utter nonsen...

Sapphire's Quest: Brothel

by homealone_447 on Sep 16, 2017
Sci-Fi & Fantasy

Sapphire was having an interview with, Kara, the brothel's manager. Her quest to find her mother, after she was taken by the vicious slave trader Gorogn, was proving to be more difficult than expected. She had almost no money left and the jumps through some space portals to reach faraway planetary systems were expensive. Sapphire figured that since she loved...

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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Fallen Destiny

by HalfShim on Oct 8, 2019
Erotic Horror

How long had they wandered through this shadowed landscape? Everything around them seemed familiar, but off. The trees over there, normally healthy and green, had a purplish tinge, as if she was seeing them through a filter. This pocket dimension, if that is what it was, had dangers aplenty. When the cataclysm arrived, she had been refilling the water caske...

Tpal's Downfall

by Messyboy98 on Sep 11, 2018
Fetish

T'pol awoke deep inside a dimly lit cave, she couldn't remember how she got here. But something had attacked her and knocked her out cold, she tried to move and realised that she couldn't at all, paralysed from the neck down. She attempted to look around and couldn't see anyone or anything in sight. Being the ever calm and elegant Vulcan she was, she didn't...

Parasite

by PhoenixPlays05 on Jul 15, 2019
Science Fiction

TALIS, HOMEWORLD OF THE TALOS Streaks of fire zoom across the skies over Talis, and the parasites are panicking. The Talos look like large scorpions with long, thick, dick-shaped tails. They are capable of impregnating women of any race, no matter the size. Three Alpha Talos, the future heirs of Talis, are being loaded into pods by their breeding mother, a t...

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An Avenger's Venom

by terminatrix92 on May 11, 2020
Celebrities & Fan Fiction

This story is part 17 of the 'An Avenger's...' series but it can be enjoyed as a standalone. The events take place in a Post-Snap world featuring characters from across the MCU. ... Alone in the shadowy darkness of the Avengers Compound Natasha Romanoff slouched behind a desk; assembling herself a drab peanut butter sandwich as the hologram relayed nothing...

Michael the Host

by kirakakash02 on Sep 13, 2017
Fetish

Michael was desperate for money. His student loans were due and jobs in his field dried up shortly after he graduated. He answered an ad for medical testing subjects. During the orientation they explained the more involved the testing was the higher the pay would be to the participants. Michael agreed to be in several studies over the next couple of months....

Egg Ch. 02

by destodes777 on Jul 30, 2018
NonHuman

Everything to Jacob now centered on his dick. Even as he sat in class and the hot history teacher droned on about the Civil War, it was all he thought about. How hard it was and how difficult it was to conceal. Mostly because of the alien organism suckered to it. He knew little about it except what it claimed to tell him in his dreams. The alien woman in t...