Parasitic Intruder (ch. 3)
By HandyDan 12 Jun 2026
Dan feels the urge to turn his PT into a new host for the parasites...
Gay Alien Stories
GayDemon's Stories: On this page you can find erotic fiction where you can read about gay sex with aliens and monsters from outer space.
Parasitic Intruder
By HandyDan 15 May 2026
Dan hears someone break into his house and goes to investigate...
Especial Gift from the Gods
By AngelicTouch 3 Apr 2026
I died at 29 and was reborn in another world where everyone is male, and there are various races: orcs, dwarves, elves, and everyone has some kind of magical power. When I was born, my mother died. I was born the most beautiful being anyone had ever seen; I was a mix of elf with fair skin, golden hair, and it seemed I would be tall.
A Viable Candidate (ch. 6)
By gonzomain 23 Mar 2026
The man wakes confused, his body modified. He speaks with the creature, bending himself to its will.
James the Space Diplomat (ch. 2)
By Oliver V. Cub 12 Feb 2026
While his ship resupplies, Diplomat James is on a domestic mission of his own. This sequel follows our chunky space envoy to a nearby planet and back. When a hot alien daddy seeks refuge on his ship, will our plucky hero give him a free ride or turn him out in space?
A Viable Candidate (ch. 5)
By gonzomain 4 Feb 2026
The man reenters the creature's ether, prepared for another conversation. Instead, he finds himself in a mysterious sex ritual within his own dreamscape.
Borrowed Thunder - A Hulkling & Wiccan Tale
By Boy Mercury X 3 Jan 2026
Billy Kaplan is stunning in velvet at the Avengers Gala, but he’s flying solo—until Thor arrives. Trading his hammer for the tangle of Billy’s curls, the God of Thunder shows the young sorcerer exactly how it feels to be handled.
Asset Protection: A Hulkling & Wiccan Tale
By Boy Mercury X 13 Dec 2025
"He’s just a baby. How hard can it be?" Famous last words. When Hulkling and Wiccan take on a secret mission to return a lost prince, they trade the throne room for a cramped cockpit and deep-space danger. But along the way, the adrenaline awakens a primal change—and the need to breed. (A Marvel U fan fic.)
A Viable Candidate (ch. 4)
By gonzomain 10 Oct 2025
The man is thrust into a new sexual experiment which will test the resilience of his body and mind.
A Viable Candidate (ch. 3)
By gonzomain 7 Oct 2025
The man explores more of his biological prison, becoming acquainted with the creature and its own motivations. He learns of his new reality.
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A Viable Candidate (ch. 2)
By gonzomain 6 Oct 2025
A man is processed and finds himself inside of an alien biological architecture. Powerless against the arousing whims of the creature, his main priority is survival.
A Viable Candidate
By gonzomain 5 Oct 2025
A man wakes up in a futuristic facility, unaware of the alien machinations that await him.
Star Date (ch. 3)
By Jaybradman 9 Sep 2025
Research begins as the commander and Dati make their way through space.
Elias
By Metullus 23 Jul 2025
At nineteen, Elias awakens in a sterile, unfamiliar facility. His memories are scattered, his body subdued by medication. Faceless staff, restrained wrists to ankles, he question the purpose of his confinement. As unsettling routines unfold, Elias must search for the truth of his existence and the forces shaping.
Sperm donor
By Metullus 10 Jul 2025
Brad is a freshman at Saint Blasius' College. He's abducted by an alien who is collecting sperm. Brad is the alien's latest project.
Alien Unknown
By Wyatt 4 Jul 2025
Wyatt, a senior in highschool, has his life flipped upside down one day after soccer practice. Will he be able to fight the unknown? To fight the urge to give an alien what it desires most from him?
The Human Bearer (ch. 17)
By Daemon D. Hart 2 Jul 2025
A pregnant Riordan needs to serve as stimulation for seth - and cum - production in front of Lewis's many snakemen husbands.
The Human Bearer (ch. 16)
By Daemon D. Hart 21 Jun 2025
Riordan is going head to head with High Commander Kanto Vai, and ends up being punished for his disobedience of the rules.
The Human Bearer (ch. 15)
By Daemon D. Hart 6 Jun 2025
Riordan has fun with his snakeman husband Xana, who's obsessed with his pregnant belly. Kyle the bot informs him later that Tasha and Xer don't appear to be on the planet anymore, just before disaster strikes.
The Human Bearer (ch. 14)
By Daemon D. Hart 31 May 2025
Riordan experiences his snakeman's bifurcated tongue on his balls, his snake tail in his all available holes and the pleasure of having his belly filled with alien cum.
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Alex, Hive Mother
By Alex Aims 7 Apr 2025
Alex thought John was just a hot new coworker—until a steamy stockroom encounter revealed John’s alien secret. Now trapped in a pulsating hive, Alex births a monstrous brood, his body no longer his own.
James the Space Diplomat
By Oliver V. Cub 7 Apr 2025
It is thousands of years after Earth discovers space-travel. Sex has become an important tool for an intergalactic diplomat. This story follows our stocky space cadet, James, on his visit to an alien planet. When the planet's leader takes a liking to him, will his can-do attitude leave a good impression for Earth?
Chosen by Aliens
By Staffido 15 Mar 2025
Muscular men were captured by aliens just to be dairy cows
The Beast Dines Out (ch. 32)
By Kyle Michel Sullivan 6 Mar 2025
Dirc and Irin establish their business...
The Beast Dines Out (ch. 31)
By Kyle Michel Sullivan 5 Mar 2025
Dirc handles Barnes and establishes his pack...
The Beast Dines Out (ch. 30)
By Kyle Michel Sullivan 3 Mar 2025
Dirc makes a deal with the power that be...
The Beast Dines Out (ch. 29)
By Kyle Michel Sullivan 2 Mar 2025
Dirc makes a convert to his group...maybe two of them...or even three...
The Beast Dines Out (ch. 28)
By Kyle Michel Sullivan 1 Mar 2025
Dirc and the Beast discuss the next steps...
The Beast Dines Out (ch. 27)
By Kyle Michel Sullivan 26 Feb 2025
Dirc uses Griff and offers him a new way to live...
The Beast Dines Out (ch. 26)
By Kyle Michel Sullivan 24 Feb 2025
Dirc takes Lon and a couple of hostages to Irin's hideout.
The Alien Plant
By sweetcum 22 Feb 2025
My car stopped working in the middle of a forest. After getting lost in the woods I encountered a weird plant which had an unsettling plan for me.
The Beast Dines Out (ch. 25)
By Kyle Michel Sullivan 17 Feb 2025
Dirc turns the tables on his captors.
The Beast Dines Out (ch. 24)
By Kyle Michel Sullivan 15 Feb 2025
Dirc is arrested but may have a backup plan, using Irin and a hostage...
Aliens Having Sex With Men-First Encounter
By Del Crane 2 Jan 2025
Alien Men Develop a Taste for Human Cum.
Slimy underwear
By Tim 30 Oct 2024
After being lost in a creepy basement, you are left with no choice but to put on a sweat and cum stained jockstrap, and you’ll soon realize how it affects you in the worst way possible.