GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.
After an emergency evacuation, Andros is the only man left at Sky, the first and only orbital station ever built by the mankind. 'Sky is falling', the orbital station is doomed, and Andros with it, but he doesn't care, as no one will miss him. But... is it so?
Topics: Anal Sex, Romance, First Time, Sci-Fi, Virgin, Oral & Blowjobs, Illustrated
Waking with a hangover things are not quite as they were.....
Topics: Drugs, Sci-Fi
When Captain Niall Coventry's life partner is captured by the Danog and transformed into a latex sex slave, their lives are changed forever. But the Danog have made a fatal mistake, Niall has himself transformed and leads a special task force of the rescued sex slaves to sabotage the Danog's home bases and bring to an end their ravages of human colonies ...
Topics: Bondage, Rubber, Sci-Fi, Transformation, Sex, Aliens, Fucking, Latex
He was at the busstop. He was so hot my dick started getting hard in my pants and he was flagging me down! This black guy had everything! And everything I WANTED when I saw how big his crotch was! But he couldn't be gay, could he? He had missed his bus out of town and needed a place for the night and was willing to pay a few bucks! Maye we could work out a deal! I told him 'no problem-bo!'
Topics: Black Men, Arab, Anal Sex, Muscle, Straight Men, Big Dick, Interracial, Sci-Fi, Oral & Blowjobs, Ass to Mouth, Turkish
After that last message (see chapter 2) we were a little bit in shock. What now? Our relationship is getting stronger and stronger as the days go by but the outside influences, mainly coming from who knows where, are a bit of a disruption! This all comes to a unique ending with our triad finding out the true purpose!
Topics: Romance, First Time, Sci-Fi, Age Difference, Love
In a far off galaxy in the present, a UFO makes it’s way along many planets and stars. It’s occupants on the other hand do not care for stars or planets. No, these unearthly beggars just want to plant their seed in as many times as they can in any form of crevice they can get their hands on. With a little probing they can’t go wrong.
Topics: Bondage, Sci-Fi
Chris Redfield is the subject of Wesker's debauched experiment where he was reduced to nothing but a muscle meat for his pleasure
Topics: Muscle, Cop, Sci-Fi, Master & Slave, Submission, Nipple Play
College jock guides a shy, awkward nerd through his first public ejaculation in a mysterious research lab.
Topics: Public Sex, Group Sex, College, Jock, Cum, Milking, Sci-Fi
After Nolan and his friend return home from the Alien ship there seem not to be able to return to normal life.
Topics: Straight Men, Breeding, Rape, Male Pregnancy, Aliens, Horror, Footballer
Let Fastos the alien take you behind the scenes at DRONE, INC., the galaxy’s hottest manufacturer of realistic sex drones
Topics: Abduction, Sci-Fi, Transformation, Horror
A continuation of the story about Corbett and Duncan and their search for the meaning behind the relics.
Topics: Anal Sex, Fiction, Sci-Fi, Oral & Blowjobs
When a new global product causes chaos amongst human kind.
Topics: Anal Sex, Muscle, Sci-Fi, Oral & Blowjobs, Body Modification
Jim and Dennis have bought an old house which they plan to renovate. In the process they discover it has a very well equipped 'fetish dungeon' beneath it and, being into latex and bondage themselves, invite their friends -- The Gang -- round to explore it with them. The discovery of a very strange device leads to an unexpected and permanent change for both of them ...
Topics: Anal Sex, Bondage, Dildo, Rubber, Sci-Fi, Oral & Blowjobs, Body Modification, Latex
Joe's fantasies become real when he has to leave home and moves in with his mentor at university. Short of money, he takes a job in a research lab focussed on mind control ...
Topics: Anal Sex, Bondage, Rubber, Sci-Fi, Mind Control, Oral & Blowjobs, Fucking, Latex
Suffering from ADHD sucks, especially if you are above average intelligence, so when Jason is finally offered a way to beat it, and realise his potential, he opens a door into a whole new life ...
Topics: Bondage, Rubber, Sci-Fi, Sex, Fucking, Restraints
The Sardar reminds Jack of an anniversary, and a celebration is arranged. Jack and Rod find themselves at the centre of a bondage orgy. With the community now fully integrated, settled and happy, they can look forward to a very happy future.
Topics: Anal Sex, Bondage, Rubber, Sci-Fi, Oral & Blowjobs, Aliens, Fucking, Latex
As Will searches for answers, a deadly conspiracy makes itself known: an intensely erotic encounter years in the making, murder, mayhem, and a little ABBA. Surrender yourself, at your own risk, to the Neon Mist.
Topics: Romance, Coercion, Sci-Fi, Mind Control, Sex, Fucking
CHAPTER 3 - It is the year 2070 and it is a whole different world. A drug that cures every disease has now caused my lover and me to be enslaved to the top jock on campus. The slaves are now split up while the Master takes slave paul to a sex shop.
Topics: Bondage, Punishment, Alpha Male, Sci-Fi, Master & Slave, Domination, BDSM
And then, there I was, in this world.
Topics: Fiction, Sci-Fi
Commander Gib is desperate to save his ship and complete is mission. Will this big cocked creature be able to save him?
Topics: Anal Sex, Rimming, Big Dick, Sloppy Hole, Breeding, Sci-Fi, Big Balls, Aliens
Step bro comes home from college and shows me his big crotch snake, then we go on an adventure together. This is a true story. : )
Topics: Brothers, Jock, Fantasy, Sci-Fi, Humour, Twink, Bromance, Demons
Luke's butt continues to go through changes... luckily he has his best bro Sammy to help him out!
Topics: Sci-Fi, Transformation, Twink, Big Ass, Ass Play
After being enlarged by a reverse shrink ray, a giant COVID-19 virus is thirsty for gay cock and needs five brave men to fill it with their hot loads.
Topics: Group Sex, Slut, Cum Dump, Sci-Fi, Gangbang, Monster
The Galaxy’s biggest prostitute, Owen, goes back to the bunk of an alien he hooked up with in a bar. But he find that they’re not alone.
Topics: Anal Sex, Big Dick, Group Sex, Sloppy Hole, Bareback, Sci-Fi, Smells, Size Difference, Aliens, DILF, Deep Throat
A lone hunter has a strange encounter with a beast in the forest
Topics: Big Dick, Outdoor, Breeding, Sci-Fi, Smells
Mel a 18 yo skinny nerd was about to become an adult. He always had thoughts how it would be to become a young sexy girl. His parents knew he was gay. Mel when he was 16 yo ran up to a boy he liked and kissed him on the lips. The school board had mel transferred to another school. Parents did not want their boys subjected to gay situations.
Topics: Transgender, Sci-Fi, Transformation, Slave Training
Interactive simulation narrative of the inspiring life of Ventress, the titular character.
Topics: Sci-Fi, Role Play
The world is left to the Bots, known as Users. Two of which, Digit and Flux; explore their physical love relationship. Digit overcoming his physical defected paranoia.
Topics: Anal Sex, Romance, Sci-Fi, Love
Welcome to dystopian world of Modern. Meet Jacks and Terminal, both high ranking soldiers. It's clear Terminal is hot under the collar. Jacks decides to help him with that, regardless of the risks?
Topics: Fiction, Sci-Fi, Electro, Seduction, Sex, Dystopian
A Zenon takes over a human body on Earth in order to survive
Topics: Big Dick, Sci-Fi, Transformation, Kissing