GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.
Two of the most unique minds in the world are sent to one of the most remote places there is. They don't know what they are there for, the survival of mankind may very well depend on it. Their rich employer is also playing games with them as his people are quite eccentric.
Topics: Bondage, Voyeurism, Sci-Fi, Co-worker, Oral & Blowjobs, Cum Swallow
Alien lifeform take young boy as a host so it can feed
Topics: Rubber, Sci-Fi, Aliens, Horror
Alien finds human host to harvest the earthlings males
Topics: Rubber, Sci-Fi, Aliens, Horror
A boy finds a purple rubber outfit and falls under the control of the alien entity so the alien can feed.
Topics: Rubber, Sci-Fi, Aliens, Horror
Our hero Jake is rescued, but is he about to be involved in more danger? As he learns more about Cerule, will he begin to get a grasp of this new destiny and life that is opening before him?
Topics: Fiction, Sci-Fi, Lust
A weird pandemic swiped the world...Jimmy opened the door to a young man and didn't realize his fate will flush to a sea change.
Topics: Bondage, Forced, Milking, Religion, Sci-Fi, BDSM
In the conclusion to The Rut, all storylines collide, the mystery of Sunday Stu is revealed, the pregnant jock bros each get what they most desire, and so does everyone else.
Topics: Jock, Breeding, Sci-Fi, Bromance, Male Pregnancy
As he walks to the Collection chamber, he looks at the others, like him, in this immense room. Shaved. Naked. Muscular. His body, like theirs, is at its peak of specimen perfection. The machines have seen to this perfection. As each in this room share his approximate age. He is in his twentieth year of existence. And he does what he is told to do.
Topics: Muscle, Sci-Fi, Shaved, Nudity
Captain Lukas is close to retirement, but he thinks he has one more mission in him. He leads two rookies on a galactic chase for a petty drug dealer, only to find something far more dangerous on the uninhabited mining planet ER-14...
Topics: Crossdressing, Bondage, Spanking, Wrestling, Humiliation, Feet, Hypnotized, Sci-Fi, Chub, BDSM, Horror, Robot
The last rocket is about to leave Earth, the last for any hope of evacuation from the dying planet.
Topics: Fiction, Sci-Fi, Sex
Riordan didn’t think it wise to sound so harsh when dealing with his master, but he couldn’t help it, still pissed and scared about what had happened with Kyle and the young soldier. Although while those military types had been wanking him about, he had thought of nothing but how safe he would feel back in Xana’s arms.
Topics: Breeding, Sci-Fi, Aliens, Fucking
With the rebellion over, the mutant-droids are at last able to live the life so long denied them. Felix and Jorge celebrate with their first lovemaking in their natural form ...
Topics: Bondage, Rubber, Sci-Fi, Oral & Blowjobs, Body Modification, Fucking, Robot
Aman, Moh and Dan are three young man, who volunteered for a experiment in which they get paid highly. At first, the staff prepare them seperately in different room, where Aman get injected with a blue serum, Moh and Dan injected with red serum. After that, they enters in room and locked for 48 hrs. Soon, as minutes passes, they start feeling lust, horny and arousal feelings towards each other. ...
Topics: Threesome, Romance, Sci-Fi, Male Pregnancy, Boyfriends, Straight to Gay, Fucking
Alien invaders come to planet earth to enslave the humans
Topics: Rubber, Sci-Fi, Aliens
Cracks began to show more clearly though, at first it was little things. Diego took me to the cafe he took me to that first day, where he’d lay me back on the table and fucked me not caring who saw. The look on the girl’s face told me that wasn’t the last time he’d done that in the cafe, and that I wasn’t the only one. She knew as well as I did that survival meant doing things we ...
Topics: Fiction, Romance, Sci-Fi, Dystopian, Love
The jock finally understood what he was born for. His only value in this life is to produce sperm and be a milking bull....
Topics: Muscle, Bondage, Forced, Edging, Milking, Sci-Fi, Master & Slave, Cum Control
Jeremy is invited back to a party hosted by Trent and Nico.
Topics: Anal Sex, Muscle, Rough Sex, Big Dick, Group Sex, Alpha Male, Sci-Fi, Power Bottom, Big Ass
Jayson awakes to a klaxon alarm ringing through out the station. An evacuation order has been called, but what's happening?
Topics: Fiction, Sci-Fi, No Sex
An exploration of what happens to one slave after the end of his service and his attempt to reenter society.
Topics: Chastity, Big Dick, Sci-Fi, Master & Slave, Submission, Control
Matthew gives a tour of the milking factory where kidnapped and bound muscle men are milked.
Topics: Muscle, Bondage, Forced, Milking, Sci-Fi, Master & Slave
An FBI agent investigates an abandoned farm, on federal property, of a modified plant, that is suspected of being used to grow marijuana, and possibly linked to the disappearance of several young me.
Topics: Muscle, Abduction, Military, Milking, Sci-Fi, Transformation, Power Bottom, Amputee, Submission, Body Worship, Supernatural, Dubcon
Noa's brothers are counting on him, but will he rise to the occasion? (This chapter is a quick setting setter before we reenter Cornell properly in the next one. Check back for it tomorrow.)
Topics: Fiction, Chastity, Abduction, Sci-Fi, No Sex
Chris's boss invited him him to go see some cum hungry aliens at his house... at midnight. But is it just a ploy to get some one on one bouncy bouncy time with him?
Topics: Cum, Sci-Fi, Aliens
A long running story which will be following Alister, a soon to be developed superhuman, in a new world of powers.
Topics: Interracial, Military, Sci-Fi, Superhero
Another comes along, one who seeks those rumored to have come before him.
Topics: Anal Sex, Fiction, Sci-Fi, Oral & Blowjobs
Story of a recently divorced man getting reintroduced to sex with men. And aliens!
Topics: Anal Sex, Group Sex, Sci-Fi, Oral & Blowjobs, Aliens, Furry
Three Americans taken captive aboard an alien vessel. Kyle and Jackson prove easy enough to milk for their seed. But, the aliens encounter a problem with Ben.....
Topics: Milking, Sci-Fi, Aliens, BDSM, Straight to Gay
Two slaves are purchased to preform at an inner city club. One of them is about to get kidnapped by and young man.
Topics: Bondage, Romance, Transgender, Sci-Fi, Master & Slave, Dystopian
A young straight boy it is transformed due to the semen of a big and strong worker
Topics: Hairy men, Cum, Sci-Fi, Transformation
Epilogue. Thank You All for Reading!!
Topics: Romance, Fantasy, Sci-Fi, Magic
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