Gay Science Fiction Stories

GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.

8.7
12 Votes

The Invisible

Story by DarkShadow

28 Jun 2007 2534 Readers comments 19 Min Read

This is a Halloween story I wrote originally for another site. Two boys who have friendship and sex in common experience gay life from a different angle.

Topics: Boypussy, Sci-Fi, Oral & Blowjobs

7.8
9 Votes

Young Again

Story by Annon

5 Apr 2007 3666 Readers comments 9 Min Read

He zipped my shorts open, slid my bikinis aside and threaded my already firming up cock out into the open.

Topics: Sci-Fi

7.6
18 Votes

Penis Vibrations

Story by Annon

3 Apr 2007 6394 Readers comments 9 Min Read

Max grabbed my feet and parted them. I immediately felt cool air hitting my ass hole which immediately retracted into a closed ring. Tony laughed and got undressed. What a hot body, swirling hair decorated his chest and belly and his thick cock was already rampant and dripping.

Topics: Forced, Sci-Fi, Electro

8.3
10 Votes

One Week Invisible

Story by Annon

2 Apr 2007 6638 Readers comments 15 Min Read

I lied back on the bed, put my arms behind my head, whew, I needed a shower, I could smell my pits. But now they smelled nasty like the sex I was enjoying. Billy lost no time in trying to take my seven inches deep in his throat.

Topics: Sci-Fi, Smells, Oral & Blowjobs

8.9
28 Votes

Roswells Frontier Motel

Story by Habu

20 Feb 2007 3926 Readers comments 12 Min Read

Learning the draining secret of Roswell, NM

Topics: Black Men, Face Fuck, Sci-Fi

7.8
105 Votes

Foreign Fluid

Story by lover

20 Nov 2006 36148 Readers comments 37 Min Read

Daniel, an earth gay man, was abducted by the aliens. The aliens looked exactly like humans, the handsome ones. Their plan was to study human male's ejaculation system. And they injected foreign fluid into his prostate and testes which could make him ejaculate his seeds again and again.

Topics: Abduction, Sci-Fi, Sounding, England, Aliens, Ass Play

7.1
16 Votes

Robot Sex

Story by Michael Shuler

18 Sep 2006 10086 Readers comments 8 Min Read

Jet said, offering his paper uniform to the robot. She took it in her hand and shredded it easily. She slid a rope out of her pocket and backed him against the small bed. In a moment he was tied to the bed, squirming in the chill air.

Topics: Military, Sci-Fi, Oral & Blowjobs, Robot

8.3
15 Votes

Members only

Story by GSC

14 Sep 2006 2436 Readers comments 3 Min Read

He stepped back from the screen, revealing his oh so tight jeans, showing me his slim body. A strange music started to play somewhere and my eyes misted over. I blinked. There was smoke across the screen.

Topics: Poppers, Masturbation, Sci-Fi, Oral & Blowjobs, Jeans