Experiment Stories

11,681 results
Orientation
Length
Source
Infinite Scroll

Animal Instinct Ch. 03

by riverboy on Sep 16, 2017
Interracial Love

This story is fiction. Fantasy. Not real. All characters are over 18 ***** Mr. Black made casual inquiries around the school, trying to find participants for his next experiment. He made note of who seemed interested in the subject of natural instinct, with emphasis on who he thought would be able to handle the sometimes intense experiences. How the partic...

Joe's Science Experiment

by joehard_007 on Sep 25, 2017
Exhibitionist & Voyeur

When I signed up, I had no idea it was going to be like this! I was reading the campus newspaper and came across an ad for a study which was being conducted by the Mass Media college. It simply said, "Study of sexual arousal being conducted. Apply in person." Well, being a grad student myself I always try to help out other researchers. But I couldn't help bu...

What the Hell are These Berries

by flashgordon562006 on Jul 13, 2020
Erotic Couplings

This is a follow-up story to 'Lisa, directs her first porno' and should be read beforehand. ******* "We now have more than two hundred of these berry shrubs growing at our resort but we don't know anything about them, except for the effect it has on a person's sexual appetite." She thought aloud. Lisa then decided to contact her friend, Anna, who is a che...

Mein Schatz kann sich verwandeln!

by PseudoFrau on Jul 19, 2016
Science Fiction

In dieser Geschichte kann sich mein Schatz Lisa beliebig verwandeln. Sie kann buchstäblich zu Alles und Jedem werden! Doch wie macht sie das? Magie, Technologie, Aliens?What's next? [Informationen] Ein Verwandlungsanzug! Ein Experiment an der Uni! What's next? [Informationen] Ein Verwandlungsanzug! Ein Experiment an der Uni!...

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TF Quickies: Bubblegum Witch

by Uniracer on Jun 19, 2018
NonHuman

At last, Valeria's magical experiment was ready for human testing. Preparing it had left her workshop a bit of a mess, but the result was worth it. She held in her hand a stick of pink bubblegum, glimmering with the power of her own witchcraft. Without wasting a second, she popped it into her mouth and began to chew. It tasted like strawberry, her favorite....

Enhancement: Experiment Ch. 05

by sylvershade on Sep 12, 2017
Sci-Fi & Fantasy

Author's note: Sorry for the short chapter... I need a bridge for the next story arc. Sylver ***** I was gulping down Jerome's thick delicious semen, my mouth stretched around his massive head as he unloaded his half gallon of sperm into my stomach, when I heard the mistress walk in. For a week, this was our routine, except the mistress didn't let him f...

Working with Her G-Spot & His Prostate

by LaceySheets on Sep 14, 2017
How To

Spend A Passionate Evening Finding Each Other's G-Spots The G-spot may not be a surprise to some women who have already discovered the ultimate orgasm using this quarter-sized button of spongy tissue of the front vaginal wall. These women may have gone looking for it themselves or perhaps discovered it accidentally during intercourse. If you don't experimen...

Dr. Smith's Specimens - Subject #01

by LadyMorgan on Mar 30, 2020
Sci-Fi & Fantasy

Subject #01 Birth name: Kathrine Elizabeth Miller Date of birth: September 7th 2000 Height: 5'5" (1.65 m) Weight: 150 pounds (ca. 68 kg) Post Experiment name: Kitty Programming: Ditsy Bimbo Arrival date: March 15th 2018 Duration of change: March 17th — May 17 Experiment notes: Miss Miller was the typical plain Jane when she arrived at my doorstep....

Autus Ch. 02

by sexgundam666 on Sep 19, 2017
Sci-Fi & Fantasy

"Well, you've seen porn, right?" Gwen nodded as the Futa gestured her flaccid cock, "Do what you saw, don't worry, we're not gonna fuck you or anything." She explained reassuringly. Gwen eyed the appendage carefully, having only ever seen two in real life, both which had been her parents when she'd walked in on them. Silencing her doubts, she reached out and...

E: England

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

Elizabeth signed up for the experiment, not knowing what she was getting into. It paid well and she hoped to be able to go home for the holidays with the money. She arrived promptly and was guided to the appropriate room. Once there she was told to touch the computer screen, read the instructions, and agree to conditions of the test. She saw the screen in...