Genetic Compatibility Test!

"Uhhh...."

Mary Lous eyes slowly opened, her head a pounding drum of pain and ache. It took a moment before she fully regained her senses, and when she did, two things became apparent. First, she was tied down, silvery metal cords holding her down to a table. There was a tingling feeling where they touched her flesh, and it seemed like there were voices speaking to her from just beyond the edge of her hearing.

The second thing was that she was naked.

"Hello?" she called out, voice quavering. The room was bare metal, the sound of...something hissing out of sight. "Is anyone there?"

Nothing. "Hello?"

"ZZZZZZZZ PLEASE REMAIN STILL ZZZZZZZ"

"Who are you...."

"ZZZZZ...COMMENCES GENETIC COMPATIBILITY TEST....ZZZZZ"

"Genetic...what?" Then her eyes swung to her left, as a door slid open with a hiss. A dark hulking figure emerged eight foot tall at least, vaguely man shaped...except its skin was gray, its face flat and featureless, with only a lit for eyes. And riding between its legs was an absolutely massive penis, hard and erect.

The creature bellowed, and Mary Lou screamed. The cords vanished and she slid to the floor scrambling away in terrors as the beast approached, grunting fiercely.

"ZZZZZZZ...BEGIN INFUSION....ZZZZZ"

Vents opened on the floor. A pink colored mist filled the room, obscuring her sight for a moment. As soon as it touched her bare flesh, a wave of sexual desire surged through her, like nothing she had ever seen...it was as if every nerve in her body was on fire., especially in her cunny....

Her eyes opened, and focused on the massive cock head bobbing before her face...