Brother + Sister + Incest Stories

He was masturbating into her underwear night after night—rubbing himself against the soft lace of her favorite pink bra, spilling thick ropes of cum across the crotch of her pale-blue panties, then carefully folding them back into her drawer so she’d unknowingly wear his mark against her most intimate skin the next day. The secret thrill of seeing her walk around the house in those same stained pieces, hips swaying, ass cheeks shifting under shorts, kept him hard and aching for more.

An ancient alien race comes to earth intent on the subjugation of the dominant species on the planet, humans! They were a race of symbiotic organisms, they fed off the sexual energy of their hosts. Is earth doomed? How long does humanity have? Can they be stopped? Will anyone even try?

This is my contribution to the stereotypical brother-sister story... at sea.
Imperfect tranlation of "Crucero", if you can read spanish, go for the original. / (Reviews)

Amber and Ron are brother and sister -- but they are a whole lot more than anyone else could imagine. Amber has been out for a date with a guy and when she comes home, she's brought lots for Ron to enjoy too.

She lay in bed still naked and her mind drifted. She could see their eyes devouring her naked body as Simon instructed her to do just what she was doing now. One hand was squeezing her breasts hard while the other moved between her legs

Twin sisters convince brother to turn them into his sluts and more / (Reviews)

The character of Kathy Sullivan is developed further to show her depraved outlook on sexual relationships and her kinky urges for unusual things.