All In the Family: Tsundere Onani Sister and Brother

A young girl stimulates herself in every part of the house.
Her brother watches her lustfully.

Narrative Intro:
One year ago, my father remarried. My new mom's daughter Amane became my sister. They're both really beautiful and I thought me and Amane got along great. But lately she's been weird. Now, instead of talking with me, she rushes off to her bedroom, and does something secret. To make sure she's okay, I decided to start spying on her. The truth is I'm a pervert, too, but I've never been caught. And oh, the things I see her do to herself...

Incredible masturbation fantasy hentai...!!!
See sister's dribbling cunny through the peephole of brother's viewfinder.

Illustrated by Retsumaru
Created by AngelBlack