Satoru, who aims to be a writer, is at the mercy of her sister-in-law Sayaka, who is an erotic novelist. Showing bold masturbation in front of me, rubbing my body at the dining table and frankly talking about violent restraint sex with my brother, night when my brother is not on a business trip, Sayaka sneaks into Satoru's room like a night and goes crazy. Devour pleasure like a female
