She was adopted by her brother, a simple-minded but strong-willed child. (Sasahara Urara YSN-628)

Although she doesn't dislike sex, the busty younger sister, Hanahara Rei, doesn't enjoy having sex with her real brother. She wants to escape her brother who only masturbates at home, so she decides to listen to his demands. She uses her tongue and penis to stimulate her voluptuous body and sensitive vagina, bringing her to orgasm multiple times.