230OREH-004 Chinese subtitles Mitsuki Kamiya got the sister and brother who were shopping. (Brother: Harunobu, 21 years old, student) My elder sister works in a clothing store. It was called a project to investigate the relationship between siblings. It started by asking each other about their favorite food, and then gradually started to ask "Do you have a boyfriend?" "Have you ever kissed?" "Have you ever masturbated?" and so on. The two of them were gradually led by erotic issues.

Tags: Mitsuki Kamiya, Mitsuki Aya, Chinese subtitles