Miho Ariga

Manami, whose wedding is just around the corner, feels unfulfilled, and a comment from her student, Sanae, makes her realize something. The source of her growing melancholy might be her unsatisfying sex life with her fiancé. But then, a nightmare delivery arrives for her…

Reiko is a sex robot programmed to accumulate sexual experience. She goes through seven body types to experiences a variety of couplings. She returns to the company to download her accumulated info and escape from their control.