Emi (Mirai Sunohara), who is in her second year of marriage, moves into this apartment building due to her husband's transfer. By coincidence, the senior she had a crush on in college lives in the same apartment building, and as they get excited talking about old times, he approaches her and they end up having a relationship. Their relationship is discovered by the landlord, Sugisaki, who uses it as a pretext to blackmail and rape her every day.