A married woman, Chisato, who is a manager as a landlord of an apartment inherited from her parents' house. One day, Miyamura, who has lived here for many years, decided to return to her parents' house. When she parted, Miyamura suddenly pushed Chisato down, saying, "I've always loved you!" Chisato reluctantly forgives her body "only once", but she feels that Miyamura's violent sex, which is about to hit her feelings so far, makes her crazy and asks for it many times. However, she inadvertently overheard the situation from her next-door neighbor...
