A housing complex wife, Salina, who is worried about her husband who has little physical strength and libido at night. Kishikawa, a middle-aged man who has just moved next to her, comes up with the idea of recommending her a tonic made by the pharmaceutical company where she works. A few days later, he visited her house in Salina, opened her window, and looked into her. was. The two, who were never supposed to meet, will have a violent affair after witnessing this masturbation.
