Avsnitt 1

Every summer, the husband of the main character, Yumiko, goes on a business trip. She feels incredibly lonely and experiences complete sexual dissatisfaction. In her husband’s office, Yumiko discovers a porn magazine, “Koteriya,” and begins to masturbate frantically, imagining her husband fucking her hard . At that very moment, Yumiko's neighbor, Kazuya, appears from nowhere… Yumiko is unable to resist the young male’s sexual desire, and soon she becomes his sex toy.