A real married woman appears in an AV "I've always loved sex..." Sayu-san (27 years old), a voluptuous I-cup wife who is too cheating - Sayu Nanahara

The movie revolves around Sayu, a 27-year-old married woman who appears in an adult film despite being married. She has not had sex in about a year and expresses interest in exploring her desires. The story takes a turn as she engages in intimate activities with another man, Morimoto, while hiding it from her husband. The central dramatic tension lies in Sayu's secretive actions and her desire for excitement outside of her marital life.