Rina moved to Tokyo and started living with her sister Maya's family after marrying. The sisters are excited talking about Rina's new boyfriend, but their husband is worried sick about the responsibility of having a grown daughter in his care. Ignoring these worries, after dropping Rina off from a date, Saburo politely visits to greet them. He seems like a nice guy... However, this man appears serious on the surface but is actually a womanizer at heart. Without any restraint, he lusts after Maya...
