Minori, the landlord of the apartment, is a widow who lost her husband early. Because of her loneliness and maternal instinct, she treats Keisuke, who lives next door, kindly. Keisuke takes advantage of the privilege of being a ○ attendant and rubs his breasts as much as he likes. In addition, the act is escalated to the physical relationship. What's more, Keisuke's father set up a secret camera in Minori's room and was watching her foolishness. Minori can no longer escape from the hands of the voyeur father and son.