Minori, the landlady of the apartment, is a widow who lost her husband at an early age. Her loneliness and maternal instinct lead her to treat Keisuke, who lives next door, with kindness. Keisuke takes advantage of his privileges as a child and squeezes her breasts as much as he wants. They escalate their actions and even become physical. What's more, Keisuke's father has set up a hidden camera in Minori's room and is spying on her indecent behavior. Unable to escape the clutches of the father and son who are watching her, Minori...