Prep school student Yu has a secret pleasure: saying hello to his landlady, Yuko. He calls out to her every day, drawn by her fragrant scent, but one day, Yuko stops showing up. Worried, Yu decides to sneak into her room... There, he sees Yuko masturbating, defenselessly exposing her lewdness. Their eyes meet and he runs away in a panic, but he can't get her lewd figure out of his head. The next day, Yuko appears with the same smile as before and invites Yu to dinner...