Kiriko is a full-time housewife in her third year of marriage, but her husband is satisfied with titfucking alone and leaves her sexually frustrated. One day, his boss brings him home passed out drunk. Kiriko has forgotten her bra, leaving her nipples clearly visible through her top without even realizing it. Aroused by the sight, the boss starts watching for his chance to make a move. A frustrated wife and the boss who wants her—what happens next?