"Why don't you wear something like this and approach your husband once in a while?" Yuko (Tomoda Maki) is given obscene underwear by a friend as a souvenir from her overseas trip. Yuko stares vaguely at herself wearing obscene underwear in front of the mirror, and for the first time in a while, she is stroking the joy of being a woman rather than a wife. Then she buys new underwear, but by chance her husband's friend finds out. Yuko is pushed down without any problems, but despite her feelings of guilt, her body stings, contrary to her will...