Twenty years after getting married as a student, Reiko is a wife who believes her happiness comes from supporting her beloved husband. One day, while living an ordinary life, Reiko is scouted in the street and, for the first time, lies to her husband who is against the plan and starts working as a model. The joy of being seen as a woman for the first time in a long time and the embarrassment of wearing a revealing leotard make Reiko's crotch tingle, and they form a secret relationship that they cannot tell her husband about. However, their relationship is suddenly discovered by a certain man...