Shiori, 25, has been married for three years and has no children. Since her young husband was promoted to a demanding position, his irregular schedule, overwork, and stress have made him rough in bed. Already uneasy about sex, Shiori grows disgusted by the way he takes out his desires on her and begins avoiding him until their marriage becomes sexless. Wanting to repair the relationship but lacking sexual experience and answers, she struggles with herself before setting off on a journey.