Her husband suffers from ED, leaving their marriage sexless, and Risa naturally struggles with unfulfilled desires. She secretly indulges in masturbation behind her husband's back, yet even that fails to bring her satisfaction. Her longing intensifies, driving her to seek new ways of release. What she chooses is to confront her own body directly. The new pleasures she discovers through this process, along with her reevaluation of the relationship with her husband, become a turning point that profoundly changes her life.