Work material: Shu and Haruka seem to enjoy a joyful marriage. Two years into their relationship, Haruka decides she wants to start a family with her husband. Unfortunately, Shu suddenly becomes impotent in bed. The doctor reports no physical problem, pointing instead to a possible psychological issue. In reality, an inner secret of Shu's mind is affecting his performance—a fetish he has only hinted at to Haruka. Their plans for a child now face an unexpected obstacle, leaving the couple uncertain about how to address this hidden challenge in their future plans.