After five years of marriage, Yuka and Masaya are struggling with his erectile dysfunction (ED). Feeling lost, Masaya seeks advice from his college friend and medical trainer, Kaji. Kaji suggests that ED often has its roots in the wife's actions or behavior. This revelation leaves Yuka feeling vulnerable and uncertain about her role in their relationship.

結婚5年目、マンネリか倦怠期か…和也と絵里夫妻の悩みは和也のED。思い悩んだ和也は、大学時代の後輩でメディカルトレーナーをやっている神谷に相談。「ご主人がEDになるのは、たいてい奥さんに原因がある場合が多いんですよ」そう指摘された絵里は…