Aimi gets entangled with her ex-boyfriend Okuda while getting sweaty. - I tell my ex-boyfriend that Im going to a ryokan in Kusatsu to try again with my husband because Im worried about my summer vacation schedule. - One day she meets her husbands younger brother Tsuyoshi and is told that she wants to go with her, and she comes in a confused state. - At that inn, Tsuyoshi will be forcibly asking for it ...