When Tomomi's husband is hospitalized and she is forced to live alone, her daughter and son-in-law come to live with her. Tomomi is grateful to her Kokoro daughter and son-in-law, and all she can do is hope her husband gets better. One night, she hears yelling coming from her daughter and son-in-law's bedroom, and when she sneaks in to peek, she witnesses their unfulfilled sex life. Tomomi tries to offer a solution to reconcile the two, but she had no idea that her voluptuous breasts will drive her husband crazy.