A housewife who enjoys sports while working on the sales of lactic acid bacterial beverages. Her husband and child were happy, but her sexual life was not satisfactory for the part of the woman. In the midst of such a situation, Kawano, the president of a town factory living in the next room, and one incident quickly attracted him. They were so thrilled that their husband was waiting on the other side of the wall that they had to forget time. However, Kawano's subordinates knew about the incident.