The emptiness of a wife who feels her husband is having an affair. Uchida, a young man who worked together at a convenience store where Kaho worked part-time, noticed such a change in Kaho and called him. Uchida is attracted to her mature adult charm, and when she invites her out for drinks at the end of her part-time job, Kaho responds to the young man's obedient flirting, although he it's very difficult for us to understand.