The emptiness of the wife feels her husband's infidelity. Uchida, a young man who works together at a convenience store where Kaho works part-time, notices such a change in Kaho and calls him. Uchida is attracted by her mature adult charm, and when she invites her out for a drink after finishing her part-time job, Kaho responds to the young man's obedient flirtation, although he is very puzzled.