Yukie Mitani, 43, lives in a quiet residential area in Setagaya. Her husband is a manager and a good boss who is loved by his subordinates, but he is a perfunctory husband, so what inspires Yukie is the monthly appreciation party for his subordinates that is held at their home. This is her only chance to interact with men other than her husband, and her younger subordinates praise her as a woman. Yukie, who has always been popular with younger men, remembers those days. Then, a 27-year-old employee and a 23-year-old new employee confess their feelings to her, and she can no longer suppress her desires...