Rikako started living with her daughter, Aki, and her husband in a multi-generational home, enjoying fulfilling days. Aki's husband, Ayumu, was also family-oriented, and Rikako treated him like a son. One day, when Aki went out and her husband came home late, Rikako found herself having dinner alone with Ayumu. Suddenly, he embraced her. Ayumu had been seeing Rikako as a woman. Although she managed to smooth things over at the moment, from that day on, Ayumu lost his energy and avoided showing his face. Rikako resolved to confront this situation once more as a woman...
