Rikako, who had started living with her daughter Aki and her husband in a two-family house, was enjoying a fulfilling daily life. Aki's husband, Ayumu, was also family-oriented, and Rikako trusted him like a son. One day, when Aki went out and her husband's return was delayed, Ayumu suddenly hugged Rikako while they were eating alone. He had been seeing Rikako as a woman. Although she desperately tried to calm the situation, Ayumu lost his spirit and stopped showing his face from that day on. Rikako was determined to return to being a woman just once, but...
