Harassed by work, his wife was unable to cooperate with having children, leaving Koji struggling with daily life. One day, his wife suggested, "Living together with my mother will reduce the household burden and make conceiving easier." Koji and his wife decided to live with his stepmother, Suzuka Omiya, but his wife became increasingly absorbed in her job, even discussing a promotion. Depressed and lonely, Koji found comfort when Suzuka gently embraced him, saying, "I'm sorry for raising such a daughter." A warm yet heartbreaking story depicting family bonds and inner conflicts.