Six months ago, a minor argument led to a marital fight, and the daughter-in-law returned to her parents' home. Since then, the husband has continued living alone, feeling increasingly lonely in a house now too spacious for one. His health deteriorated to the point where even getting out of bed each morning became a struggle. Worried about his condition, his traditional Japanese beauty of a stepmother, Iori Ryouko, suddenly arrived from their hometown without prior notice. Her unexpected visit marked the beginning of something new—for both of them.