Kaoru Yac

Because of a major event, four sisters who didn't keep in touch much before got together. The third daughter, Takiko (played by Eri Fumazu), hired a private detective to investigate and found out that her 70-year-old father was having an affair and had given birth to a child. The sisters were all very shocked. On the other hand, they had to keep the secret from their mother. In fact, all four sisters