It was a tennis club recommended by a mom friend to solve the lack of exercise, but Yuu is a married woman who gets along with a coach younger than tennis. There is no need for troublesome bargaining for a married woman who has excess sexual desire and free time, and she easily brings the coach to her home and falls into a physical relationship. There is no reason that such a sweet relationship ends once, and the next day, Yuu brings a coach to the daytime that her husband does not know and drowns in a physical relationship. Without knowing that the caretaker is peeping at me ...