Tsubomi has an affair with her sister's husband, and her sister soon finds out about it... Maki is inspired by her sister and has an affair with her stepson, but she still feels unfulfilled. Airu is a frustrated married woman who meets up with a man every day. However, there is a man who is after her... Minami is a cute married woman. But her neighbor is having an affair with her in his fantasy, and the line between reality and fantasy becomes blurred...