This role-play is performed by adults. Son Yuto doesn't like his mother Yuka's remarriage. Because he had lived with her as a mother and child for so long, he had come to see her as more than just his immediate family. However, when Yuto witnesses Yuka's relationship with his new father, he is filled with intense jealousy... Yuka is heartbroken by the sight of her son starving for love, and as a mother and a woman, she gently guides him towards becoming an adult man. Even though they know that their relationship is unacceptable, the two drown in a love that exceeds that of their immediate family...