Son Yuto doesn't like his mother Yuka's remarriage. - Because he had lived with her as a mother and son for so long, he had come to see her as more than just his immediate family. - However, when Yuto witnesses Yuka's interaction 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, they indulge in a love that exceeds that of their immediate family...