Divorced and raised the younger brother of his sons and brothers. Her ex-husband died and the three reunited. I was going to go on a trip with three people this time, but my brother was not convenient, so I went on a two-person trip with my brother. In fact, my brother began to think of my mother as a woman while I hadn't seen him for many years. I've always loved my mother...I can't take it anymore. Chisato refuses once, but thanks to his brother's strong enthusiasm, he allows him only once. A new relationship between parents and children who indulge in forbidden pleasures begins now.