It was his younger brother who lost his husband to his wife, Sakura, and his daughter, Rio, who were at a loss. He was asked to take care of them after he died from his older brother. Originally, the person who had been in love with Sakura agrees, and the life of three people should start. However, the attitude from day to day began to change suddenly, and the secret thought and sexual desire were runaway. The two without the meeting can not be able to resist.