uncle and asobo, ishimura soba's only middle-aged and three brothers' nephews.

Kashiwaba was left at a relative's house while her parents were out. However, the three middle-aged brothers Ichiro, Jiro and Saburo who were not able to get married in Ii age lived in that house. The three of us, who have lived a life that has nothing to do with the opposite sex and children, will be replaced by mulberry leaves which are not resembling this family because their rationality is broken down by the genuine and innocuous love of mulberry leaves.