I don't know what caused the two boys to meet and get to know each other, but it seems that they stayed together too late. "I have tasted everything in this world. It is very bitter. I can't let it taint your sweetness. In countless days and nights, the only thing I think about is whether the children today are troubled, whether there is anyone to share with, and whether anyone bullies my children." (Purely for entertainment, any similarities are purely coincidental)
Purpose: friendship, perseverance, faith