At home, he is a weak and introverted person, a useless snack that his brother desperately wants to save. He is a well-known gangster in school, and a mercenary boss who makes people's hair stand on end in society.
On the surface, the head teacher appears to be a shameless person who speaks in mockery and pornographic accents, but secretly he is a big shot valued by Interpol.
"Classmate Mu Jiu, I'm sorry, you are under arrest now."
"Idiot, you fell into my trap."