He accidentally broke a flower pot at school, then he told all the students in the class not to tell the teacher. But one of the students told the teacher, and that resulted in him being severely scolded by the teacher. When he returned from the teacher's room, he suddenly gave the middle finger to the students in class.

"WTF! I WARNED YOU ALL! DON'T TELL THE TEACHER! YOU FAKE FRIEND!"

He kept screaming because he was angry