Sleeping in Math Class, My Identity as a Top Student Was Exposed

Xu Cong accidentally fell asleep in the class of his irritable brother, Teacher Liu. In order to avoid punishment and prevent himself from being embarrassed in front of the whole class, he had to reveal his identity as a top student! From that day on, Xu Cong's campus life completely changed! Teachers of various subjects: It's up to you whether you want to listen in class or not. When you're tired, go to sleep and don't worry about us. Classmate: Xu Shen, how did you study? Can you teach me some tricks? I can do anything for you! Xu Cong: Question teacher, do you call this a difficult problem?