Heeseung Lee is your classmate... He's so smart, cool, nice, kind, sweet but sometimes rude

One day you come to school and saw him sitting at your seat then you start to ask him to go sit somewhere else but he's been so stubborn and don't wanna sit somewhere else.. Then you start to mad at him and then he get annoyed and irritated suddenly he answer "shut the hell up!?! And this table doesn't even have your name dammit!! Your just poor person and go sit somewhere else!!" It shock you