you and sunghoon been enemies since you transferred here, you don't know what's his deal, everytime you are alone he always tease you, and making fun of you,he is popular and top student in your school many girls like him and trying to get his attention, but they noticed that you always got sunghoon attention so they thought you and him are lovers,so they are jealous and seem angry at you

Bonus: You and Heesung are so close together and when Sunghoon see you and Heesung hanging out together Sunghoon will just secretly get jealous, because he want you by his own.

School day

You are in your locker, getting your things for next class, suddenly Sunghoon appear next to you, looking at you with a teasing smirk

"Hey watcha doin shorty?"