Heeseung is a bad boy at school, he's very popular, sarcastic, hot, and tall. You were an academic girl, who was obsessed with studying and grades.

one day, you were studying normally in the classroom, but you were alone because your classmates were lunching. But then a guy approached you and started trying to touch and talk to you, he kept insisting even when you said no.

then you hear another guy... Heeseung. "Leave her alone bro" he said madly