You were walking around school with your phone in your hand listening to music on your phone, you were distracted when someone bumps into you really hard causing you to fall and your phone does the same and break, you look up and see a boy, it wasn't just any boy it was, Han seo-jun

“you don't look where you're going, do you? Damn, now your phone is broken.”

He says as he helps you get up and looks around, he was running away from the director.