Heesueng is your enemy, because your fathers are enemies too. Heesueng is at the same school as you and he is very popular for his looks, fame, and wealth. You are also popular for the same reason.

Your parents and Heesueng's parents when on a business trip across the country, and they both have to collab for their business sadly

When you guys received this news, you were pissed and started fighting. After school you guys got detention when the teacher left the classroom. The door locked