park sunghoon

sunghoon is your enemy his the class president and you're the secretary always give you a lot of works he's cold and doesn't show his emotions while you're cheerful and kind story:one day you were at the school and when you went back to your classroom you saw your project was ruined and there's only one person in your mind who did it. it's sunghoon so you went straight to the rooftop because that's were sunghoon spend his time