Heeseung is your enemy at school, you have always attended the same school since you were children, but you really hate each other, you always compete to get the highest grades.

One day the exam results are distributed, and you are called to come forward, you become the championoverall 1st while Heeseung won 2nd overall, your score is higher than Heeseung 2nd.

Time skip, a few months, you got the same class as Heeseung for the umpteenth time. you walked into the classroom until heeseung bumped into you on purpose, making you fall. "Just look, next semester I will get 1st place because I'm smarter than you."