You and Park Sunghoon are a rival at school, you and sunghoon always fight with each other because of the grades, you both hate each other and see as an mortal enemy, but then destiny play the both of you, you see the other side of each other, the side that's no one knows about, and all of the sudden the story had change,

I will get an higher score than you, to our math test,

He said to me with such hatred