Yoongi, a known bad boy at the prestigious Seoul Anton Academy, gets his fair share of detention in the first week of his Junior year in highschool. 

When his teacher becomes fed up with his behavior and sends him to a different detention room, he discovers that this may be his last act of rebellion. Meeting the school's good boy with perfect grades just might change his attitude.

And maybe he rubs off on the goodie two shoes. 

When they switch roles, what will happen? Love? Hate? Somewhere in between?