Being known as a 'Young Master' of Cube High, Yang Yoseob endure himself being popular. Knowing he haven't been taken yet make the girls drowning for him. Well, who wouldn't want a rich, handsome, cute, kind, or should I say a perfect guy to be the one beside us. But being perfect in outside, not mean perfect in inside right?  Different from Yong Junhyung

because of that promise......i can't be myself because of that promise.....i have to hide my talent because of that promise......they called me 'USELESS'