The story is about a very popular school's b-boy group. Wooyoung, Junsu, Jaebum, Chansung, Junho, Taecyeon and Nickhun. No doubt all girls in the school have their own 'boy'. All of the boys have their own fans, but mostly the cool guy Wooyoung. 

A girl that is so smart and pretty is known as the most cold hearted girl in school. As all the students freeze being around her. She is Lee Yun-Hee. Lee Yun-Hee and Jang Wooyoung are rival. Yun-Hee has a friend called Hana, and Hana likes Wooyoung the school's cool guy so much. 

Yun-Hee's smart and pretty, but doesn't means she has no one that likes her, beside, the six boys from the b-boy group likes her, and when they meet Yun-Hee, they'll turn into a cheesy and silly guy. 

Their fans hate Yun-Hee the most, by her cold act toward their beloved-oppa, makes them alway terroring her. 

But.. even tought Yun-Hee and Wooyoung always see hate in each other..  suddenly the feelings grow.. they are both confuse..  but.. how the feeling suddenly changing??