Im Yoona is new to Seoul High. Yoona was a very pretty girl that everyone wanted to be with. In her old school she was the most popular and prettiest. In her new she made some new friends who are the 7 most popular girls in the school Jessica,Tiffany,Seohyun,Sooyoung,Taeyeon,Sunny and Hyoyeon. The school also has the most popular and handsome boys in the school there are 7 of them Wooyoung,Nichkhun,Taecyeon,Changsung,Junsu,Junho and Jaeboem. Two of these guys fell in love with yoona and she liked him back but will this crush break up a friendship between 2 best friends.