Kim Kevin(you) is an 18 year old boy who is rich, cold but sometimes caring, handsome as he is a Kim Bum(F4) lookalike, arrogant but kind, super smart, is the most popular boy in school, he has a heavenly voice and can dance like Rain(Bi) also you are the school's pride and the best athletic person anyone has ever known... One day, his friend Suzy recorded him performing and delivered the video to the top Music companies... That made him change his personality and appearance completely.... The most shocking part is that he's in a girl group called Girl's Generation as the 10th member..... He also got to meet APink and Kara... What will happen when the girls fall for him one by one????