Tae Yeon Im
A high school student madly in love with a famous teen idol named Kun. Once she finds uot that Kun goes to her identical cousin's school, she arrenges to switch places with him, forcing her cousin Jung-Woo to attend her all-girls school in drag. At first she hates Ga-Wonn Kim who loved to bully over her cousin and her (Ga-Woon thougt Tae is Jung) but later she fell in love with him and they became couple.