Everyone wants an older brother with hot friends-- and new senior at Seoul Arts Academy Hyemin Park is lucky enough to be in that situation. Her 22 year old brother, a lady-killer himself, is best friends with cute diva Kibum (AKA Key), manly, rough Bang Yongguk, and charming, badboy Yong Junhyung. When Hyemin starts school she instantly befriends a talented, intelligent boy who goes by the name of L, and his friends. Hyemin's excited to start school here...she's an excellant dancer and rap