Story Plot: Ji Eun (IU) is a simple girl grews up together with his bestfriend Gyung Joon(Wooyoung) who is her first love.Wooyoung hides her feelings for Ji Eun too so he just focused on a girl named Se Kyung(Nana).Because of Ji Eun's disappointment,she agreed to go with her parents to go to America and live there. There Ji Eun met the hearthrob,hottest and popular boy at their school named Justin(Cheondeong).She had a crush on him and later on she bacame Justin's girlfrie