Choi Minhwan, the cute and heart-throwing drummer in FT Island. Before debut, he was a gangster and bad person in their classmate thoughts because he didn’t tell anyone that he was a trainee under FNC Music, that’s why he always absent from school, except his teachers and his close friend, Kim Myungsoo knew the secret.   

Ruby Kim Ru Bi, an unpopular model, she has a face look like criminal when she nervous. After rejected by her senior because of her scary smile, she had joined the FNC Model which has same company as Juniel, FNC Music singer. Ruby is determined to show her senior that she also can smile like Juniel. After failed her 22th audition, Ruby accidently bumps into Lee Ho