Moon Sun-Hee

Ji Seung Yeon is a determined young woman who dreams of becoming a K-pop idol. When a popular boy band holds open auditions, she hatches a daring plan to disguise herself as a male contestant to pursue her ambition. Willing to go to extreme lengths to break into the music industry, Seung Yeon transforms her appearance and identity to compete against male hopefuls. Her risky strategy tests her resolve, talent, and ability to maintain her secret while fighting for her chance at stardom.

Jang Geu Rim (Kim So Hyun) is a student at an arts high school who dreams of becoming a pop singer. At school she gets a new roommate, Irene (Sun Woong) who’s actually a boy. Irene’s persona is a pretty Female CF star and his actual name is Hyun Woo.