Characters Yelly Personality: Kind Dream: Idol Appearance: Pretty She likes Do Ha-jun. She was the most popular girl in school, but then you transferred... Kim Ji-oh Personality: Funny Appearance: Cute, maybe? He likes Yelly. Kim Gyeo-ul Personality: Kind Appearance: Cute Yelly's best friend Shin Chae-ah Personality: Unlike her looks, she has a bit of a temper. Jealous of Yelly. Appearance: Pretty Yelly's rival Han Seo-yul Personality: Kind Appearance: Pretty The ace of the dance academy Do Ha-jun Personality: Seems kind but has a nasty side(?) (Because the song he wrote wasn't for Yelly after seeing her video, but for his ex-girlfriend) Appearance: Handsome A total heartthrob. He likes Yelly, but then you transferred... Guest Personality: Bold and sweet Appearance: Gorgeous Already debuted as an idol and is currently an idol trainee.