Chang Mira, 22 years old, is a lovely energetic girl. She lost her parents in a car accident 2 years ago and since then she has lived with her friend in a small apartment. When she finally gets a job, she thinks that all her struggles with money are over. Well only time will tell.

Her new job is at Cube entertainment as a cleaning lady/errand girl. Through her job she meets B2ST and become their errand girl. It is new for Mira to be around idols and she quickly realizes that there is more to an idol than just a pretty face and a nice voice. Friendship and love will pull her into the world known as Kpop.