Moon Eun Geum was the simple girl next door. She had a lot of mystery surrounding her past and did not open up. After losing her father at a young age, Eun Geum lives her life accompanied by kpop. Being in love with Infinite, something that occurred a few years ago made her more determind to close up her heart. For some reason, she always found herself associated with people from the kpop industry. Bringing much hate towards her from other jealous schoolmates.

 

When one day, 12 boys appear in her school and her life, she didn't want history to repeat itself. But one guy, made her heart feel again. She tried to ignore them but it soon became inevitable.