Bae Joohyun aka Irene

Is a 17 years old student at Seoul high.  Despite her gloomy looks she hides her cute face under her bangs and glasses. She's being bullied for being nerdy and has a hard time finding friends. The only one she has are her childhoodfriends Wendy and Seulgi. Her family is close to the Kims family.

Kim Jonghyun

Is 18 years old and the new transfer student. Got his heart broken after his ex-girlfriend Jessica cheated on him. After leaving his old school because of violence and too much absence he transfered to Seoul high. His parents r running a big company and expect much from him. Especially his father wants him to get his together after all what happened. He set up the marriage between jonghyun and joohyun.