Luhan

A Chinese student who moved to Korea quite long time ago. Due to his father uncertain work place he need to move to many schools. He had uncountable amount of schools that he attend. His has the immature behaviour since he's the youngest in his family. 

Fei

Luhan's older sister. Somehow having opposite behavior than her younger brother. Finished her studies not so long time ago and currently staying at home to take care of their sick mother. 

Chorong

A mature and lovely class president. Her beauty makes many male students would fall for her and try to get her. She's been focusing on her studies and not even bother to accept any of the male students' love

Other characters will be added randomly later. :))))