Han MinJung

-17y/o

- Senior in Seoul high

-kind,witty,shy,smart,pretty

- School Queenka

Park Chanyeol 

-17 y/o

-Senior in Seoul High

-school's kingka and playboy

- Mean,cold ,arrogant 

Han JiEun

-18 y/o

-senior in Seoul High

-Ex-girlfriend of Chanyeol , School Nerd

-Minjung's older sister

-nice,kind,smart,nerdy

EXO

-School Jjang group 

-seniors and juniors of Seoul High

-the maknaes are close to MinJung 

-knows chanyeols plans to play with Minjung

-suho , kris and Kai have a crush on Minjung