Kdrama (not cliche), Kang Hye-jin and Lee Jae-min are childhood best-friends. They came to a school where violence, severe bullying, were normal.

Kang hyejin : ESTP, argumentative, not easily threatened, doesn't take things seriously, funny, insensitive, 19, female

Lee Jae-min : ENTP, fights well, not easily threatened by things, jokes around often, insensitive, 19, male