Hakyeon=N:

Leader of VIXX, isn't the strongest but he is a bit annoying, if someone needs help he becomes serious, everyone likes him even the teachers because he is nice and has good grades, he is also the school president

Taekwoon=Leo:

Strongest fighter, doesn't fight as much as the others, doesn't talk much, becomes often worried about the others even if he doesn't show it, has good grades too but he often doesn't come to the lessons, is the captain of the soccer club and the ace, is athletic, his nickname is poker face chic because he doesn't show his feelings and emotions, loves animals and children

Jaehwan=Ken:

Crazy personality, he has normal grades, he only does stupid things during the lessons that's why the teachers don't like him, he can draw really good, can make anyone laugh and sometimes even Leo, many people think that he doesn't take anything serious but sometimes he can be really serious

Wonshik=Ravi:

He is called the bad boy of the school because he only sometimes goes to the lessons, most time he is in school but not in the class rooms but on the roof, not many know his real name but most don't care about it, he is also very athletic

Hongbin:

the best looking of the group, the girls love him, he is really nice to everyone especially to girls, every week he had another girlfriend but since his last he stays single, he doesn't have a nickname, everyone calls him Hongbin, sometimes when Leo doesn't talk much again he needs to be something like a spokesperson because he understands what Leo means even if he doesn't talk

Sanghyuk=Hyuk:

Maknae of the group, he is the cutest even if he doesn't want to be it, if he needs help he asks his hyungs, he is also a good soccer player and also in the school team, if he does anything wrong nobody can be angry with him because he is to cute, sometimes he acts like a grown up, he is the 2nd strongest fighter, when he fights he is really serious and scary

SaeJin:

she is a happy high school girl, lives alone, is always nice to everyone, is also stubborn and hates it if someone teases someone weaker, has many friends but her best friend is Yoora, has long brown hair, brown eyes, hates it if somebody doesn't say what he wants

Yoora:

SaeJins best friend, the 2nd most beautiful girl in school, has long dark hair, a flawless face and a perfect body, likes it when she is in the center of attention

So this are the most important characters