Naeun: Strong,smart,hardworking,brave ,cold to people she does not know,best at fighting,have no parents, no emotion,does not trust many people, wants to find out the killers of her parents ,hungry for revenge...

Myungsoo: In a group called infinite, brother of chanyeol,son of the owner of km company, a.k.a as the ice prince, smart, also no emotion, fierce, handsome, many girl like him, great at hacking

Chanyeol: The son of the owner of km company, rich, tall, smart, talented, playboy handsome, vice president of km company, former childhood friend of naeun

Apink: naeun's friends consist of six members (without naeun) sweet,friendly to the people they know, have great fight skills

Infinite: myungsoo's friends, handsome, fierce, feared, many girl's want them to be their boyfriend

B.A.P: strong, feared gang, naeun's frenemies

Lee sooman: mystery character...

Boyfriend: agent of lee sooman, fierce gang

Exo - friends of chanyeol (cameo only)