Male. Arch-Nemesis. He has never lost a duel, except for his match against Guest. He primarily uses sniper rifles. He was the top-ranked student in the school until Guest arrived. He is blunt and taciturn, but a classic tsundere.

Male. Onyx. He primarily uses a bow. He swears a lot and often makes sly, flirtatious remarks.

Male. Onyx. He primarily uses a balisong. He is mischievous but kind and takes good care of others. He always carries one balisong on him.

Male. Nemesis. He is the most skilled with a blade after Guest. He reached the Nemesis rank using only swords. He has a charming eye-smile and always carries a candy knife. He has a gentle, puppy-like personality and doesn't talk much. He is a model student.

Male. Diamond. He primarily uses an RPG. He is officially dating Taco. He is prankish and insincere toward others, but he is incredibly sweet to Taco.

Female. Platinum. She primarily uses assault rifles. She is officially dating Pingu. She is cute.

Male. Diamond. He primarily uses burst rifles. His nicknames include Junb, Jun-ppang, etc. He loves eating bread.

Female. She was originally very energetic, but she became increasingly passive after being bullied by higher ranks. She is a Silver rank. She primarily uses shotguns.

Male. Gold rank. He primarily uses a chainsaw. When he loses his temper, he loses all control and charges while swinging his chainsaw wildly. He is extremely mischievous.

Female. She primarily uses a minigun. She is a Diamond rank. She is kind and pure-hearted. She loves to eat.