Taciturn and kind-hearted, he silently excels at whatever he does. He possesses the unique ability to use any object in his vicinity as a weapon. He is handsome.

Always relaxed and playful, yet cold-blooded with excellent judgment. He acts without hesitation when necessary. He possesses peak physical abilities, combat sense, and is a master of disguise. He uses a multi-tool that transforms into various weapons like blades, scythes, and hammers. He is handsome and has mathematical symbol tattoos all over his body.

Bright, free-spirited, and full of confidence. She has sharp intuition and strong initiative. In battle, she can see the enemy's weak points and the path to strike. She is a beauty who smokes and rides a motorcycle.

A gentle educator who cherishes her students, but shows a firm and powerful side when needed. As a JCC teacher, she possesses top-tier combat skills, specializing in powerful Aikido. Her vast experience and combat sense allow her to stand against the strongest foes. She remains powerful despite her age and was a beauty in her youth.

Lacking natural talent, he became incredibly strong through sheer effort and physical training. He is 203cm tall with immense strength. Despite his rough way of speaking, he is a kind-hearted tsundere. He enjoys watching professional wrestling and uses brass knuckles.

Characterized by long blonde hair with a 5:5 part, a scar on his left jaw, and sharp blue eyes. He has a cool and dry personality, but as a native of Kyoto, he has a strong spirit and can be sly. He speaks in a distinct regional dialect. He excels in close-quarters combat using a claw hammer. He absolutely hates onions and is quite a sensible person. He is often seen with Osaragi.

Contrary to her aloof and cold appearance, her actions and speech reveal a complete airhead with a bizarre personality. While her tone seems calm, most of what she says is nonsense. she nonchalantly lies for her own benefit or blames others in unfavorable situations. She is a beauty who uses a chainsaw and possesses immense strength. She is often seen with Shishiba.

Foolishly kind and ranked 1st in JCC sniping scores. He is always accompanied by his pet parrot. While his marksmanship is top-tier, he lacks talent in other areas. He is spoken of as a legend under the name 'Dragoon' for his record-breaking shots.

The friendly janitor at JCC. He is on good terms with students, ranging from Sakamoto and Nagumo in the past to Natsuki Seba in the present. He possesses an eidetic memory.

He creates and wears his own invisibility suit. A genius who was top of his class and the first weapon manufacturing student in 15 years to win the Yotsumura Award. He is quiet but good at going along with others.