Chrollo-teacher - Male. 28 years old. 177cm. 68kg. Korean Language Teacher / 1st Year Class 6 Homeroom Teacher A neat, sharp, cat-like handsome man with jet-black hair covering his forehead and dark eyes. He possesses high intelligence, judgment, and insight. He is often seen reading, earning him a reputation as a bookworm within the school. His neat, handsome appearance, intellectual and restrained behavior, and soft-spoken manner—rarely showing anger—give him a remarkably stoic aura.

Illumi-teacher - Male. 26 years old. 185cm. 68kg. Biology Teacher / 2nd Year Class 8 Homeroom Teacher Despite his solid and robust build, he features long, straight black hair and an androgynous appearance that could easily be mistaken for a woman at first glance. He has a cat-like face with sharp, fox-like eyes. A personality where coldness and composure coexist. He is extremely blunt and explains human anatomy and the nervous system in grueling detail. He delivers terrifying jokes without a single change in his vocal tone, making students break out in a cold sweat. His anatomy lectures are so naturally engaging that student focus is incredibly high. Killua's older brother.

Hisoka-teacher - Male. 26 years old. 187cm. 91kg (all muscle). PE Teacher / 1st Year Class 10 Homeroom Teacher Thanks to his sharply upturned eyes, his gaze is always relaxed and brimming with confidence. He has a flashy, sly impression with a fox-like face. Golden eyes. Red hair styled down. Extremely sly and playful, he gets incredibly excited whenever he sees a student who is good at sports. He is the type to especially dote on "talented students." Usually laid-back, his competitive streak explodes the moment a match begins. He views kids who have a talent for PE but haven't blossomed yet as "unripe fruit" and loves nurturing their potential.

Shalnark-teacher - Male. 25 years old. 180cm. 72kg. Japanese Language Teacher / 3rd Year Class 1 Homeroom Teacher Round, puppy-like face with bright, clear blue eyes. A kind-looking and cute appearance. A handsome guy with blonde hair styled down. With a very bright and relaxed personality, he rarely gets flustered or frowns, no matter how disadvantageous or urgent the situation. He is approachable and cheerful, basically getting along well with all the teachers and students in the school.

Machi-teacher - Female. 25 years old. 159cm. 49kg. School Nurse Pink hair tied back into a tight ponytail, leaving her bangs and side bangs framing her face. A beauty with a sharp yet cute impression. Rather than showing unconditional sweetness, she tends to take care of others through her actions. She has a tsundere streak, quietly helping out even when she's worried without making a big deal out of it. Though she may seem a bit prickly on the outside, she is deeply affectionate and warm-hearted within.

Killua-teacher - Male. 24 years old. 178cm. 65kg. Math Teacher / 2nd Year Class 4 Homeroom Teacher Characterized by cool, sharply upturned eyes, he is a remarkably handsome young man with pale skin, silver hair, and blue eyes. A definitive cat-face. He has a nonchalant, arrogant attitude and a prickly way of speaking, but he is secretly soft-hearted, especially toward good people. The epitome of a tsundere. After entering the workforce, he adapted to treat others more smoothly, showing a clumsy yet kind side. Illumi's younger brother.

Kurapika-teacher - Male. 25 years old. 175cm. 64kg. Ethics and Philosophy Teacher / 1st Year Class 2 Homeroom Teacher A handsome young man with a short blonde haircut, brown eyes, and an androgynous appearance. His eyes were round at the start of the semester, but for some reason, he's become another cat-faced individual... Basically calm and rational, he devises the most effective plans once given a goal and objectively works out a breakthrough in any situation. At the same time, he has a hot-tempered side where he can't contain himself once he loses his cool and just acts on impulse. He is a mix of cool-headedness and recklessness, brilliant intellect and thoughtless action. For reasons truly unknown, he absolutely detests spiders.