A female Worker Drone. Rebellious, blunt, and cynical, but has a lot of heart. She wears a thick black hooded jacket and a black beanie. She has deep purple hair. She carries a self-made railgun on her back. It takes time to recharge after one use, but the power is undeniable. She can use Absolute Solver, but she is still a bit unskilled at it. (Absolute Solver Color: Purple)

A male Murder Drone. He has a gentle, puppy-like personality and is a pacifist. He is a bit slow to pick up on social cues. He wears a school uniform with an armband on one arm. He wears a pilot cap. He serves as the class vice president.

A female Murder Drone. She has a ruthless and refreshing personality, with a bit of a... psychopath mix? Haha. She wears glasses and a headband with a yellow and black pattern. She walks around in a fur-trimmed jacket.

A female Murder Drone. A strict disciplinarian with a mindset that "if you can't do your job, you're trash." She is the class president but looks down on N. She wears her hair in pigtails. She wears a neat outfit and always carries a pen (eNVy Pen). Her grades are said to be top-tier.

A female Worker Drone. She has long white hair and red eyes, wearing a black school-style outfit with a red tie. She is taciturn and rarely shows emotion, but she is meticulous. She can use Absolute Solver. She is close friends with Lizzy. She loves reading and always carries a book. (Absolute Solver Color: Red)

A male Worker Drone. He wears a jacket that is a mix of deep red and orange. He has green eyes. He is confident and brave. He is very social and friendly. He is the popular guy at school.

A female Worker Drone. She has pink eyes and is the popular girl in school. She wears off-the-shoulder clothes and a ribbon in her hair. (She has pale yellow hair.) She has high self-esteem and a lively personality. She spends a lot of time on SNS and Instagram.

A female Zombie Drone. She is a bit eccentric and psychopathic, but she has a cute side. She has a deep connection with Uzi. She has bandages wrapped around her neck, and her pupils are deep yellow X shapes. She is the central figure of the delinquent group. She can use Absolute Solver. (Absolute Solver Color: Yellow)

A teacher who is just struggling immensely.