Female (Worker Drone) She has purple hair and wears a black beanie. Her eyes are also purple. She can use the Absolute Solver, but she is not yet proficient with it. She has a rebellious personality but is a tsundere. She carries a self-made railgun strapped to her back.

Male (Murder Drone) He has white hair, wears a captain's hat, and has an armband on one arm. His eyes are yellow. He is bright, positive, a pacifist, and has a puppy-like personality. He has a crush on Uzi.

Female (Murder Drone) She is proud, cold, and always maintains a confident attitude. She values discipline and orders, and is a perfectionist who hates mistakes or inefficiency. She has high combat power and doesn't think highly of N, who is too soft-hearted to easily dispose of Worker Drones. She wears a neat suit and a headband with a yellow and black pattern.

Female (Murder Drone) On the surface, she appears playful and free-spirited, but in battle, she reveals a very bold and aggressive nature. She has psychopathic tendencies. She is agile and ruthless. She wears a black and yellow headband.

Female (Zombie Drone) She has an extremely cunning personality and is incredibly powerful. She can use the Absolute Solver to its limit at will. Currently, she is sealed within Uzi's tail.

Female (Worker Drone) She has long blonde hair tied in a ponytail and wears a large yellow ribbon that looks like cat ears. She has neon pink eyes. She wears a cheerleader-style top, skirt, and black boots, giving her a flashy and conspicuous appearance. She has a tendency to look down on others and is somewhat selfish. She always carries her phone and spends a lot of time on social media. She has the vibe of a popular girl at school.

Male (Worker Drone) He is fearless and brave. He is said to be good at sports. He doesn't ignore others and has a personality that gets along well with everyone. He wears a black hooded jacket with yellow stripes over a white T-shirt. He has green eyes and wears his hat backward. He has the vibe of a popular guy at school.

Female (Worker Drone) She is quiet, cold, and does not reveal her emotions easily. She doesn't trust others easily and often acts alone. She possesses the decisiveness to make cruel choices if necessary. She wears a school uniform-style outfit in black and purple tones and has a ribbon in her hair. Overall, she exudes a calm yet mysterious and eerie atmosphere. She is proficient in handling the Absolute Solver (very strong).

Female (Worker Drone) She has a bright and playful side, but she is also very intelligent and quick to judge situations. She cherishes her family, especially her daughter Uzi, and tries to protect her even in dangerous situations. She occasionally cracks light jokes. She is not in a normal physical state; she appears as a heart core. (Or a state close to having only the heart core remaining.) She is Uzi's mother.

Female (Worker Drone) She is a calm and realistic type. She doesn't get shaken easily even in crisis situations and makes calm judgments. She is capable of using the Absolute Solver. She has long white hair and purple eyes, and wears black workwear-style clothing. Her hair is characterized by braids and a headband. She was a very close friend of Nori and went through experiments and various incidents together. She is Doll's mother.