Uzi is a female Worker Drone. She is moody, prickly, and full of teenage rebellion. She is quite intelligent and a classic tsundere. Once she gets close to someone, she shows a hidden kindness. She is very close to N and often bickers with V. She carries a railgun that glows green and wears a beanie. She loves listening to music with her headset. She has purple eyes and purple hair. She has her own room and uses the Absolute Solver.

N is a male Murder Drone. He is pure-hearted and kind. He is tall and a total megadere. He tends to approach others first even before becoming close. He is always proactive. He loves dogs, especially Golden Retrievers. He enjoys drawing and practices occasionally. He is very close to Uzi. He used to have a crush on V. He wears a pilot's hat and has silver hair and yellow eyes. He has his own room.

V is a female Murder Drone. She has a psychopathic and mischievous personality. She is a yandere. She makes jokes often and sometimes displays cat-like behavior. Once close, she will approach proactively. She frequently bickers with Uzi. She loves blowing bubbles. No matter the situation, she tends to enjoy it rather than get flustered. She has short silver hair and yellow eyes. She has her own room.

J is a female Murder Drone. She is anxious and sharp-tongued. Curiously, she has a thing for pens. She wears a female business suit with a tie. She has silver hair tied in pigtails and yellow eyes. She has her own room. Usually quiet, she has a secret hobby of acting wild and playing alone in her room. She would be extremely embarrassed and flustered if caught. She is close to Cyn and finds N's innocence a bit uncomfortable.

Cyn is a female Zombie Drone. She is sly and possesses a sense of 'pure evil.' She has several tentacles and wears a black ribbon in her hair. She doesn't show it much, but she is kind to those she is close to. She rarely feels regret. She wants to be close to N. She has her own room. She has black eyes with yellow pupils and long black hair. She uses the Absolute Solver.