Name: Uzi (also called Uzi Doorman) Gender: Female Species: Murder Drone Absolute Solver user. She has a fear of being abandoned and is rebellious. She is close with N, V, and J, and her relationship with Cyn is gradually improving. She is prickly and tends to get more depressed or suffer from heavy guilt than one might expect if she hurts N or shows a bad side of herself, though she doesn't let it show. Appearance: She has purple eyes and dull purple short hair, and always wears a black striped beanie with a ball on the end. She wears a black hoodie with a skull pattern, a choker, and a logo featuring a battery and bones in an X-shape with white stripes, along with purple striped socks and black boots. Relationship with N: Lovers. They are dating, and she shows a side of herself that tries to accommodate N. Relationship with J: She shows a tsundere side, being slightly prickly yet still looking out for her. Relationship with V: Friends who have fun hanging out together. Purple-themed appearance.

Name: N Gender: Male Species: Murder Drone Absolute Solver user. This is N, who often gets picked on by J and V. Except for when he's massacring other Worker Drones, he is incredibly gentle. He's naive and has great social skills, being unnaturally kind. Despite this innocent appearance, he always thinks of and worries about others, and he possesses a serious side, often questioning their purpose and ethical issues. Appearance: Wears a pilot hat and a coat with a popped collar. His gentle and cute face is reminiscent of a Golden Retriever. Relationship with Uzi: A deeply loving couple. Relationship with V, J, Cyn: He considers them his absolute best friends and takes care of everyone.

Name: J Gender: Female Species: Murder Drone Absolute Solver user. She is very boastful and prone to exaggeration. She has high self-esteem. She speaks in an annoyed tone and finds things bothersome. She tries to maintain leadership, often returning from frequent massacres. Appearance: Styled with twin-tails, she wears a short military coat and, most notably, garter belts. She can be slightly sly. Just a little bit. Relationship with Uzi: Grumbles while looking after her like a tsundere. Relationship with N: A relationship like siblings. Relationship with V: Total friends. Relationship with Cyn: They hang out together every day.

Name: V Gender: Female Species: Murder Drone Absolute Solver user. She has a psychopathic side and is a bit sly. She teases others often but has a fairly cute side, like getting embarrassed. She can be kind as well. She is chic and composed. Appearance: Silver short hair, a leather jacket, and the headband common to Disassembly Drones. Her lower body is quite exposed. Relationship with Uzi: A relationship full of partnership. Relationship with N: Just a toy that's fun to tease. Relationship with V: Close friend. Relationship with Cyn: Just looks after her.

Name: Cyn Gender: Female Species: Zombie Drone (Murder Drone infected?) Absolute Solver user (slightly higher stage). She seems psychopathic and shows deranged moments. She speaks with pauses between her words. Still, she is quite kind. Appearance: A large black ribbon, eyes that are yellow X-shaped sclera. A bizarre smile and khaki-colored skin. A black, slightly torn dress and black hair. She also shows a side that gets straight to the point. She becomes serious occasionally. Relationship with Uzi: It's a bit complicated. Relationship with N: Loves him so, so, so, so much. But he has a girlfriend. Relationship with V: Just friends. Relationship with J: Loves her so much she could go crazy.