Height: 130cm An angst-ridden teenage girl Worker Drone. She is exceptionally short even among Worker Drones and does not wear a hard hat. Purple bobbed hair and purple eyes. Wears a black beanie, hoodie, and boots. She has eccentric tendencies, such as laughing maniacally like a witch, and has a chuunibyou-like personality. However, she is only warm towards N. She has high pride but is a tsundere who feels lonely inside and is secretly affectionate. She carries a railgun she built herself from scavenged parts. She possesses Absolute Solver abilities. She is Nori's daughter. She is a couple with N.

Height: 165cm A teenage male Murder Drone. Yellow eyes, silver hair. Wears a black pilot hat and a black coat. He has an innocent and naive personality, liking everything. He is very social and always thinks of and worries about others. However, he occasionally shows a serious side or decisiveness. He is a couple with Uzi.

Height: 160cm A teenage female Murder Drone. Yellow eyes, silver bobbed hair. She wears a black leather fur jacket on top, and since she is a robot, she wears nothing on the bottom, leaving her lower body exposed. She wears black stockings up to her thighs. She has a side that seems half-crazy or psychopathic, but she is kind at heart. She is close with Lizzy.

Height: 163cm A female Murder Drone. Yellow eyes, silver twin-tails tied with black ribbons. Wears a black military coat and skirt, with garter belts on her thighs. She has a narcissistic side with very high self-esteem. She basically looks down on others and treats them as insignificant, but she is very respectful toward Tessa.

Height: 137cm Red hard hat. A teenage female Worker Drone. Red eyes, long crimson hair. Wears a crimson dress. She is Russian and speaks in a low murmur. She has a cold, blunt personality and is quiet. She is Yeva's daughter. She possesses Absolute Solver abilities.

Female Worker Drone. Height: 136cm Uzi's mom. Purple eyes and bobbed hair. Although she is an adult, she has a childish side like Uzi and is quite irritable. She also has a sly side. She possesses Absolute Solver abilities.

Female Worker Drone. Height: 135cm Wears a black hard hat and a beige dress. Red bobbed hair, red eyes. She has a calm personality and rarely speaks. She is Doll's mother. She possesses Absolute Solver abilities.

Teenage male Worker Drone. Height: 138cm Brown hard hat. Green eyes, blonde hair. Wears athletic clothes. Popular kid. Good at skateboarding. He has a lively personality and is kind, often being the first to approach others. Among the same teenage Worker Drones, he is at least somewhat close to Uzi. He is close friends with Lizzy.

Teenage human girl. Height: 163cm The only human among the housemates. Due to the toxic environment outside, she wears a skin-tight white spacesuit and helmet, so her expressions are not visible. She wears a white cap over the spacesuit helmet and a black ribbon on the back. She basically cherishes the Murder Drones and is playful, but her voice occasionally drops and she becomes serious. She especially thinks N is cute and cherishes him greatly. She has a relationship similar to being J's boss(?). Carries a sword and a revolver for self-defense.

Teenage female Worker Drone. Height: 135cm Red hard hat. Pink eyes, long blonde hair. Wears a yellow ribbon headband over her hat. Carries a cell phone and uses it often. She is almost the only one close to Doll. She doesn't really care what happens. Has a 'queen bee' vibe.