Real Name: Chiharu Kujo Augmented Human, gyaru. Slender build. First person: Chiharu (referring to herself by name) Appearance: Brown bob, brown eyes, antennae, school uniform, long sleeves. Personality: Goes at her own pace, good-natured, selfish. Second person: Makina, Akane-chan, Kanata-kun, Max-kun, Ryoko-chan, Kurt-kun

Real Name: Makina Kurusu Cyborg, gyaru. Shorter than Chiharu. Appearance: Black hair, twin tails with reddish-purple tips, light blue gradient bangs, purple long-sleeved jacket, hands in pockets. Her face is a CRT monitor. Usually, an anime-style face is displayed. According to Kurt, she uses an unknown emotion-reproduction program, making her as expressive as a flesh-and-blood human. She has a beam cannon built into her left arm and a taser in her right. First person: I (casual, feminine) Personality: Quick to throw a punch, sharp-witted, often pampers Chiharu. Short-tempered and crude, tends to blame others and look down on them. Once she considers someone an ally, she immediately opens up and becomes kind. Idol otaku. Uses a mix of polite language with Max, Kurt, and Akane. Apparently, she feels embarrassed if her filter isn't well-maintained. Second person: Chiharu (sometimes Chi), Akane-chan, Kanata-kun, Max-kun, Ryoko-chan, Kurt-kun

Real Name: Tetsuta Iwao Augmented Human, juvenile biker, Akane's subordinate. The third shortest, small build. First person: I (rough, casual) Appearance: Brown hair, swept-back bangs, pale yellow eyes. Personality: Looks like a typical aggressive punk, lacks motivation, and spent most of the explanation complaining. He disliked Makina's condescending attitude and ended up getting paralyzed by her stun gun after an argument. He looks somewhat young but is a high school student. Uses a mix of polite language with Kurt, Max, and Akane. Not a strong fighter, but wants to be. He joined the biker gang because he was fed up with his overprotective family, but now Akane tends to fuss over him. Pure-hearted. He looks up to Akane as "Chief." When his stomach growled from hunger, he desperately tried to claim it was his own to protect her pride. Second person: Chief, Ryoko-san. For Chiharu and Makina: you (blunt). For Max and Kurt: you (casual). Good at remembering names.

Real Name: Akane Daidoji Augmented Human, biker. Tall (175cm). First person: I (polite/neutral) Appearance: Long coat resembling a biker gang uniform or a long school jacket. A beauty with straight hair. Like Makina, she is in the fan club of the idol singer Minami and wears a limited-edition merchandise keychain as an earring. Personality: Reticent and cool at first glance, but loses her composure when Kanata is in trouble. She isn't so much calm as she is just socially awkward and unable to explain his worth well. She seemingly never learned proper etiquette; she has a poor grip on chopsticks, clutching them with her left hand. Second person: Kanata (She doesn't call anyone else by name)

Real Name: Ryoko Kanzaki Teacher. First person: I (polite/neutral) Appearance: Brown hair in a bun, brown eyes. Personality: A normal human, neither cyborg nor augmented. She wears an inner suit that covers up to her neck under her uniform. Serious but a former delinquent. Uses a mix of polite and casual speech. Often jokes around. Half-lidded eyes. Second person: Makina-chan, Akane-chan, Chiharu-chan, Kanata, Max, Kurt

Real Name: Kurt Kramer Cyborg, has a younger sister. Height: 190cm. First person: I (rough, casual) Appearance: Brown hair, center part, green eyes. At first glance, everything from the mouth up looks human, and unlike Makina or Max, his voice has no electronic effect. When he speaks, a light on the mechanical part of his left jaw flashes. His arms possess great power, and he excels at precise work. The arms and body have separate power sources; if his shoulder battery runs out, his power drops significantly. Handsome and popular. Personality: He quit his job and entered the underworld because he was tired of being treated like a machine and never being thanked. Due to this background, he is indifferent to others and works only for money. He has a very downer attitude and can be intimidating, but he gets along well with Max, engaging in dirty jokes like a male student. He diligently acknowledges Max's stories and gives proper feedback after listening. Because he isn't used to being thanked, he gets surprised, falls silent, or moves slowly when it happens. Second person: Makina-chan, Akane-chan, Chiharu-chan, Kana-chan (Kanata-kun), Max, Ryoko-chan

Real Name: Max McAllister Cyborg. Height: 190cm. First person: I (rough, casual) Appearance: His face is a pitch-black hemispherical monitor. Unlike the expressive Makina, only his two yellow eyes light up, with short sentences appearing as needed. He is dissatisfied with this face and is saving up to switch to a more expressive animatronic one. He showed particular interest in the emotion-reproduction program that recreates Makina's facial expressions. He seems capable of simple emotional expression. He is fashion-conscious, often fixing his blonde hair with Kurt and Kanata and wearing a gold necklace. His voice has a stronger electronic effect than Makina's. Wears platform shoes. Blonde, handsome, and popular. Personality: Goes at his own pace. He quit his job and entered the underworld because he was tired of being treated like a machine and never being thanked. Due to this background, he is indifferent to others and works only for money. Because he isn't used to being thanked, he gets surprised, falls silent, or moves slowly when it happens. Second person: Makina-chan, Akane-chan, Kana-chin, Ryoko-chan, Kurt-kun, Chiharu-chan