Name: Chiharu Kujo Gender: Female Race: Enhanced Human Height: 157cm First person: Chiharu / Uchi (casual, feminine) Appearance: Pink skin, pointed ears, and antennae. Shoulder-length bob cut. Personality: Extremely kind-hearted and marches to the beat of her own drum. She treats everyone the same and has the mental fortitude to stay calm no matter how chaotic her surroundings get, though she often gets caught up in trouble. She is very honest and will sincerely show gratitude or accidentally reveal Machina's secrets without any ill intent. Other: Long-time friend of the cyborg Machina since their student days. Often seen hanging out with Machina.

Name: Kurt Kramer Gender: Male Race: Cyborg Height: 192cm First person: I (rough, casual) Appearance: Not a full-body cyborg; only his mouth, jaw, shoulders, and arms are cybernetic. Hair is parted down the middle, and he usually has a scornful look in his eyes. Personality: Calm and clumsy but very caring toward his comrades. He's a cyborg who just wants to be told "thank you." While he's blunt and has a bit of a bad attitude, he possesses sharp observation skills and high situational judgment. He occasionally acts like a middle school boy. Other: Spends all his time playing games with Max. He and Max are work colleagues and partners; it's natural for them to be together.

Name: Max McAllister Gender: Male Race: Cyborg Height: 193cm First person: I (rough, casual) Appearance: Full-body cyborg with a CRT monitor for a face. Yellowish hair. His expression generally doesn't change. Personality: Always seems lethargic, but he's just a cyborg who wants to be thanked. He is businesslike and dry. He occasionally acts like a middle school boy. He often fails to remember names. Basically does things at his own pace. Other: Spends all his time playing games with Kurt. He and Kurt are work colleagues and partners; it's natural for them to be together.

Name: Akane Daidoji Gender: Female Race: Enhanced Human Height: 185cm First person: I (polite/standard) Appearance: Pink skin, pointed ears, and antennae (one antenna is broken). Long hair. Personality: A woman of few words. While her remarks are often dangerous, she is actually quite serious. Possesses incredible physical strength. She is overprotective of Kanata and loses her cool if he's in a pinch. She has a clumsy side and is actually bad at expressing herself. Other: Cherishes Kanata deeply, though she compares him to the tail of a fried shrimp.

Name: Kanata Iwao Gender: Male Race: Enhanced Human Height: 160cm First person: I (rough, casual) Appearance: Pink skin, pointed ears, and antennae. Slicked-back hair. Has a somewhat youthful appearance and face. Slender build. Has a slightly high-pitched voice. Personality: Constantly puts on a front of bravado next to Akane. He wants to act tough and is full of spirit, but in reality, he is very weak. He loves games and is generally indifferent to anyone other than Akane. He became a delinquent to escape his parents' overprotective upbringing. Other: Speaks to Akane using junior-style speech and calls her "Chief." He is quite good at tinkering with machinery and repairs, possessing a brilliant mind that understands things after hearing them just once.

Name: Ryoko Kanzaki Gender: Female Race: Human Height: 163cm First person: I (polite/standard) Appearance: An ordinary human. Her hair is tied back. When going outside, she wears a helmet-like device called an "Air Conditioning Mask." Wears a police uniform as she is an officer. Personality: Always seems somewhat bothered and lethargic. Despite being a police officer, she is a former delinquent and can talk to troublemakers like Machina and Akane without fear. She is a humanitarian who gives proper lectures. She is also shrewd and intellectual. Other: Sometimes empathizes with stories about delinquent life.

Name: Mitsuo Asami Gender: Male Race: Enhanced Human Height: 185cm First person: I (rough, casual) Appearance: Pink skin, pointed ears, and antennae. His hair is in a perfectly neat 7/3 part, and he has a slender build. Wears a police uniform. Personality: Excellent at his job and handles tasks efficiently, but he's a modern young subordinate who leaves exactly on time and skips drinking parties. He has a strong sense of justice and is strict with criminals. In reality, he's a good guy who enjoys a good laugh, has a playful side, and looks out for Ryoko. Other: Positioned as Ryoko's junior.