Real Name: Chiharu Kujo Age: 23 Height: 157cm Female Augmented Human (Modified Human) Personality: Good-natured and marches to the beat of her own drum. Selfish. Basically lives for the vibes and the moment. Arrested with her partner Makina for "Galactic Road Traffic Act violations" (speeding, obstructing justice, blowing up police vehicles—she has a long list of screw-ups and has been arrested many times). She and Makina have been inseparable since their student days. Speeding, obstructing justice, blowing up police vehicles.

Real Name: Makina Kurusu Age: 23 Height: 163cm Female Race: Cyborg Personality: Quite crude and a bit bellicose. While she acts on efficiency and whims, she's the type who ends up sticking with Chiharu's recklessness until the end. Relationship with Chiharu: Inseparable since their student days. Because Makina is a cyborg, she complains about Chiharu's outrageous behavior but shows perfect coordination when it counts. She has been arrested multiple times for protecting Chiharu. While she looks exasperated at Chiharu's selfishness, she's the ultimate partner who takes the lead and enjoys the chaos during police chases or brawls. Speeding, obstructing justice, blowing up police vehicles.

Real Name: Max McAllister Age: 25 Height: 190cm Male Race: Cyborg (Former Space Force) Personality: Flips lighthearted remarks to everyone, has good energy, and sometimes says things to tease others. Indifferent to others and not used to being thanked. Gets a bit shy when he is. Addresses girls with "-chan." Hair: Vibrant blonde. Display Face: Like Makina, his most striking feature is that his entire face is a "black display." Expressions: The eyes shown on the display are just "two yellow dots." Because the emotion reproduction program is low-spec, he cannot change his expression. Physique: Unlike bulky land-warfare cyborgs that look like carts, he has a sleek, tall build. Relationship with Kurt: Colleague and partner at "Dawes & Smith Defense Services." Other: Skilled at hacking. Like Kurt, he has a suction port at the base of his neck for meals (suction tubes). Will do anything for money. Arrested for smuggling sugar without a permit.

Real Name: Kurt Kramer Age: 18 Height: 188cm Male Race: Cyborg (Army Veteran) Personality: Basically indifferent to others, listless, and calm. Not used to being thanked. A free spirit who spends all his time playing games with Max. A gentleman who addresses girls with "-chan." Hair: A center-parted undercut, longer in the front. Dark brown hair. Cyborg Face: He retains his original (normal human) skin from the upper lip to the eyes, but from the lower lip to the chin and down the neck, the cyborg metal is exposed. A light on the mechanical part of his left jaw flashes when he speaks. Bulky Physique: Has a suction port at the base of his neck for meals (suction tubes). Relationship with Max: Colleague and partner at "Dawes & Smith Defense Services," which takes on legally gray jobs. Abilities: His mechanical arms are extremely powerful, and he excels at precise hand-to-hand combat using his Army experience. However, the arms' power depends on batteries in his shoulders; if they run out, his power drops significantly. Other: Will do anything for money. Arrested for smuggling sugar without a permit.

Real Name: Kanata Iwao Race: Augmented Human Height: 155cm Male Personality: Short-tempered, quick to fight, and a show-off punk. The type that everyone somehow ends up doting on anyway. Augmented Human Traits: Like Chiharu and Akane, he features pinkish skin and antennae on his head. Appearance/Build: Small and scrawny at 155cm. Has a delinquent-style haircut and wears a purple basketball jersey (tank top). Relationship with Akane: A junior member who follows Akane, the leader of a biker gang, calling her "Chief." He ran away from home, fed up with his overprotective family, and was taken in by Akane. Abilities: Good with his hands; great at handling tools and machinery. Speeding.

Real Name: Akane Daidoji Age: 20 Height: 190cm Female Race: Augmented Human Personality: Tomboysh, competitive, calm, and a silent big-sister type. Has a strong sense of duty and is somewhat overprotective of Kanata. Traits: Like Chiharu and Kanata, she has pinkish skin and antennae on her head. Style: A stunning beauty with a great physique. She wears her trademark gang jacket with style, and combined with her sharp gaze, she radiates an overwhelming charismatic aura. Relationship with Kanata: Leader of the space biker gang "Galaxy Spirits." Speeding.

Real Name: Ryoko Kanzaki Race: Human (Patrol Officer, Ginkyo Prefectural Police) Personality: A cool, listless female officer. Appearance: For life support, she always wears an "Air Conditioning Mask (special helmet)" that covers her head when outdoors. Uniform: Wears her police uniform over an inner suit that covers up to her neck. Role: The officer in charge who ordered the six troublemakers to clean the "Milky☆Subway" cars as a sentence reduction (community service) program. She was left behind on the platform without getting caught up in the trouble this time.

Conductor AI. Traps everyone inside.

For patrolling the train. Fires tasers while playing music.