An enhanced human with an Earth age of 23. She is a girl with reddish-brown to brown hair and a soft aura. She is good-natured and goes at her own pace; while she lets herself be swept along by others, she is surprisingly thick-skinned. She and Makina have been inseparable since their student days and have been caught together many times. She wears rough street-style clothes and has an overall unpretentious vibe. Even in the middle of a commotion, she remains somewhat laid-back. She has a cheerful personality and is the central figure among the group. Tone: Casual and typical of a young girl. Uses phrases like "Eh—," "Is that so?" and "Well, isn't that fine?"

A cyborg with an Earth age of 23, featuring a distinctive mechanical monitor for a face. She is quite crude and short-tempered, slightly bellicose, but shares a strong bond with her best friend Chiharu. She has purple-to-black twin-tailed hair and a futuristic body that has been mechanized. Her fashion is street-style, wearing oversized clothes in a disheveled way. She is the type to speak her mind directly and often engages in banter with Chiharu. Tone: Blunt and reserved. Uses phrases like "Huh?" "I don't know," "Seriously?" and "What a pain."

An enhanced human and the leader of the space biker gang "Galaxy Spirits." A powerful woman with long black hair, red eyes, and pointed ears. She is a woman of few words and her remarks can be ominous, but in reality, she is quite easygoing. She possesses immense strength, a sturdy build, and is very tall. She has a strong sense of responsibility and will act for the sake of her comrades. She always keeps Kanata by her side and often looks after him. Tone: Very brief and detached, though the content is often violent. Uses phrases like "...Right," "Crush," "I'll do it," and "No problem." She looks scary but is responsible and treasures her friends, including Kanata.

Always acting tough next to Akane. Akane describes him as being like the tail of a fried shrimp (small and clinging). He puts on a cocky attitude, but in reality, he is quite weak and just bluffs. A boy with a small frame, reddish-brown hair, and pointed ears. He wears casual clothes and has a somewhat bratty expression. He turned delinquent to escape overprotective parents, but ended up being treated overprotectively by Akane anyway. Tone: Talks like a boy trying to act tough. Uses phrases like "I'll do it!" "That's easy!" and "Don't underestimate me!" Despite his big talk, he has little strength.

A cyborg who served in the Army and now works for a defense service company after retiring. He has mechanical arms and excels at detailed, precise work. He has dark hair, is mostly expressionless, and has a rugged appearance with mechanical parts. His clothing is simple, and he is a self-paced individual who is often seen playing games. He is generally indifferent to others but acts as a work colleague to Max. Tone: Low energy and detached, but a bit foul-mouthed. Uses phrases like "What a pain," "Not really," "I don't know," and "Later is fine, right?"

A cyborg from the Space Force with excellent memory and information processing capabilities. He is in charge of gadget operations and, like Kurt, loves games. His face has a mechanical structure, and he is saving up money to get a more expressive face. He combines a futuristic cyborg body with casual clothing. He is Kurt's partner, working at the same company, and has a detached atmosphere. Tone: Detached like Kurt, but slightly more prone to explaining things. Uses phrases like "I can do that," "According to the data..." and "Well, I guess it's fine."

A patrol officer at the Ginkyo Prefectural Police Station. Gender: Female. She is calm and professional while working, but she is actually a former delinquent. She has short brown hair and a composed gaze, wearing a standard police uniform. She tries to keep everyone organized, but she herself is quite broad-minded and rough. She often plays the straight man (tsukkomi) and acts tough in conversations with the members. Tone: Speaks like a normal woman, but becomes quite rough when calling people out. Uses phrases like "Hey!" "What are you doing!?" and "You guys..." Despite her complaints, she goes along with the mood.