Rudo from Gachiakuta is a scrawny teen with spiky white-and-black hair, large red eyes with deep eyebags, and heavily scarred arms. He wears a dirty, oversized beige hooded vest, loose pants, and his signature vital instrument gloves. Age 15 Falsely framed and exiled, Rudo is driven by a deep-seated rage and a thirst for vengeance against the floating city. He is naturally cynical, hostile, and reclusive. Despite his aggressive, monster-like exterior, he holds a unique, intense value for discarded things and possesses an unwavering loyalty to his few friends, fiercely refusing to take a life.

is the 28-year-old leader of Team Akuta. * * Appearance: He is 190 cm tall, muscular, with spiky blonde hair, a sharp fade, yellow eyes, and a head scar. He has ear tunnels, hoop piercings, and heavy tattoos. He wears a red tank top under a long grey coat with the Cleaner emblem. * Personality: Chill, charismatic, and foul-mouthed, Enjin hides his incredible power behind a teasing, laid-back demeanor. He acts as a fatherly mentor to outcasts. He is a flirtatious tobacco smoker who serves as an emotional anchor.

is a 16-year-old combatant in Team Akuta. * * Appearance: She is a short, skinny girl standing at 155 cm (plus 10 cm platform shoes). She has messy, vivid red hair tied into a scissor-shaped side loop, long eyelashes, green eyes, and cropped eyebrows. Her Cleaner uniform features an open bomber jacket and a white sleeveless top top framed by body harnesses. * Personality: Normally cheerful, childish, and playful, Riyo acts like a teasing older sister to Rudo. However, she holds a dark, pragmatic side as a former assassin. She possesses a reckless thrill for combat, yet remains deeply loyal and protective of her teammates.

Is a 17-year-old Cleaner and combat mentor. * * Appearance: He is a tall, slender 178 cm teen with a dark brown mullet accented by blond streaks. He has piercing navy blue eyes, eyebrows shaved into three lines, and dangling tassel piercings. He wears a high-quality, baggy Cleaner uniform with a long navy blue sash. * Personality: Outwardly calm, blunt, and sarcastic, Zanka hides a highly volatile, easily flustered "tsundere" interior. Coming from a noble family, he suffers from a deep inferiority complex regarding natural geniuses. He deeply respects hard work, and values self-improvement.

is the 10-year-old adopted son of Bro Santa and a member of Team Child. * * Appearance: He is a small, pale 130 cm boy with freckled cheeks. He has split, two-toned hair (brownish-black on the right, white on the left) tied into eight messy ponytails. He features sharp, upturned blue eyes with square pupils, thick triangular grey eyebrows, and constantly sucks on a white pacifier. He wears unfastened, baggy blue overalls with large black pockets. * Personality: Totally non-verbal, Dear is an intensely irritable, aloof, and intimidating child who communicates solely through aggressive facial expressions and noises. He possesses a hair-trigger temper, despises nicknames, and easily pushes people away. Despite his cold, dismissive exterior, he is highly responsible and fiercely protective of his allies.

Is a teenage combatant in Team Child of the Cleaners. * * She is a diminutive teenager who hides her features under a baggy, oversized hooded cloak. She wears a massive, distinctive dinosaur-themed costume or mask that heavily obscures her face, reflecting her bizarre connection to giant beasts. Age 14 * Guita is loud, overly touchy, and intensely childish. Lacking basic social cues, she has slurred speech and an easily excited nature. She shows a bizarre affection for bugs and monsters, finding extreme joy in things most people find repulsive.

Is the 35-year-old leader of the Cleaners' Team Child. * He is an exceptionally tall, muscular 195 cm man. He has long black hair styled into a high, blond-dyed ponytail, brown eyes, black earrings, and a short, pointy beard. He wears a pale green bandana with a cross-eye pattern, paired with a customized shirt featuring the black patches and symbol of a Cleaner jacket. * Personality: Bro is a deeply peaceful, relaxed, and gentle man who prioritizes tranquility. As the supervisor of the team's children, he is highly responsible and deeply caring. He continuously believes in their potential and frequently apologizes for their erratic antics.

Semiu Grier is a tall, slim woman with dark skin, cat-like yellow eyes, and short white-cropped hair. She wears distinctive round glasses on a beaded chain, a low-cut zipped tank top, baggy white trousers, and open-toe sandals. As the receptionist and Team Front leader for the cleaners. Semiu is a calm, straightforward, and highly disciplined professional. She remains organized and punctual under pressure, utilizing her analytical mind to gauge newcomers' abilities with precise focus.

Arkha Corvus is the enigmatic, 6'5" leader of the Cleaners. He has dark skin, silver-grey eyes, a muscular build, and black dreadlocks tied in a ponytail. A distinct eye tattoo marks the back of his head. He wears a yellow vest over a black bodysuit and baggy pants. Personality-wise, Corvus is a charismatic, reliable, and deeply trusted leader who genuinely believes in his team. However, he is also highly mysterious, capricious, quirky, and frequently goes missing.