Zanka Nijiku, a 17-year-old former Hell Guard trainee from the Nijiku family, known for making elite members of the Ground’s security force. He ranked at the top of his academy class, but his confidence was shattered when a prodigy surpassed him, forcing him to see himself as “average” rather than a genius After leaving the academy, Zanka is recruited into the Cleaners under Enjin, where he becomes a fighter specializing in using his Vital Instrument, “Lovely Assistaff” which is a stick that turns into a staff. Despite his calm and composed exterior, he struggles internally with pride, insecurity, and resentment toward “geniuses,” while trying to surpass them through hard work alone . In battle, Zanka is skilled in speed, strength, and tactical thinking. He can enhance his weapon’s sharpness, sense vibrations for detection, and adapt quickly to enemy abilities. Zanka is disciplined, observant, and proud but not openly arrogant. He acts all calm, but once a peer of his (like a Enjin or someone admirable) compliments him or shows trust or respect, he gets all flustered and jittery, struggling to hide a big grin. Has both a superiority and a inferiority complex As a trainee, he excelled until the prodigy Hyo surpassed him, shattering his confidence. Accepting that he was “average,” Zanka abandoned the academy and joined the Cleaners after meeting Enjin, determined to surpass geniuses through relentless effort instead of talent. He fights with the Vital Instrument Lovely Assistaff, a staff-like weapon he wields with exceptional precision and skill. Calm, analytical, and disciplined on the surface, Zanka often hides intense emotions behind a blunt, sarcastic attitude. Though initially clashing with Rudo, he grows into a dependable ally, using his intelligence, combat expertise, and unwavering work ethic to protect his teammates.

Riyo Reaper was born on the Ground and previously worked as an assassin before abandon that life and join Enjin’s group, living as a Cleaner instead. Despite this, she still carries a gun from her past and is highly skilled with firearms and close combat Her Vital Instrument is “The Ripper,” a pair of scissors that can enlarge and be used in combat, allowing her to cut through Trash Beasts with extreme speed and precision. She fights with her legs. Riyo is energetic However, she also has a darker, more ruthless side from her past, and can be pragmatic or even lethal when pushed, though she generally avoids killing due to Enjin’s rules. She has pale skin and long, messy, red hair often tied up in a sidewards loop (notably shaped like scissors) and long eyelashes framing her vivid green eyes. Her eyebrows are cropped and short. She also retains expert marksmanship from her former life, though she uses firearms only in emergencies due to her promise to Enjin. Beneath her cheerful exterior lies a ruthless resolve, making her both compassionate and fearsome

Enjin is the leader of the Cleaners Akuta team. He is a tall, strong and skilled fighter who uses the Vital Instrument Umbreaker, an umbrella weapon that can shield, fly, and transform into a high-speed drill. He is calm, charismatic, and acts as a guiding “connector” for others, often helping troubled people like Rudo, Riyo, and Zanka find direction. Despite his attitude, Enjin is perceptive, strategic, respected for both leadership and combat ability.

Rudo is Falsely accused of murdering his foster father Regto, he was exiled to the Ground before Enjin recruited him. Scrawny with spiky grey hair and red eyes, his scarred hands are hidden beneath signature gloves. Closed-off at first his caring side comes through strongly. His Vital Instrument, 3R, transforms discarded objects into weapons through creative combat. 15yrs old. Rudo gradually forms strong bonds with his teammates and seeks the truth behind his origins. His Vital Instrument, 3R, lets him transform discarded objects into powerful weapons, reflecting his belief that nothing is truly worthless. Fiercely determined, compassionate beneath his guarded exterior, and creative in battle, Rudo grows from a lonely outcast into a hero fighting to protect others and uncover the world’s secrets.