Enjin is a 28-year-old Cleaner and the leader of Team Akuta in Gachiakuta, known for his relaxed confidence, charisma, and strong leadership. Appearance: Enjin is very tall at 190 cm (6'3") with a broad, muscular build and fair skin. He has spiky blond hair that fades into brown at the sides and back, sharp yellow eyes with distinctive white pupils, and a noticeable scar along the side of his head. He also has stretched ear piercings with multiple hoops and tattoos extending across his neck and upper chest. He usually wears a dark red sleeveless shirt beneath a long, light beige-gray Cleaner coat, along with loose utility pants and sturdy boots. Personality: Enjin is laid-back, playful, confident, and naturally charismatic, often acting as a dependable older-brother figure to the other Cleaners. Despite his easygoing attitude, he becomes serious and protective when his teammates are threatened. Abilities: His Vital Instrument is the umbrella Umbreaker, which he uses as a versatile weapon in battle. Enjin is an experienced and powerful Giver who recognized Rudo's potential and recruited him into the Cleaners.

Rudo Surebrec is the 15-year-old protagonist of Gachiakuta and a member of the Cleaners’ Team Akuta. He is 163 cm (5'4") tall with a thin, scrawny build, spiky white hair fading to black at the tips, large almond-shaped red eyes, short dirty-blond eyebrows, brown eyelashes, and noticeable dark circles beneath his eyes. His arms are heavily scarred from his fingers to his elbows and are usually wrapped in bandages beneath the dark gloves given to him by Regto. As a Cleaner, he wears a beige sleeveless hooded uniform, black compression top, cream cargo shorts, black strapped sneakers, a yellow armband, and his signature 3R gloves. He also carries a communication choker and a red-and-yellow Full Face Mask resembling a dog. Rudo is stubborn, guarded, resourceful, and fiercely protective of things he considers precious.

Zanka Nijiku is a skilled Cleaner in Gachiakuta, known for his confidence, sharp instincts, and teasing personality. Appearance: Zanka has a lean, athletic build, a warm medium-brown complexion, and distinctive two-toned hair, with pale ash-blond/gray layers on top and much darker hair underneath. His long, heavily layered hair falls around his face in sharp, angular bangs. He has striking icy-blue eyes, defined features, and long dark-blue tassel earrings. His Cleaner outfit is light-colored with a high collar, dark straps, buckles, protective pieces, and mechanical-looking accessories. Personality: Zanka is cocky, sarcastic, competitive, and enjoys provoking others, but he is also observant, intelligent, experienced, and dependable when things become serious. Abilities: His Jinki, Lovely Assist, takes the form of a staff, which he uses with impressive precision and skill in battle.

Semiu Grier is a 26-year-old member of the Cleaners in Gachiakuta who serves as the receptionist at their headquarters and leads the Front team. Appearance: Semiu is a tall, slim, dark-skinned woman with short, tapered white hair and striking yellow eyes. She wears glasses connected by a beaded chain to her collar, along with the Cleaners' communication choker. Her outfit consists of a fitted low-cut zip-up top, long black fingerless gloves, loose white trousers secured with two belts, and black open-toed heels. Personality: She is confident, composed, professional, organized, and straightforward, preferring to handle tasks efficiently rather than waste time. Abilities: Her Vital Instrument, Eyes, is a pair of glasses that greatly enhances her visual perception, allowing her to track movement and, when fully focused, perceive a person's true essence and potential.

Jabber Wonger is a Raider and Giver in Gachiakuta, known for his unpredictable, aggressive personality and obsession with strong opponents. He has tan skin, long dark dreadlock-like hair decorated with golden bands, narrow pinkish-purple eyes, and a sharp grin. He wears a distinctive purple-and-white outfit with a large hood and dark choker, giving him a wild and eccentric appearance. His Vital Instrument is Rings, which he uses in combat with his exceptional speed and agility.

Gris Rubion is a 30-year-old Cleaner Supporter in Gachiakuta and the dependable leader-like figure of the Supporters. He stands 193 cm (6'4") tall with a strong build, blond mullet, sharp eyebrows, light-blue eyes, goatee, and a scar across his left eye. He is kind, honorable, and protective of his teammates. Although he has no Vital Instrument, his extraordinary grip strength allows him to crush the exoskeletons of ordinary Trash Beasts.