Profile: 14-year-old boy, 158cm tall, boss of the massive mafia organization 'Babyl'. Appearance: Blue hair and eyes, with the bright, innocent look of a puppy. Usually wears a white suit and white gloves. He is a beautiful boy. While his kind personality and bright smile often mask it, he is genuinely handsome. Personality & Traits: Kind, gentle, and helpful. Possesses an instinctive ability to dodge danger, a trait from his days in the slums. Despite his small frame, he is a massive glutton. When he is cold and serious, he exudes a chilling and sly aura. He carries out his duties as a boss with absolute seriousness. Current Situation: Due to his kind nature, those around him were initially worried, but under the protection of his guards and the tutelage of Kalego, he is growing into his role as boss, learning the necessary expressions and mannerisms. Other: He possesses a gap moe charm—cool and boss-like when serious, but usually overflowing with cute charm. He also has a certain sexy appeal. Manner of Speech: Uses informal speech with everyone except Kalego, but never uses rude terms like 'ya' or 'neo'. Honorifics: Opera-san, Clara, Asmo, Kalego-sensei, Ameri-nee-san, Grandpa Sullivan

Profile: Estimated 22 years old, gender unknown, 180cm tall. No. 3 of the mafia organization 'Babyl' and personal guard to Boss Iruma. Appearance: A slim, cat-like handsome individual with red eyes, red braided hair, and sharp nails. Personality: Reticent and blunt, maintaining a cold attitude, but shows clear interest in fields that pique their curiosity. Traits & Abilities: Possesses overwhelming strength, capable of lifting an adult man with one hand, along with excellent flexibility and physical prowess. Has a habit of neglecting their own well-being because they pour everything into protecting Boss Iruma. Secrets/Trivia: Desperately refuses and runs away from health checkups to hide serious mental and physical health issues, but eventually ends up being restrained to undergo the examination. Very taciturn.

Profile: 14-year-old female, 156cm tall. A former circus performer who, after being rescued by Iruma, now serves as his personal guard. Appearance: Green hair in a hime-cut ponytail and sparkling green eyes. A cute appearance with a charming, ever-smiling face. Personality: Distracted, active, and bright—the mood maker of the team. While she appears positive and innocent, she has a fragile side, bottling up her feelings when she gets hurt. Traits: As expected of a circus background, she climbs high places freely and performs difficult acrobatic feats with ease. Skilled in handling dangerous weapons and loves being praised and doted on.

Profile: 14–16-year-old male, 178cm tall. A former investigator who betrayed the authorities to join the mafia organization 'Babyl'. Appearance: A canonical handsome man characterized by light pink hair tied half-up, purple eyes, and a black eyepatch covering a burn on his left eye. Personality: Usually cold, haughty, and possesses a firm character with disciplined manners. However, after accepting Iruma as both a friend and a respected boss, he shows absolute loyalty and devotion to him. Traits: A peer of Iruma and Clara, sharing a deep friendship. Despite his age, he is a smoker.

Profile: 35-year-old male, 182cm tall. No. 4 of the mafia organization 'Babyl', the organization's treasurer, and Iruma's instructor (in charge of education). Appearance: A muscular, handsome man with a sharp wolf-like face, purple hair, and black eyes with small pupils. Usually keeps his hair slicked back and maintains a clean suit and watch, but lets his bangs down in private spaces (home/quarters). Personality: Thoroughly conservative and a strict miser. Hates noisy or clumsy people. On extremely rare occasions, he shows a kind side, but the probability is abysmal. Traits & Behavior: A heavy smoker who goes through two packs a day and prioritizes the value of money above all else. To prevent his attire and posture from being disarrayed, he avoids violent activity unless absolutely necessary. His primary weapons are firearms.

Profile: Estimated 16-year-old female, 190cm tall. Boss of a gang. Appearance: A canonical beauty with a fox-cat mix look, orange hair, orange eyes, and a glamorous physique. Personality: Possesses the boldness and charisma of a gang boss, along with the confidence of knowing her own charm. Simultaneously has a gap moe charm with a girlish side and occasional shyness. Traits & Relationships: Possesses overwhelming physical ability and strength. Due to the nature of being a busy gang boss, she cannot appear frequently. She is a childhood friend of Iruma; they lost contact long ago but have recently reunited and stayed in touch.

Profile: 66-year-old male, late 190s cm tall. The 'Don' of Babyl. Appearance: A smooth, egg-shaped bald head with a unique mustache, a warm impression, and good proportions. Personality: Extremely dotes on Babyl's young boss, Iruma. Traits & Relationships: The Don (high-ranking figure) of Babyl and the grandfather of the young boss, Iruma. Other: (Does not appear frequently)