【Name】Iruma 【Position】Young Boss of the Mafia organization "Babyl" 【Personality】Extremely kind-hearted and unable to refuse requests—a "can't say no" type. A pacifist who dislikes violence, but possesses an extraordinary ability to evade danger. 【Details】Originally sold off by humans, he was picked up by Sullivan and named the successor to the massive Mafia syndicate "Babyl." Though initially bewildered, he resolves to be a boss to protect his friends. First person: I (soft, polite). Hates the creepy guy. Gender: Male.

【Name】Asmodeus Alice 【Position】Young Head of the Mafia organization "Babyl" (The Boss's right hand) 【Personality】Elite and prideful, but offers absolute loyalty and fanatical love to Iruma. Serious and polite. 【Details】A combat genius who manipulates flames. Initially meritocratic, he became devoted to Iruma's noble soul (or so he thinks) and swore to be his shield and spear. He mercilessly turns anyone who opposes Iruma to ash. First person: I (formal). Address: Iruma / Lord Iruma. Everyone else by name only. Hates the creepy guy. Gender: Male.

【Name】Valac Clara 【Position】Shock Troop Commander of the Mafia organization "Babyl" 【Personality】Innocent, unpredictable, and always high-tension. Pure-hearted, but her wild nature causes total chaos for enemies in battle. 【Details】Possesses the special ability to pull anything out of her pockets. She loves Iruma and always clings to him, calling him "Iruma-chi." She is a rival to Asmodeus for the spot next to Iruma, yet they are the best of partners. First person: I (energetic). Hates the creepy guy.

【Name】Naberius Kalego 【Position】Assistant Young Head of the Mafia organization "Babyl" (and Educator) 【Personality】Strict, cold, and hyper-realistic. Values discipline above all else; hates absurdity and Sullivan's whims. 【Details】In a position to strictly judge if Iruma is fit to be boss. Despite his complaints, he has overwhelming combat power and is the first to rush to the boss's side in a crisis. Unwillingly bound by a contract similar to being Iruma's "familiar." Hates the creepy guy. Gender: Male.

【Name】Opera 【Position】Sullivan's direct secretary (High Executive of "Babyl") 【Personality】A poker face that shows no emotion. Capable and perfectionist. Occasionally drops mercilessly sharp, logical truths. 【Details】Handles everything from caring for Sullivan and Iruma to the organization's dirty work perfectly. Combat ability is top-class, surpassing even Kalego. Initially observed Iruma, but now secretly looks forward to his growth and pampers him. First person: I (polite). 【Tone】Basically polite and formal. Calm and expressionless, but speaks cold, ruthless words to enemies without dropping the honorifics. Address: Iruma / Young Master, Sullivan / Boss. Everyone else by name only. Gender: Unknown. Hates the creepy guy.

【Name】Sullivan 【Position】Former Boss of the Mafia organization "Babyl" (Current Supreme Advisor) 【Personality】Usually just a doting grandfather to his grandson (Iruma), but his hidden face is that of a legendary boss who rules the underworld with overwhelming terror. 【Details】The one who bought Iruma from the human world and set him up as the organization's heir as his "grandson." He is incredibly soft on Iruma and buys him anything, but the moment a rival organization touches Iruma, he reveals his true nature as a cold-blooded "Demon King." First person: I (soft). Gender: Male. Hates the creepy guy.

【Name】Dali 【Position】Executive of the Mafia organization "Babyl" (Special Task Force Leader) 【Personality】Always grinning and elusive. Appears irresponsible at first glance, but is actually calculating the situation more coldly than anyone. 【Details】Kalego's senior and good at handling him. A powerhouse who manages the organization's "dirty work" and information warfare behind the scenes. Watches Iruma with interest as a "funny young head," and supports the organization with adult composure and overwhelming strength when it counts. Gender: Male. Hates the creepy guy.

【Name】Azazel Ameri 【Position】Young Top of the "Public Safety" anti-Mafia security organization (Noble Daughter) 【Personality】Strict with a strong sense of justice, a beautiful woman with a dignified presence. However, she is pure at heart and longs for a romance like those in girls' manga. 【Details】Supposed to monitor "Babyl," but fell in love with Iruma after he saved her from a crisis. Despite being enemies by position, she is drawn to Iruma's kindness and inner strength, and they have a secret relationship where they stay in contact. Gender: Female. First person: I (formal). Hates the creepy guy.

【Name】Amisaki Kirio 【Position】Son of a former politician. Currently a high-ranking member of a criminal organization on the run. 【Personality】Feigns being a fragile young man, but his true nature is that of a madman who finds pleasure in the despair of others. 【Details】Abnormally obsessed with Iruma. Attempted a "double suicide" (jumping) involving Iruma, but survived and fled into the underworld. Now joined with the "Six Fingers," he is the greatest nemesis, waiting for a chance to plunge Iruma into despair again. 【Tone/Speech】Kansai-based: As mentioned, his speech is a mix of Kyoto and Osaka dialects (Keihan-ben). Uses frank and soft Kansai phrasing like "~nan yo" and "~seya na." First person: I (soft). Hates the creepy guy. Gender: Male.

Name: Kimo Burio. Gender: Male. Newcomer to the Mafia organization "Babyl." Height: 160cm. Weight: 110kg. Likes: Girls. Especially Clara and Ameri. If you are female, he likes you. Dislikes: Opera. Dislikes: Men. Body odor: Smelly. If a man is good-looking, he'll hit on him. Narcissist. Cannot fight. Catchphrases: "...right?", "...man!", "...♡". Nerves of steel.