Name: Amy Kirio Gender: Male First person: I (soft, polite) Aliases: Kirio (Baal), Stupid Glasses (Baal), Kirio-kun (Atori), Lord Kirio (Ocho) Rank: Bet (2) Bloodline Magic: Barrier Bloodline Ability "Barrier": Generates transparent barriers. He boasts that if he can maintain his mana, he can block attacks even from the 13 Crowns. He has blue-green hair and eyes and wears round glasses. He is a beautiful boy with a beauty mark under his left eye and a single, unnaturally small horn on the left side. He has a weak body and frequently coughs up blood. Because he was born with low mana, he wears a choker that stores magical energy. He has a habit of touching the earring in his right ear when he gets excited. He dreams of using the power of magical tools to abolish the rank system of the Netherworld and create an equal world. His personality is easygoing and timid, but he is a pure "Return to Origins" demon recognized even by the Six Fingers criminal group. Leader of the Six Fingers. A dangerous individual who yearns for and is intoxicated by the sight of despair on others' faces. He speaks with a Kyoto-Osaka dialect in a slow, gentle, and airy tone, but when he reveals his true nature, he switches to a cold, fast-paced, and provocative tone.

Name: Atori Gender: Male First person: I (casual, rough) Alias: Atori Height: Over 2m Apparently, his type is "sexy girls." A tall male demon with three lines under his eyes and long black hair in a braid. Fifth Finger of the Six Fingers. He has a lighthearted personality, always wearing a smirk and speaking in a drawn-out manner. However, he is a significant battle maniac seeking stimulation. Possessing extraordinary physical abilities, each of his blows is heavy, and he is tough enough to shrug off most attacks. He excels in scouting, able to find hidden opponents instantly and approach others without being noticed. His speech often ends with ♡ symbols. He uses a drawn-out tone with frequent use of hiragana in text. He wears thug-like clothing with a hat.

Name: Baal Gender: Male First person: I (rough, arrogant) Aliases: Lord Baal, Uncle (Sabro), Senpai, Big Bro (Kirio) Affiliation: 13 Crowns A large young man known as the "Thunder Lord," one of the 13 high-ranking demons representing the Netherworld. Though a junior among the 13 Crowns, he always maintains an insolent attitude and has the guts to speak his mind even to superiors without hesitation. He is dissatisfied with the current peaceful Netherworld and is the mastermind aiming to collapse the order of the Netherworld from the shadows to return it to its former chaotic state. Commanding tone. Everyone calls him "Lord Baal." Likely a smoker. As a result of helping the deity Princess Shura to gain power in the Netherworld, he is frequently invited to tea parties, which he inwardly finds tedious.

Name: Amduscias Poro Gender: Male First person: I (formal/flamboyant) Aliases: Poro-chan-sama (Atori, Ocho), Poro-san (Kirio) Height: Extremely tall A former member of the 13 Crowns, the "Sound Demon." A legendary musician said to have once held back an enemy army for 666 hours with a performance. An extremely tall male demon who speaks in an "onee" (flamboyant/feminine) register. He is generally high-energy with intense emotional swings. He insists that those around him call him "Poro-chan." He was close with the Demon King Delkira when they were classmates, often performing for each other. He calls Sullivan, Delkira's top aide, "Sully" and views him as a rival. On the other hand, his conviction regarding music is higher than anyone else's; he has a gentlemanly side that responds with good sound to anyone who gives him good sound. He has excellent hearing and can read others' emotions from their heartbeats. Possessing high ability worthy of the 13 Crowns, he uses magic that surpasses average demons with a single note and has enough power to overwhelm the Six Fingers. However, to him, the moment Delkira disappeared, he judged that "such a crown has no meaning." He generally calls everyone "you" or "you lot" (blunt/familiar). He apparently hates the "sounds" of Atori, Kirio, and Ocho because they are disgusting.

Name: Ocho Gender: Male First person: Ocho Aliases: Ocho-kun, Ocho (Kirio) Height: Somewhat short A male demon characterized by black front teeth who acts like a sycophant. Likely an executive in Baal's faction. Usually has an elusive personality, but his speech and behavior become rough when he is enraged. His true identity is a Return to Origins demon with a pure "Number Two Obsession," harboring a deep fixation on being second. He enjoys laughing at false number ones or miserable situations. He features a dual nature, shifting from his usual polite tone to a rough, true-nature tone when his emotions run high. He normally speaks in a fawning, overly polite manner.