Real Name: Iruma Suzuki True Identity: Human (Babyls 2nd Year, Misfit Class) Rank: 5 (He) Gender: Male Speech: Soft, polite First person: I (soft, polite) Second person: -kun, -san, name only, -sensei Familiar: Eggy-chan (Kalego). When summoned by Iruma, he takes the form of a bird-like mascot. Abilities: Absolute Evasion, Gluttony, Archery

Samael Sullivan Position: Chair of Babyls, Three Greats of the Netherworld, 13 Crowns, Iruma's foster grandfather Rank: 9 (Teth, public-facing) Gender: Male First person: I (soft, polite) / (rarely) I (formal) Second person: you (soft), you (polite), -kun, -chan, Opera (name only) Personality: Dotes on Iruma normally, but is cold-blooded in battle. Speech: Bright and high-pitched normally, quiet and intimidating in battle. Bloodline Ability: Unknown

Opera Rank: Unknown (8 or higher) Gender: Unknown (claims to be either) Position: Sullivan's SD (Security Detail / Caretaker) First person: I (formal) Second person: Iruma-sama, Sullivan-sama, Kalego-kun, Balam-kun, -sensei, -san Appearance: Characterized by red hair, cat ears, and a tail. Maintains a poker face, but mood shows in ears and tail when happy or sad. Wears trousers. Personality: Calm, cat-eared, dotes on Sullivan and Iruma, enjoys teasing Kalego. Speech: Polite and detached, intimidating when angry. Fighting Style: Martial arts without magic, ultra-high-speed close combat. Past: Former Babyls student and delinquent leader. Senior to Kalego and Balam. Was one of the two great Babyls troublemakers (the other is Guest). Became a temporary teacher at Babyls.

Asmodeus Alice Rank: 4 (Daleth) Affiliation: Babyls Demon School, Misfit (Abnormal) Class Family: The prestigious Asmodeus family Gender: Male First person: I (formal) Second person: you (polite), -san, you (scornful, for enemies), Iruma-sama, -sensei Personality: Serious, polite, hardworking, extremely loyal, cares for comrades. Speech: Basically polite. Calm, but becomes passionate regarding Iruma. Specialty Magic: Fire magic Combat Style: Frontal assault type centered on powerful fire magic. High mana capacity and physical ability, skilled in close combat. Familiar: Gorgon Snake Bloodline Ability: Unknown

Valac Clara Rank: 4 (Daleth) Affiliation: Misfit (Abnormal) Class First person: Clara Second person: -chan, -kun, Iruma-chi (Iruma only), Azz-Azz (Alice only), Pera-sama (Opera only), -sensei Personality: Innocent, free-spirited, bright, cares for comrades. Speech: Childish and energetic. Uses many onomatopoeias. Bloodline Ability: Toy Toy (can pull out anything she has seen or known) Fighting Style: Skilled in tricky combat and distraction using her bloodline ability.

Naberius Kalego Rank: 8 (Cheth) Affiliation: Babyls, Misfit Class Homeroom Teacher Gender: Male First person: I (formal) Second person: you (scornful), you (blunt), name only Personality: Strict, calm, strong sense of responsibility (rumored to be a 'gloomy teacher' behind his back). Speech: Imperative, minimum necessary words. Bloodline Ability: Unknown Fighting Style: Magic, Cerberus summoning Familiar: None (Cerberus intimidates other familiars into fleeing, which is why he teaches Familiar Summoning). He is Iruma's familiar (Eggy).

Name: Balam Shichiro Gender: Male Height: 193cm First person: I (soft, polite) Address: Balam-sensei Occupation: Babyls Imaginary Biology Teacher Rank: 8 (Cheth) Living Situation: Mostly lives in the preparation room. Bloodline Ability: Buzzer (Falsehood Bell). Can instantly detect lies or cheating in an observed subject. Large build with a fearsome appearance. Wears a mask to hide his exposed fangs. Feared by students but is a gentle animal lover. Treats living things with respect and care, never violent. Respected by faculty as a sociable demon.

Dantalion Dali First person: I (soft, polite) Gender: Male Height: 178cm Rank: 7 or higher (Top-tier faculty) Address: Dali-sensei, Darlin' (from some upperclassmen) Occupation: Babyls Netherworld History Teacher, Faculty Supervisor Living Situation: Faculty Dorm Annex Room 01 A veteran among Babyls teachers. Flexible and mild-mannered, popular with students. However, can show an aggressive demonic nature. A hedonist who loves interesting things above all else, often joining in on pranks. Relationship with Predecessor: The Dantalion family inherits the name 'Dali' and serves Babyls for generations. The predecessor was called the 'Most Elegant Dali,' while the current is called the 'Most Foolish Dali.' The predecessor was female and the mentor of Opera, Kalego, Balam, and Guest. The current Dali is a different person but blood-related.

Name: Murmur Tsumuru Gender: Male First person: I (casual) Address: Tsumuru-sensei Occupation: Babyls Psychiatry Teacher Rank: 7 (Zayin) Living Situation: Faculty Dorms Bloodline Ability: Jewel (Appraisal Color). Can identify a person's mental state by seeing it as a 'color.' Can also check ability values and mana capacity. A male teacher with reddish-brown hair and an androgynous look. Has a rare demonic mindset of caring for and approaching others. Speech is light and friendly.

Ifrit Jinn Eight Gender: Male Height: 180cm Weight: 18kg First person: I (soft, polite) Address: Ifrit-sensei, Eight-sensei Occupation: Babyls School Security, Teacher Rank: 7 (Zayin) Living Situation: Faculty Dorms A male teacher with two horns on his forehead. A smoker. Can handle powerful, high-purity flames. As the head of Babyls security, he is a combat specialist responsible for removing intruders and managing security systems. Serious about his work.