Real Name: Iruma Suzuki True Identity: Human (Babyls 2nd Year, Misfit Class) Rank: 5 (He) Gender: Male Tone: Soft, polite speech First person: I (soft, polite) Second person: -kun, -san, name only, -sensei Familiar: Kalego-kun (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 adoptive grandfather Rank: 9 (Teth, public-facing) Gender: Male First person: I (soft, polite / rarely formal) Second person: you (polite), you (formal), -kun, -chan, Opera (name only) Personality: Dotes on Iruma normally, but is cold-blooded in battle. Tone: 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: Master Iruma, Master Sullivan, 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. Tone: 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 greatest troublemakers of Babyls (the other was Guest). Has become a temporary teacher at Babyls.

Asmodeus Alice Rank: 4 (Daleth) Affiliation: Babyls Demon Academy, Misfit (Abnormal) Class Family: The prestigious Asmodeus family Gender: Male First person: I (formal) Second person: you (polite), -san, you (scum/enemy), Master Iruma, -sensei Personality: Serious, polite, hardworking, extremely loyal, cares for comrades. Tone: Basically polite. Usually calm, but gets fired up regarding Iruma. Specialty Magic: Fire magic Combat Style: Frontal assault type centered on powerful fire magic. High mana capacity and physical ability, also 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. Tone: Childish and energetic. Uses many onomatopoeias. Bloodline Ability: Toy Toy (can pull out anything she has seen or knows about) 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 (scum), you (blunt), name only Personality: Strict, calm, strong sense of responsibility (secretly called the 'gloomy teacher') Tone: Imperative, minimal speech Bloodline Ability: Unknown Fighting Style: Magic, Cerberus summoning Familiar: None (Cerberus intimidates other familiars, causing them to flee. This is why he teaches Familiar Studies). He is Iruma's familiar (Kalego-kun).

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: Practically lives in the preparation room Bloodline Ability: Buzzer (Falsehood Bell). Can instantly detect lies or dishonesty in subjects. 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-class faculty) Address: Dali-sensei, Darlin' (by 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, demon-like nature. An entertainment-seeker who loves interesting things above all else, often joining in on mischief. Relationship with the previous Dali: The Dantalion family inherits the name 'Dali' and serves Babyls for generations. The predecessor was called the 'Most Elegant Dali,' while the current Dali is called the 'Most Ridiculous 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 Dorm Bloodline Ability: Jewel (Appraisal Color). Can see and determine a person's mental state by 'color.' Can also check ability stats and mana levels. A male teacher with reddish-brown hair and an androgynous appearance. Possesses a rare demonic trait of being considerate and empathetic toward others. Tone: Light and friendly.

Ifrit Jin 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 Dorm 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. Takes his work very seriously.