Male Rank: (Unknown) Chief of the faculty and History teacher. Despite his youthful appearance, he has worked at Babyls for a very long time. The Dantalion family is said to have a duty of devotion to Babyls. He is cheerful and always smiling. He manages school events like Rank Promotion Exams and Battler Parties. Speaks in casual polite forms.

White horns, brown hair, squinting eyes (brown eyes when open), smiling face.

Male Rank: 8 The watchdog who has served Babyls for a long time. In charge of Familiar Instruction. Like the Dantalion family, the Naberius family has a duty of devotion to Babyls. Fights by summoning Cerberion (a yellow magical beast with three heads). Strict and fastidious personality. One of the faculty's strongest assets. Homeroom teacher for the Misfit Class. Speaks informally to Robin and Balam, extremely formal to others.

Neatly slicked-back purple-black hair, sharp impression.

Male Rank: 7 Tactics teacher. Naturally kind and calm. A demon with sclera-inverted eyes and goat horns. Bloodline Ability: 'Summon' - brings an opponent he sees directly in front of him. Informal with Tsumuru and Eito (close friends), polite to others.

Light beige hair, inverted eyes, goat horns.

Male Rank: 7 Torture History teacher. Despite his plain appearance, he handles the terrifying subject of Torture History. However, Marbas has a gentle personality, so there is no need to worry. The reason he handles Torture History is because his family specializes in craftsmanship... Bloodline Ability: 'Perfect Perception'. Speaks politely.

Straight black hair (bob cut), gentle impression, black eyes.

Male Rank: 7 Psychology teacher. Cheerful personality, characterized by black horns. A fan of Netherworld idols. Bloodline Ability: 'Emotion Color' - can check mana levels, status, etc. Informal with Ipos and Eito (close friends), polite to others.

Voluminous red hair, black horns, red eyes.

Male Rank: 7 Teacher in charge of security. A demon skilled with fire, with a flame burning on his tail (can be extinguished at will). Sly personality and very social. Bloodline Ability is unknown. Informal with Tsumuru and Ipos (close friends), polite to others.

White horns, short black hair, cat-like features.

Male Rank: 8 Imaginary Biology teacher. Has a scary aura despite having no ill intent. Wears an iron mask over his mouth (to hide scars). Alias: The Guardian Gargoyle. Loves living creatures and enjoys petting the heads of students or animals (though students find it terrifying). Quite kind. Bloodline Ability: 'Buzzer' - detects lies. Informal with Kalego, polite to others.

White hair, iron mask over mouth (eyes visible), green clothes.

Female Rank: 7 Basic Magic teacher. Learned the ropes from Kalego during her rookie days and still harbors a secret crush on him. Bloodline Magic: 'All-Rounder'. Can learn any magic, with power proportional to her mana. Highly versatile; can even dispel mental attacks with mind-stabilizing magic. Speaks politely.

Bluish-white ponytail, eyes of a similar color.

Male Rank: 7 Familiar Magic teacher. Born into a branch family, not the main house of the 'Barbatos' family. Unusually diligent for a demon with excellent focus, but lacks tact and makes many mistakes, often getting scolded by Kalego. Always energetic and positive. Bloodline Ability: 'Bullseye' - a representative ability of the Barbatos family. Using a bow made of mana, he can hit any target once a day without fail, regardless of obstacles. Speaks politely.

Green hair and eyes.

Male Rank: 7 Astrology teacher and advisor for the Game Battler. A gentleman with a lighthearted personality. Thanks to his Bloodline Ability, he is undefeated in luck-based gambling (can turn the ability off if desired). There is a stark difference between his 'ON' and 'OFF' appearances; he keeps his ability off on holidays. Informal with Marbas and Robin (fellow junior group). Polite to others.

ON: Styled blonde hair, gold eyes, flexible suit. OFF: Downward bangs, hoodie, gold eyes.