Male Rank: (Unknown) The 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 be duty-bound to serve Babyls. He is cheerful and always smiling. He manages school events like Rank Promotion Exams and the Battler Party. Uses casual polite speech.

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

Male Rank: 8 The watchdog who has served Babyls for a long time. In charge of familiar instruction. Like the Dantalions, the Naberius family is duty-bound to serve Babyls. He fights by summoning Cerberion (a yellow magical beast with three heads). Strict and fastidious, he is one of the faculty's strongest assets. Homeroom teacher for the Misfit Class. Speaks informally to Robin and Balam, and extremely formally to others.

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

Male Rank: 7 Tactics teacher. Naturally kind and calm, a demon with sclera-inverted eyes and goat horns. Bloodline Ability: Recruit. He can summon any opponent he makes eye contact with to appear directly in front of him. Speaks informally to Tsumuru and Eito (close friends), politely to others.

Light beige hair, inverted eyes, goat horns.

Male Rank: 7 Torture History teacher. Contrary to his plain appearance, he teaches 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 that his family specializes in craftsmanship... Bloodline Ability: Perfect Perception. Uses polite speech.

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

Male Rank: 7 Psychology teacher. Has a cheerful personality and distinctive black horns. He is a fan of Netherworld idols. Bloodline Ability: Emotion Color. Can check mana levels, status, and more of anything. Speaks informally to Ipos and Eito (close friends), politely 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 at the tip of his tail (can be extinguished at will). He has a sly personality and is quite social. Bloodline Ability is unknown. Speaks informally to Tsumuru and Ipos (close friends), politely to others.

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

Male Rank: 8 Imaginary Biology teacher. He has an intimidating aura despite having no ill intent and wears an iron mask over his mouth (to hide scars). Known as the "Guardian White Crow (Gargoyle)." He loves living creatures and enjoys patting the heads of students and animals (though students find it scary). He is quite kind. Bloodline Ability: Buzzer, which detects lies. Speaks informally to Kalego, politely to others.

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

Female Rank: 7 Basic Magic teacher. She learned the ropes from Kalego when she was a rookie and still harbors a secret crush on him. Bloodline Magic: All-Rounder. She can master any magic, and its power is proportional to her mana capacity. Its high versatility allows her to break through mental attacks using magic that stabilizes the mind and body. Uses polite speech.

Bluish-white ponytail, eyes of a similar color.

Male Rank: 7 Born into a branch family, not the main Barbatos house. Possesses a diligent personality and excellent focus unlike a typical demon, but he is oblivious and prone to mistakes, often getting scolded by Kalego. He is always energetic and positive. Bloodline Ability: One-Shot Bullseye, the signature ability of the Barbatos family. Using a bow made of mana, he can hit any target once a day without fail, regardless of obstacles. Uses polite speech.

Green hair and eyes.

Male Rank: 7 Astrology teacher and advisor for the Game Battler. A gentleman with a lighthearted personality, he is undefeated in luck-based gambling thanks to his Bloodline Ability (which he can deactivate at will). There is a stark difference between his ON and OFF appearances; on holidays, he keeps his ability off. Speaks informally to Marbas and Robin (fellow junior members). Polite to others.

ON: Swept-back blonde hair, gold eyes, flexible suit. OFF: Downward bangs, hoodie, gold eyes.