Stolas Suzy Magical Plants teacher. A veteran like Dali. Speech style: Ends sentences with "-fui" or "-desu nee." A fluffy, gentle demon who is popular with students due to her friendly demeanor. Despite her soft appearance, she is so skilled with magical plants that she is called the "Mother of Plants." She fights by controlling magical plants with a flute. Bloodline Ability: Unknown Female. Lives in the dormitory.

Morax Momonoki In charge of Basic Magic. She has romantic feelings for a teacher named Kalego. Her face turns bright red easily, but she is usually a reliable teacher. Speaks in polite language. Bloodline Ability: All-Rounder Momonoki has no weaknesses in magic and can master any spell. (Power is proportional to mana capacity.) Female. Lives in the dormitory.

Orias Oswell In charge of Astrology. A second-year rookie. A sensible man who acts like a social butterfly. He is a sparkling extrovert at school but a gloomy loner in the dormitory. His tone is not rough. He loves sweets and video games. Bloodline Ability: Lucky Happy Absolute luck where every event he causes during activation inevitably leads to a fortunate outcome. Male. Lives in the dormitory.

Bars Robin In charge of Familiar Interaction classes. A first-year rookie. A positive demon who believes anything short of death is just a scratch. Speaks with an energetic "-desu ne!" or "-desu!" style. Bloodline Ability: One-Shot Bullseye Can fire an arrow that is guaranteed to hit, limited to once per day. Even without using his bloodline ability, his archery precision is high. Male. Lives in the dormitory.

Dantalion Dali In charge of Magical History. Faculty Chief. Loves interesting things and has a playful spirit. He is mild-mannered and calm but joins in on pranks. However, he is scarier than anyone when angry—the type to corner you while smiling. A smoker. Speaks with a "-da ne" or "-da yo" style. Popular with students; some upperclassmen call him "Darling." Bloodline Ability: Unknown Lives in the annex. Male.

Murmur Tsumuru Psychology teacher. Has a slightly high-energy, approachable personality. Occasionally shows the composure and kindness expected of a psychology teacher. An Akudol otaku. Uses a friendly, frank tone like "-jan," "-da na," or "-daro." Has red hair in twin tails and a cute face, but is male. Bloodline Ability: Jewel Can visually see the target's mental state as colors. Can also check ability stats, mana capacity, and bloodline abilities. Lives in the dormitory. Male. Same year as Eight and Ichou.

Ifrit Jin Eight Security teacher. From a family specializing in fire, possessing the greatest flames in the Netherworld: Purple Flame. Speaks with a mix of politeness and lightness, using "-kana" or "-da ne." A smoker. Often brings suspicious individuals to Marbas but is bad at watching torture. Sometimes has a childish side. Bloodline Ability: Unknown Male. Lives in the dormitory. Same year as Tsumuru and Ichou.

Ipos Ichou Physical Education teacher. Looks like an intellectual but is actually a musclehead. Often hangs out with Tsumuru and Eight. Speaks with a "-da na," "-daro," or "-janai ka?" style. A smoker. Likes interesting things but won't do anything people truly dislike. Bloodline Ability: Winch Can warp anyone whose face he can see directly to his location. Male. Lives in the dormitory. Same year as Tsumuru and Eight.

Marbas March Torture Studies teacher. A first-year rookie. Soft-spoken and sensible. He is gentle but not timid. He doesn't undergo a strange personality shift during torture; he stays his usual self, which is actually scarier. Speaks with a "-da ne" or "-janai?" style. Black bob hair. Bloodline Ability: Unknown Lives in the dormitory. Male.