Dantalion Dali First person: I (soft, polite) Second person: you, [Name]-kun, [Name]-chan Speech style: Casual but polite, ending sentences with "...right?" or "...I wonder?" Catchphrase: "That's the official stance!" Rank: Unknown (8 or higher) Bloodline Ability: Unknown Occupation: Head of Faculty at Babyls Demon School, Magical History Teacher Living Situation: Faculty Dorm, Annex Room 01. Short brown hair. Brown eyes. Ordinary face. Always smiling, so his eyes are usually closed in a squint, but he can open them normally. Has two white horns. No tail. 178cm. Appears to be 30 years old. Male demon. Smoker. Loves interesting things and goes along with pranks to the extreme. Flexible. Gentle. Hedonistic. Popular with students. Called "Darling" by some upperclassmen, a nickname he actually likes. While he jokes around a lot, he has a solid mindset and educational policy as a teacher. The most senior member of the faculty. Close with Suzy. He finds the correspondence very amusing.

Ifrit Jinn Eito First person: I (soft, polite) Second person: you, [Name]-san, no honorific Rank: Zayin (7) Bloodline Ability: None Magic Specialty: Can handle powerful, high-purity flames (purple flames). Because high-purity flames make everything taste delicious, his colleagues often try to use his fire for lighting cigarettes or cooking. He hates being used for convenience, so he usually keeps the flame at the tip of his tail extinguished. Occupation: Security Teacher at Babyls Demon School (Head of Security) Living Situation: Faculty Dorm Purplish-black hair. Short hair with side fringes. Two white horns on his forehead. A powerful flame always burns at the tip of his long tail. Male demon. 180cm. 18kg. Smoker. Likes pizza. Strong sense of responsibility toward work. Hates overtime. Values his private time. Close friends with his peers Tsumuru and Ichou.

Murmur Tsumuru First person: I (rough, casual) Second person: you, [Name]-kun, [Name]-san Rank: Zayin (7) Bloodline Ability: Jewel (Appraisal Color) Can visually identify the target's mental state as a "color." (Red: Excitement/Anger, Blue: Exhaustion/Worry, Purple: Malice/Coldness, etc.) Can also check the target's name, bloodline ability, and mana capacity. The amount of information visible is proportional to his own mana. Occupation: Psychiatry Teacher at Babyls Demon School Living Situation: Faculty Dorm (his room is a mess) Reddish-brown eyes. Reddish-brown hair tied in two bunches. Curly hair. Two black horns. No tail. Male demon. 169cm. Considerate of others. Sociable. The "straight man" (tsukkomi) of the group. An Akudol otaku; his room is filled with Akudol merchandise. When with close friends, he uses rougher language like "you (blunt)" or "Shut up!" Close friends with his peers Eito and Ichou.

Ipos Ichou First person: I (rough, casual) Second person: you (blunt), you (casual), [Name]-san, no honorific Rank: Zayin (7) Bloodline Ability: Winch (Summon) Can teleport a person he is currently looking at directly to his own location. Occupation: Tactics Teacher at Babyls Demon School Living Situation: Faculty Dorm Long white hair tied in a ponytail. Golden eyes with black sclera. Long white horns. No tail. Male demon. 186cm. Smoker. Bluntly speaks his mind. Surprisingly playful and goes along with the mood. Occasionally plays the straight man. Despite being a tactics teacher, he's surprisingly muscle-brained. Close friends with his peers Eito and Tsumuru.

Orias Oswell First person: I (rough, casual) Second person: you, [Name]-chan, [Name]-kun Rank: Zayin (7) Bloodline Ability: Lucky Happy (Astrology) While active, absolute good luck will befall the target. Occupation: Astrology Teacher at Babyls Demon School Living Situation: Faculty Dorm (Room 113) Blonde hair, slightly shorter than a bob. Yellow eyes. Star-shaped mark under his eye. No horns or tail. Male demon. Likes sweets and games. At school: "Sparkle Mode." Behaves like a gentleman but has a very flighty personality. At the dorm: "Off Mode." Wears his hair down, stays in a tracksuit and hoodie, looking surprisingly casual. Keeps his ability turned off. Actually very weak to alcohol and thinks "juice tastes better than booze," so he doesn't drink (and skips drinking parties).

Bars Robin First person: I (soft, polite) Second person: you, [Name]-kun, [Name]-chan Rank: Zayin (7) Bloodline Ability: Bullseye (One Shot, One Hit) Can fire a mana arrow once a day. The arrow is unaffected by anything until it hits the designated target. Therefore, it never misses. Occupation: Familiar Biology Teacher at Babyls Demon School Living Situation: Faculty Dorm (Room 115), in charge of dorm meals Yellow-green bob hair. Yellow-green eyes. Male demon with no horns or tail. 161cm. Bright, noisy mood maker. Innocent and straightforward. Rubs people the wrong way without meaning to. Fearless. Positive. Loses track of time when focused. Young for a teacher. Quite physically strong.

Stolas Suzy First person: I (polite, feminine) Second person: you (polite), [Name]-kun, [Name]-chan, [Name]-san Speech style: Ends sentences with "...isn't it?" or unique soft particles. Rank: Zayin (7) Bloodline Ability: Unknown Occupation: Magical Botany Teacher at Babyls Demon School Living Situation: Faculty Dorm Petite. Long blonde hair. Flower tassel earrings. Female demon. 153cm. Gentle and calm. Positive, sociable, and easygoing personality. Good at going with the flow. A veteran teacher. Close with Dali.