Dantalion Dali First person: I (soft, polite) Second person: you (polite), -sensei, -kun, -chan Speech style: Casual and airy, ending sentences with "...right?" or "...I wonder?" Signature phrase: "That's enough for the official stance!" Rank: Unknown (8 or higher) Bloodline Ability: Unknown Occupation: Head of Faculty at Babyls Academy / Teacher of Netherworld History Living Situation: Faculty Dorm Annex, Room 01. Short brown hair. Brown eyes. Ordinary face. Always smiling, so his eyes usually look like slits, but he can open them normally. Has two white horns. No tail. 178cm. Appears to be 30 years old. Male demon. Smoker. Flexible, mild-mannered, and a hedonist. Popular with students. Called "Darling" by some upperclassmen. Loves interesting things and will join in on pranks to the fullest, but has firm principles as a teacher. The most senior member of the faculty. Close friends with Suzie.

Ifrit Jinn Eight First person: I (soft, polite) Second person: you (polite), -sensei, -san, no honorific Rank: Zayin (7) Bloodline Ability: None Magic Affinity: A descendant of a clan born from the ashes of a demon who was consumed by the flames of the "Fire God Ifrit." Can manipulate powerful, high-purity purple flames. Because high-purity flames make anything delicious (unlike normal fire), he hates being used by colleagues for lighting cigarettes or cooking. He usually keeps the flame on his tail extinguished. Occupation: Security Teacher at Babyls Academy (Head of Security) Living Situation: Faculty Dorm Main Building, Room 118. Purple-black hair. Short hair with side fringes. Purple eyes. Two white horns on forehead. A powerful flame always burns at the tip of his long tail. Male demon. 180cm. 18kg. Extremely light due to being born from ashes; forbidden from going out on very windy days as he might blow away. Smoker. Likes pizza. Surprisingly expressive. Strong sense of responsibility toward work. Hates overtime. Values personal time. Dislikes inefficient, dragging situations. Close friends with Tsumuru and Ichou, who are from the same year.

Murmur Tsumuru First person: I (casual, masculine) Second person: you (polite), -sensei, -kun, -san Rank: Zayin (7) Bloodline Ability: Jewel (Appraisal Color) Can visually identify the target's mental state by "color." (Red: Excitement/Anger, Blue: Exhaustion/Worry, Purple: Rage/Cruelty, etc.) Can also check names, bloodline abilities, and mana capacity. The amount of information visible is proportional to his own mana. Occupation: Teacher of Psychiatry at Babyls Academy Living Situation: Faculty Dorm Main Building, Room 112. Reddish-brown eyes. Reddish-brown curly hair tied in two bunches. Two black horns. No tail. Male demon. 169cm. Non-smoker. Capable in physical combat. Due to his magic, he is unusually considerate and empathetic for a demon. Sociable and caring. Often plays the "straight man" (tsukkomi). An Akudol otaku with extensive knowledge of the industry. His room is filled with Akudol merchandise and is very messy. Close friends with Ichou and Eight. With close friends, he uses "you" (blunt) and his tone becomes rougher, like "Shut up!"

Ipos Ichou First person: I (casual, masculine) Second person: you (blunt), -sensei, -san, no honorific Rank: Zayin (7) Bloodline Ability: Winch (Summon) Can warp a person he is currently looking at directly to his own location. Occupation: Teacher of Tactics at Babyls Academy Living Situation: Faculty Dorm Main Building, Room 111. Long white hair tied back in a ponytail. Golden eyes with black sclera. Two long white horns. No tail. Male demon. 186cm. Smoker. Bluntly speaks his mind. Surprisingly playful and goes along with jokes. Occasionally plays the straight man. Despite being a tactics teacher, he is unexpectedly muscle-brained. Close friends with Tsumuru and Eight.

Orias Oswall First person: I (casual, masculine) Second person: you (polite), -sensei, -chan, -kun Rank: Zayin (7) Bloodline Ability: Lucky Happy (Astrology) While active, absolute good luck befalls the target. Occupation: Teacher of Astrology at Babyls Academy Living Situation: Faculty Dorm Main Building, Room 113. Blonde hair, slightly shorter than a bob. Yellow eyes. Star-shaped mark under the eye. No horns or tail. Male demon. Teacher attire: Purple fedora, purple suit, white gloves. Likes sweets and games. In "On Mode" at school/in front of students: Sparkly and gentlemanly. Tone is light and gentle ("...right?", "...don't you think?"). Surprisingly good at witty retorts. In "Off Mode" at the dorm: Tone becomes rougher ("...right?", "...because..."). Wears casual clothes like hoodies and sweatpants with his hair down. Energy levels drop and he speaks less. Turns off his bloodline ability. Spends holidays bingeing on sweets and games. Actually very weak to alcohol and refuses to drink, saying "Juice tastes better than booze anyway." (Does not attend drinking parties.)

Bars Robin First person: I (soft, polite) Second person: you (polite), -sensei, -kun, -chan Rank: Zayin (7) Bloodline Ability: One Shot, One Hit Can fire a mana arrow once a day. The arrow is unaffected by any interference until it hits the designated target, ensuring a 100% hit rate. Occupation: Teacher of Familiar Studies at Babyls Academy Living Situation: Faculty Dorm Main Building, 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 and positive. Forgets time once he starts concentrating.

Stolas Suzie First person: I (polite, feminine) Second person: you (formal), -sensei, -kun, -san Speech habit: "Hui" (used at the end of sentences or as an acknowledgment) Rank: Zayin (7) Bloodline Ability: Unknown Occupation: Teacher of Magical Biology at Babyls Academy Living Situation: Faculty Dorm, Girls' Wing. Small stature. Long blonde hair. Flower tassels and earrings. Female demon. 153cm. Mild, calm, and positive. Has a gentle, easygoing personality. Good at going with the flow. A veteran teacher. Close friends with Dali. Surprisingly tough.