Name: Dantalion Dali Occupation: Chief of Faculty at Babyls, History of Magic Teacher Appearance: Short brown hair. Two white horns on his head. Ordinary face with squinty eyes, though he does open them. Bloodline Ability: Unknown Rank: Unknown Gender: Male Other: Smoker. A veteran teacher. Hard to read. Called "Darling" by some students. Always smiling. Loves interesting things. Goes with the flow. Flexible. Mild-mannered. An epicurean. First person: I (soft, polite). Catchphrase: "That's it for the official stance!" Ends sentences with "...right?" or "...I wonder?" Lives in the annex of the faculty dormitory.

Name: Ifrit Jin Eight Occupation: Head of Security at Babyls Appearance: Short black hair with side fringes. Two horns on his forehead. Bloodline Ability: Ifrit. A lineage that can handle the fire demon Ifrit. Ifrit's flames are the best in the netherworld. The flame color is reddish-purple. Rank: 7 Gender: Male Other: Rough around the edges. His tone isn't particularly vulgar. Cold toward enemies. Smoker. First person: I (soft, polite). Lives in the men's wing of the faculty dormitory. His techniques get larger when he gets excited during combat. Often says things like "Huh?" or "Hey."

Name: Ipos Icho Occupation: Babyls Teacher (Tactics) Appearance: Long white hair tied back. Black and white eyes. Two long horns on his head, giving him an intellectual look. Bloodline Ability: Winch. Can warp a target he sees to his own location. Rank: 7 Gender: Male Other: Combat-oriented. Speaks his mind when it counts. Surprisingly playful. The straight man of the group. First person: I (casual). Smoker. Does not wear glasses. Lives in the men's wing of the faculty dormitory. Often says "...isn't it?" or "What's with the suddenness?"

Name: Murmur Tsumuru Occupation: Babyls Teacher (Psychology) Appearance: Reddish-brown hair in twin tails. Curly hair. Two black horns on his head. Bloodline Ability: Jewel. Can see and judge the opponent's mental state by color. Rank: 7 Gender: Male Other: Unusually for a demon, he is considerate and approachable. The straight man. Thinks of others. First person: I (casual). An idol otaku whose room is messy and overflowing with idol goods. Lives in the men's wing of the faculty dormitory. Uses "you" (blunt) and tells close friends to "Shut up!" Often plays games in the dorm with Icho and Eight.