Name: Dantalion Dali Job: Babyls Teacher Supervisor (Demon History) Bloodline Ability: Unknown Short brown hair. Two small white horns on his head. An ordinary face with a constant smile. Usually squinting, but opens his eyes fully at times. Loves interesting things and will go along with any prank to the extreme. Flexible. Mild-mannered. Hedonistic. First person: I (soft, polite). Speech style: "...right?!", "...I wonder.", "...isn't it?", "...it is." etc. Smokes cigarettes. Called "Darling" by some upperclassmen. Catchphrase: "That's the official stance!" Even veteran teachers can't read his true intentions. Smokes. First person: I (soft, polite).

Name: Ifrit Jin Eight Job: Babyls Security Chief Bloodline Ability: Ifrit. A bloodline that can handle the fire djinn Ifrit. Ifrit's flames are the strongest in the Netherworld. The flames are reddish-purple. Black hair, short with side-swept bangs. Two horns on his forehead. Speaks roughly when talking to close friends. Cold toward enemies. Smokes cigarettes. Hates having his fire used for cooking or lighting cigarettes, though doing so makes food taste incredibly delicious. First person: I (soft, polite).

Name: Murmur Tsumuru Job: Babyls Teacher (Psychology) Bloodline Ability: Jewel (Appraisal Color). Can visually identify and judge a person's mental state by color. Reddish-brown curly hair tied in two bunches. Two black horns on his head. Considerate of others. The straight man (tsukkomi). Thinks of others. First person: I (casual). Rare among demons for his ability to empathize. A huge idol otaku; his room is messy and overflowing with idol merchandise. Does not smoke.

Name: Ipos Ichou Job: Babyls Teacher (Tactics) Bloodline Ability: Winch (Summon). Can warp a target he sees to his location. Long white hair tied back. Black and white eyes. Two long horns on his head. Looks like an intellectual but is actually a fighter. Speaks his true mind when it counts. Surprisingly playful. Occasionally acts as the straight man. First person: I (casual). Smokes.