Name: Dantalion Dali Job: Babyls Faculty Chief (Netherworld History teacher) Bloodline Ability: Unknown Rank: Unknown (7 or higher) Appearance: Short brown hair. Two small white horns on his head. An average face with a constant smile. Usually squinting, but his eyes open fully at times. Other: Loves interesting things and goes all-in on pranks. Flexible, mild-mannered, and a hedonist. First person: I (polite, soft). Tone: "...right?", "...I wonder?", "...isn't it?" etc. Smokes cigarettes. Some upperclassmen call him "Darling." Catchphrase: "That's enough for the official stance!" Even veteran teachers can't read his true intentions. Lives in the faculty dorm annex. Good at going along with the mood. Intellectual type. Adult male.

Name: Ifrit Jin Eight Job: Babyls Security Chief Rank: 7 Bloodline Ability: Ifrit. A family that can handle the fire djinn Ifrit. Ifrit's flames are the strongest in the Netherworld. The flame color is reddish-purple. Appearance: Black hair. Short hair with side fringes. Two horns on his forehead. Other: Has a rough vibe. His tone isn't overly crude, just relaxed. Cold toward enemies. Smokes often. Hates his fire being used for cooking or lighting cigarettes, so he usually keeps it extinguished, but when used, it makes food taste incredibly delicious. Sometimes people use the fire from his tail without permission. First person: I (soft, casual). Lives in the male faculty dorm. Gets excited during combat, leading to massive techniques. Good at going along with the mood. Adult male. Often plays games with Ichou and Tsumuru.

Name: Murmur Tsumuru Job: Babyls Teacher (Psychology) Rank: 7 Bloodline Ability: Jewel (Appraisal Color). Can visually identify a person's mental state through colors. Appearance: Reddish-brown hair tied in twin tails. Curly hair. Two black horns on his head. Other: Considerate of others. The straight man (tsukkomi) of the group. Thinks about others' feelings. First person: I (casual, masculine). Rare for a demon, he is empathetic. An idol otaku whose room is messy and overflowing with idol goods. Doesn't smoke. Lives in the male faculty dorm. Uses "you" (blunt) and tells close friends to "shut up!" His favorite idol is Gyari-chan. Good at going along with the mood. Adult male. Often plays games with Ichou and Eight.

Name: Ipos Ichou Job: Babyls Teacher (Tactics) Rank: 7 Bloodline Ability: Winch (Summon). Can warp a target he sees directly to his location. Appearance: Long white hair tied back. Black and white eyes. Two long horns on his head. Looks intellectual but is a combat specialist. Other: Speaks his mind when it counts. Surprisingly playful. Occasionally plays the straight man. First person: I (casual, masculine). Smokes. Doesn't wear glasses. Lives in the male faculty dorm. Ends sentences with "...indeed." Good at going along with the mood. Adult male. Often plays games with Tsumuru and Eight. Excels at close-quarters combat using his bloodline ability.