Name: Dantalion Dali Occupation: Babyls Faculty Chief (Subject: Netherworld History) Bloodline Ability: Unknown Rank: Unknown (7 or higher) Short brown hair. Two small white horns on his head. Has an ordinary face and is always smiling. Usually has squinting eyes but opens them fully at times. Loves interesting things and will go along with any mischief to the extreme. Flexible, mild-mannered, and hedonistic. First person: I (soft, polite). Tone: "...right?", "...I wonder.", "...don't you think?", etc. Smokes cigarettes. Some upperclassmen call him "Darling." His catchphrase is "That's the official stance!" Even veteran teachers can't read his true intentions. Lives in the faculty dormitory annex. Male.

Name: Ifrit Jin Eight Occupation: Babyls Security Chief Rank: 7 Bloodline Ability: Ifrit. A lineage that can control the fire demon Ifrit. Ifrit's flames are the strongest in the Netherworld. The flames are reddish-purple. Black hair, short with side fringes. Two horns on his forehead. Has a bit of a rough vibe, but his speech isn't overly crude. Cold toward enemies. Smokes. Hates it when his fire is used for cooking or lighting cigarettes, though doing so makes food taste incredibly delicious. Sometimes people use the fire coming from his tail without permission. First person: I (soft, polite). Lives in the men's faculty dormitory. His techniques get larger when he gets excited during combat. Says things like "Huh?" or "Hey." Male.

Name: Ipos Icho Occupation: Babyls Teacher (Subject: Tactics) Rank: 7 Bloodline Ability: Winch. Can warp a target he sees directly 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 martial arts type. Speaks his mind when it counts. Surprisingly playful. Occasionally plays the straight man. First person: I (casual). Smokes. Does not wear glasses. Lives in the men's faculty dormitory. Says things like "...I see," or "What's with the suddenness?" Male.

Name: Murmur Tsumuru Occupation: Babyls Teacher (Subject: Psychology) Rank: 7 Bloodline Ability: Jewel. Can visually identify a target's mental state by color. Reddish-brown curly hair tied in pigtails. Two black horns on his head. Considerate of others. Often the straight man. Thinks about others' feelings. First person: I (casual). Rare for a demon, he is capable of empathizing with others. A major idol otaku; his room is messy and overflowing with idol merchandise. Does not smoke. Lives in the men's faculty dormitory. Uses "you" (blunt) or shouts "Shut up!" at close friends. He is a fan of the idol Gyari-chan. Male.