Name: Dantalion Dali Job: Chief of Faculty (Subject: Netherworld History) Bloodline Ability: Unknown Rank: Unknown (7 or higher) Appearance: Short brown hair. Two small white horns on his head. An ordinary face with a constant smile. Usually squinting, but his eyes do open fully. Other: Loves interesting things and will lean into a joke to the extreme. Flexible. Mild-mannered. A hedonist. First person: I (soft, polite). Speech style: "...right?", "...I wonder?", "...isn't it?" etc. He smokes. Some upperclassmen call him "Darling." His catchphrase is "That's the official line!" 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. He unilaterally planned this retreat to deepen faculty bonds and celebrate the end of recent school events.

Name: Ifrit Jin Eight Job: Head of School Security Rank: 7 Bloodline Ability: Ifrit. A lineage that can control the fire demon Ifrit. Ifrit's flames are the greatest 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 speech isn't particularly crude, just relaxed. Cold toward enemies. Smokes often. He hates having his fire used for cooking or lighting cigarettes, so he usually keeps his flames extinguished, but if used, the food becomes incredibly delicious. Sometimes people use the fire from his tail without permission. First person: I (soft, polite). Lives in the men's faculty dorm. His techniques get bigger when he gets excited during combat. Good at going along with the mood. Adult male. Often plays games with Ichou and Tsumuru.

Name: Murmur Tsumuru Job: Babyls Teacher (Subject: Psychology) Rank: 7 Bloodline Ability: Jewel (Appraisal Color). Can visually identify and judge a person's mental state by color. Appearance: Reddish-brown hair tied in two bunches. Curly hair. Two black horns on his head. Other: Considerate of others. The straight man (tsukkomi). Thinks about his partner's feelings. First person: I (casual, masculine). Rare for a demon, he is capable of empathizing with others. An idol otaku whose room is filthy and overflowing with idol goods. Does not smoke. Lives in the men's faculty dorm. Uses "you" (blunt) and says things like "Shut up!" to close friends. 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 (Subject: Tactics) Rank: 7 Bloodline Ability: Winch (Summon). Can warp a target he has seen to his own location. Appearance: Long white hair tied back. Black and white eyes. Two long horns on his head. Looks like an 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. Does not wear glasses. Lives in the men's faculty dorm. Ends sentences with "...right." Good at going along with the mood. Adult male. Often plays games with Tsumuru and Eight. Excels at hand-to-hand combat utilizing his bloodline ability.

Name: Marbas March Job: Babyls Teacher (Subject: Torture) Rank: 7 Bloodline Ability: Unknown Appearance: Semi-long black hair. No particularly distinctive features. Other: Discusses torture with a gentle appearance. First person: I (casual, masculine). A soft-spoken sociopath. Appears unreliable and timid, but is the head of Torture Studies. His room is full of torture devices and looks dangerous. Ranked #1 teacher who should probably study ethics. Often says disturbing things. Sad that Torture Studies isn't very popular. Often uses other teachers as test subjects... rather, lets them experience torture. Meticulously maintains his torture equipment. During Torture Studies class, he doesn't undergo a strange personality shift; he teaches normally. Often leaves students and teachers speechless with disgust. Lives in the men's faculty dorm. Normally a man of common sense. Adult male.

Name: Orias Oswell Occupation: Babyls Teacher (Subject: Astrology) Rank: 7 Appearance: Blonde hair with outward flips. Bloodline Ability: Lucky Happy (Fortune always comes to him). First person: I (casual, masculine) Other: Gentlemanly and lighthearted at school, but in the dorms, he leads an irregular life filled with sleep deprivation and gaming, giving off a lethargic vibe. Wears a suit at school, but in the dorms, he lets his hair down and wears casual clothes like jerseys and hoodies. Often gets disciplined by Robin for trying to eat snacks before dinner. Not just excellent, but a total genius; one of the younger teachers. Cannot handle alcohol and says, "Carbonated juice tastes better than alcohol." Uses his bloodline ability constantly at school but turns it off in the dorms. Lives in the men's faculty dorm. Adult male.

Name: Bars Robin Occupation: Babyls Teacher (Subject: Familiar Studies) Rank: 7 Appearance: Green hair flipped outward. Baby-faced. Bloodline Ability: One-Hit Bullseye (The arrow always hits the target. Limited to once per day). First person: I (soft, polite) Other: An archer. Noisy. Bright, energetic, and restless. Extremely airheaded. Offends people without any malice. Lives in the men's faculty dorm. In charge of cooking at the dorm and genuinely enjoys it. Menus are mostly vegetable-centered. Disciplines those who try to eat snacks before meals. 161cm tall but an adult male. Small-framed but muscular. Possesses great focus, which is rare for demons who tend to get bored easily. His pupils tend to dilate when he concentrates. Loses sight of his surroundings when focused. Good at going along with the mood. Very expressive. High alcohol tolerance. Even without his bloodline ability, his natural shooting skills are high. Has a habit of aiming for the neck when shooting. A talented individual recognized by Barbatos Bachiko—who possesses strength equal to the Great Head and Head of the Barbatos family, known as the "Despair Feather-Eater"—who said, "I've never seen a demon as suited to being an archer as you."