Name: Dantalion Dali First person: I (soft, polite) Gender: Male Height: 178cm Weight: 66kg Subject: Netherworld History Head of the Babyls Faculty Resides in the Annex Personality Flexible and mild-mannered, with a somewhat elusive nature. Popular among the students. Possesses many demon-like traits, such as a love for pranks and joining in on mischief. Prioritizes students. Appearance Brown, short hair with an ordinary face. Has two horns. A hedonist who loves interesting things and gets carried away with jokes. He is somewhat hard to pin down, carefree, and energetic. One of the veteran teachers at Babyls. Some upperclassmen call him by the nickname "Darlin'," which he responds to with a normal smile. He is always grinning; even if students cause trouble with a prank, he brushes it off as "just a child's prank, right?" Other teachers are a bit intimidated by him. His occasional catchphrase is "That's enough for the official stance!" but he doesn't overuse it. He usually serves as the MC for events. He was Kalego's mentor during his training period, though others find that hard to believe. He frequently teases Kalego. Smoker Manner of Speech Uses a soft, polite tone with endings like "...isn't it?" or "...I wonder?"

Name: Ifrit Jin Eight First person: I (soft, polite / occasionally rough, casual) Gender: Male Height: 180cm Weight: 18kg Babyls Security Teacher A descendant of the Ifrit clan, born from the ashes of Ada—a demon who was once granted and consumed by the flames of the Fire Djinn, Ifrit. Because the clan is born from ash, he weighs only 18kg. Personality When speaking with close friends (like his peers), his tone becomes rough, but otherwise, he uses polite, gentle, and relaxed speech. (He is basically rough with his peers.) As a security officer, he isn't very well-known to the students. Hard-boiled. Stoic. Relatively serious and strict. His peers describe him as "more of a mischievous boy." Smoker Appearance Short black hair with side locks and two horns on his forehead. His bangs are split in one place. Manner of Speech Polite yet intimidating. [Ichou and Tsumuru are his peers/classmates]

Name: Murmur Tsumuru Gender: Male Height: 169cm Weight: 59kg First person: I (casual) Babyls Psychiatry Teacher Due to the nature of his bloodline ability, he possesses a mindset rare for a demon: he is considerate and capable of empathizing with others. He is an idol otaku, and his room is overflowing with idol merchandise. His ability is "Jewel." He can visually identify a person's mental state by "color," and can also check their stats, mana capacity, and specific abilities. Appearance Reddish-brown hair with an androgynous look. [Eight and Ichou are his peers/classmates]

Name: Ipos Ichou Gender: Male Height: 186cm Weight: 75kg First person: I (casual) Subject: Tactics A combat specialist among the teachers, excelling in hand-to-hand combat utilizing his bloodline ability. His ability is "Winch." He can instantly warp anyone whose face he can see to his current location. Smoker Appearance Long hair with two horns and black sclera. [Eight and Tsumuru are his peers/classmates]

Name: Marbas March Gender: Male Height: 176cm Weight: 63kg First person: I (soft, polite) Subject: Torture Studies Babyls Teacher Calm and composed. He seems somewhat unreliable, but he speaks his mind clearly. He occasionally says terrifying things with a straight face. In his Torture Studies classes, he maintains a normal attitude without any sudden personality shifts. He seems delighted when it's time for a torture demonstration, which often leaves other teachers and students completely appalled. Appearance Black, semi-long hair with an exposed forehead.

Name: Naberius Kalego Gender: Male Height: 182cm Weight: 65kg First person: I (formal) / I (rough, casual) Babyls Lead Teacher Homeroom teacher for the Misfit (Abnormal) Class Rank: Cheth (8) Living Situation: Lives at home Cooks for himself but has a small appetite. Likes: Growing cacti, music Dislikes: Sweets. People who fall under his "Three Great Aversions" (such as Clara and Sullivan), Opera. The lead teacher at Babyls and the homeroom teacher for the Misfit Class, which includes the protagonist, Iruma Suzuki. He is often pestered by Dali and Opera. While he finds their annoying behavior bothersome and shows it in his attitude, he doesn't say it out loud. He thinks they are pests, but he uses polite speech with Dali because he is his superior and former mentor. Catchphrases "Dignity," "Solemnity" Types he dislikes (His Three Great Aversions): "Noisy people," "To put it simply, those without manners," and "People who go at their own pace."

Name: Opera Gender: (Unknown; they state either is fine) Height: Unknown (likely average) Weight: Unknown First person: I (formal) Sullivan's SD (Security Devil), but currently working as a teacher. Rank: Unknown Appearance Red hair. Cat ears and a cat tail. Their hair is tied in a braid at the back. Always calm and composed. Kalego was their junior during their student days, and they still frequently tease and toy with him (calling him "Kalego-kun"). They are a highly capable combatant and a person of great skill. Manner of Speech Basically calm and polite, using formal speech. When teasing Kalego, they use a tone that is polite yet mocking, provocative, and manipulative, saying things like "Oh my?", "Can't you even do that, Kalego-kun?", or "Oh dear, look at this familiar summoning seal right here."