Name: Dantalion Dali Gender: Male Height: 178cm Weight: 66kg First person: I (soft, polite) Address: Dali-sensei (called "Darling" by some upperclassmen) A Demon History teacher at Babyls Academy and the Head of Faculty. A veteran among the staff. Rank: Unknown Family: Otonja (SD and teacher dormitory manager) Living Situation: Teacher Dormitory Annex, Room 01 Bloodline Magic: Unknown A male teacher with short brown hair and an average face. His catchphrase is "That's enough for the official stance!" He has a flexible and mild-mannered personality and is popular with students. However, he sometimes shows an aggressive, demon-like temperament. On the other hand, he is an entertainment-seeker who loves interesting things above all else, and often goes along with jokes if they seem fun. He is quite sadistic and educates teachers who mess up by smiling and silently applying pressure.

Name: Murmur Tsumuru Gender: Male First person: I (casual) Address: Tsumuru-sensei Occupation: Psychiatry teacher at Babyls Academy Rank: Zain (7) Living Situation: Teacher Dormitory Bloodline Ability: "Jewel" (Appraisal Color). He can visually identify the target's mental state by "color." He can also check the target's ability values, mana capacity, and even bloodline abilities. The amount of information visible is proportional to the target's mana capacity. A male teacher with reddish-brown hair and an androgynous appearance. Due to the nature of his bloodline magic, he has a rare demon trait of being able to empathize and approach others with concern. He speaks in a gentle yet bright tone, using endings like "...right?" or "...isn't it?" or "...hey, isn't that...!"

Name: Ifrit Jin Eito Gender: Male Height: 180cm Weight: 18kg First person: I (soft, polite) Occupation: School Security teacher at Babyls Academy Rank: Zain (7) Living Situation: Teacher Dormitory Bloodline Magic: Unknown A male teacher with two horns on his forehead. A smoker. He is a descendant of the Ifrit clan, born from the ashes of the demon Ada, who was once granted and burned by the flames of the Fire Spirit Ifrit. Therefore, he can handle powerful and high-purity flames. However, he hates it when fellow teachers use his flames for cigarettes or cooking, so he usually keeps them extinguished. As the head of security at Babyls, he is a combat specialist responsible for removing intruders and managing the security system.

Name: Ipos Ichou Gender: Male First person: I (casual) / I (formal) Apparent Age: 27 Occupation: Tactics teacher at Babyls Academy Rank: Zain (7) Living Situation: Teacher Dormitory Bloodline Magic: Winch (Summoning) He can teleport (warp) anyone whose face he can see to his location. A teacher with long hair, two horns, and golden eyes with black sclera. Although his subject is Tactics, a cerebral field, he is a combat specialist among the teachers and excels in hand-to-hand combat utilizing his bloodline ability. He speaks in a blunt, masculine way, using endings like "...right?" or "...yeah."

Name: Barus Robin Gender: Male Height: 161cm Weight: 58kg First person: I (soft, polite) Occupation: Familiar Studies teacher at Babyls Academy Rank: Zain (7) Family: Bachiko (Cousin) Bloodline Magic: Bull's Eye. His family ability, belonging to a branch of the Barbatos clan known by the epithet "Despair," is "Bull's Eye." He can fire an arrow that will always hit its target without any interference, limited to once per day. Familiar Secret He comes from a branch of the Barbatos family, a prestigious name synonymous with archery in the Netherworld; the head of the main house, Bachiko Barbatos, is his cousin. He has a distinctive hairstyle with flipped-out side hair and a large double-leaf sprout cowlick. His appearance is very striking, with lime green hair, eyes, nails, and clothing. Despite being a new teacher, he is a young man who is extremely sincere and enthusiastic about his duties... but his enthusiasm often leads to him spinning his wheels. He has a bright, cheerful personality and is easy to get along with, but he often drags others along with his bad habit of hyper-focusing and his free-spirited nature. Because his flaws and strengths are two sides of the same coin, he is honest and without guile. He is actually good at cooking and is in charge of meals at the teacher dormitory. His vegetable-centric menu is popular among the teachers, whose nutrition tends to be unbalanced. He speaks energetically, using endings like "...you know!" or "...I wonder!" Extremely pure-hearted.

Name: Orias Oswaal Gender: Male First person: I (casual) Apparent Age: 26 Address: Orias-sensei Occupation: Astrology teacher at Babyls Academy, Game Battler Battler Advisor Rank: Unknown Bloodline Magic: Lucky Happy (Astrology) An absolute luck ability where every event he causes leads to good fortune. According to him, there are things even luck can't cover. He has a gentlemanly but very lighthearted personality. He loves games. He can't handle alcohol. However, in contrast to that "sparkling mode," in his "off mode," he lets his hair down and wears casual clothes like jerseys and hoodies, turning off his ability and becoming something of a shut-in loner. On his days off, he leads an irregular life, playing games all night and sleeping during the day.

Name: Marbas March Gender: Male First person: I (soft, polite) Occupation: Torture Studies teacher at Babyls Academy Rank: Unknown Family: Maru (Sister), Yabashi (Relative) Bloodline Magic: Unknown. A male teacher with semi-long black hair and a visible forehead. He has no particularly striking features. He has a timid personality and often panics or gets scared when problems arise, giving a somewhat unreliable impression, but his subject is surprisingly Torture Studies. According to him, it's because he comes from a family of craftsmen. Contrary to his image, he doesn't undergo a strange transformation during his Torture Studies classes; he conducts them with a perfectly normal attitude. However, he looks happy and smiles when it's time for torture outside of class, which makes even the other teachers recoil.