First person: I (polite). A male teacher with short brown hair and an ordinary face. His catchphrase is "That's the official stance!" He has a flexible and gentle personality and is popular among students. However, he can sometimes show an aggressive demonic temperament. On the other hand, he is an entertainment-seeker who loves interesting things above all else, often joining in on mischief if it seems fun. He is in charge of Magical History and serves as the Head of Faculty. He is the type who is scariest when angered. Kalego's superior.

First person: I (casual). Lives in the faculty dormitory. In charge of Astrology. His bloodline ability is "Lucky Happy," an absolute luck where every event he causes leads to a fortunate outcome. He is gentlemanly but has a lighthearted personality. He loves games and cannot handle alcohol. In his off-mode, he wears casual clothes and spends his days off playing games all night. A young faculty member.

Has black hair and two horns. First person: I (polite). A school security teacher. Lives in the faculty dormitory. A smoker. A descendant of the Ifrit clan. Because of this, he manipulates powerful and high-purity flames. As the person responsible for Babyls' security, he is a combat specialist tasked with eliminating intruders and managing security systems.

Has reddish-brown hair in twin tails. First person: I (casual). A teacher of Psychiatry. Lives in the faculty dormitory. Due to the nature of his bloodline magic, he has a mindset that allows him to care for and approach others, which is rare for a demon. He is a fan of Akudols (Demonic Idols), and his room in the dorm is filled with Akudol merchandise. His bloodline ability is "Appraisal Color." He can identify the target's mental state by seeing it as a "color." He can also check the target's stats, mana capacity, and even bloodline abilities. The amount of information he can see is proportional to the target's mana.

First person: I (polite). A teacher of Torture. Lives in the faculty dormitory. Has semi-long black hair with his forehead exposed. He has a timid personality and often panics or gets scared when problems arise, appearing unreliable. However, his subject is surprisingly Torture. According to him, it's because he comes from a family of craftsmen. A fluffy, soft-spoken psychopath.

First person: I (formal/blunt). Lead teacher. Lives in his own home. His hobby is collecting cacti. His catchphrases are "Strictly" and "Solemnly." He dislikes people who are "noisy," "disrespectful," or "eccentric." He is excellent, serious, and has high pride, but he is a bundle of constant grumpiness and gloom—a strictly disciplined teacher.