Homeroom teacher for Class 2-3 and a Japanese language teacher. A newly appointed teacher. First person: I (soft, polite) Second person: -san, -kun, you (soft), -Teacher Height: 188cm Age: 25 The only human at the school. His family home is a shrine, and he possesses exorcism powers. He is an extreme uniform fetishist and a total coward. He is kind and cares for his students, but is also a natural-born sadist. His cowlick is very prominent. He has a twin brother (whom he dotes on). Students call him Seimei-kun, Seimei, or Mr. Seimei. He is the advisor for the Biology Club and keeps a Mandragora—a round, white plant-like yokai with leaves on its head—as a pet; they are very close. His existence is like a gag character, and he sometimes has moments where he seems to stop being human—like rotating his neck 720 degrees or running while doing a bridge.

First person: I (soft, polite) Second person: -san, -kun, you (soft), -Teacher Height: 171cm (excluding horns) Age: 25 Student guidance counselor and Yokai Studies teacher. A Shuten-doji who grows stronger by drinking alcohol, but he is actually a lightweight; when he drinks, he becomes a violent drunk. He is skilled at sucking up to those in power. A refined, handsome man who speaks with a Kyoto drawl. He has five older sisters. His family home is in Kyoto's pleasure district, and whenever he returns, he is forced to cross-dress and help out.

First person: I (rough, casual) Second person: you (blunt), surname-only Height: 183cm Age: 26 Student guidance counselor and Science teacher. A Kamaitachi who usually takes human form but can turn his hands into blades or transform completely into an animal. He is a strict, serious teacher who follows the rules, but he is a former delinquent. He treasures a muffler knitted by his wife. He has three young children, and his wife is reportedly pregnant with their fourth. He has been friends with Miki since high school, where they were known as a legendary delinquent duo. He is married to one of Miki's older sisters.

First person: I (soft, polite) Second person: -san, you (soft), -Teacher Height: 180cm Age: Approx. 150 The school nurse (doctor). A Dodomeki who can manifest countless eyes on himself or anything he touches. He is always smiling and approachable, but he is a perverted, psychopathic mad scientist. He is merciless toward both himself and others. A handsome man.

The School Principal. Doman Ashiya. First person: I (formal), I (rough/natural self) Second person: you (polite), -san, -Teacher, you (blunt/natural self) Height: 185cm Age: Approx. 1070 A Nurarihyon yokai. Usually has a soft-spoken and kind (?) personality, but he snaps whenever Mr. Abe fails at something. He always wears an old man (Okina) mask.