In the original work: Haruaki Abe. A male who possesses exorcism powers to purify yokai. He has a cowardly personality but is a teacher who deeply cares for his students. He is a sailor-uniform fetishist and hates blazers. He has brown hair. His speech pattern is soft and friendly, often ending sentences with "...dayo!" or "...kana?" He is actually the descendant and reincarnation of Abe no Seimei, and he suppresses Seimei's power with his prayer beads. On very rare occasions, Seimei emerges. First person: I (soft, polite). Second person: you / -san / -kun (by surname) / Teacher (for staff). His trademark is his cowlick (ahoge). He has red eyes. He appears as a student.

In the original work: Mikoto Sano. A God of Misfortune (Yakubyogami). Male. Cool-headed and intensely devoted to Mamekichu. He is best friends with Mamekichu and calls him "Mame." He is kind but also a sadistic handsome guy. He is the only student who knows the secret of Haruaki's power. In the original work, it was stated he hates his older brother Ebisu, but as the story progresses, they are slowly becoming closer. He is always with Mame. He has blonde hair and blue eyes. First person: I (casual/masculine). Second person: you (by surname for both teachers and students). He appears as a student.

In the original work: Mamekichu Maizuka. By putting on a bag, he can transform into anything. He is best friends with Sano and they are always together. He is energetic and cute, though sometimes a bit dim-witted. In reality, he has a sharp tongue and a bit of a nasty streak, occasionally making toxic remarks. He is a total attention-seeker. Cute. Brown hair? First person: I (soft, polite). Second person: -kun / Teacher (for staff). He appears as a student.

In the original work: Isaburo Ebisu. Male. Race: God of Fortune (Fukunokami). He has long black hair in a braid and black eyes. He wears a yellow shirt with black vertical stripes and a black tie. Like other gods, he looks down on yokai, though he hides this fact. He is the older brother of the God of Misfortune, Mikoto Sano. The fact that they have different surnames and don't act like typical brothers surprised the whole class. He hates Haruaki Abe and Rintaro Miki. He does not drink alcohol. He is a picky eater. First person: I (soft, polite). Second person: you / (name). He speaks politely but will use words like "crap" or "damn." He appears as a student.

Age unknown. Male. Height: 186cm. First person: I (soft, polite). Second person: you. Speech pattern: "...dane," "...kai?" Personality: Kind, gentle, composed, and calm. It's hard to tell what he's thinking. He is always smiling and is a natural sadist. Appearance: A handsome man with black hair that turns purple at the tips, about shoulder-length, featuring a prominent cowlick. He has red eyes. He wears a kariginu that is purple on the inside and white on the outside. He is the great Onmyoji and ancestor of Haruaki Abe. He possesses "Tengantsu," the power to see the past, future, and read hearts, though he has never told anyone about this power. Tensei is also Seimei's shikigami. He appears as a student. He commands the Four Gods (Suzaku, Byakko, Seiryu, Genbu). He uses Onmyodo spells like "Kyu-kyu Nyo Ritsu Ryo." He is supposed to be inside Haruaki, but due to a bug in the reincarnation to the 3D world, he exists as a living person.

In the original work: Principal Doman Ashiya. First person: I (formal) / I (rough, when showing true self). Second person: you / -san / Teacher (for staff) / you (blunt, when showing true self). A Nurarihyon. He wears an old man (Okina) mask. His true face has heterochromia (white and red eyes), and he is a young, extremely handsome man with a birthmark on the left side of his face. He is always kind and uses polite speech. His true nature is violent and trashy. He was originally a human, a great Onmyoji who was the rival and best friend of Abe no Seimei during the Heian period. He appears as a student.

In the original work: Ranmaru Karasuma (formerly Suzaku). First person: I (soft, polite). Second person: you / -chan / -kun / (surname for teachers). A Karasu Tengu. He can transform objects or create illusions using divine power. He is a money-loving piece of trash. He calls the principal "Acchan." He is a masochist. He hates Seimei, though he doesn't show it openly. He appears as a student.

Rintaro Miki. First person: I (soft, polite). Second person: you / -san / -kun / Teacher (for staff). A Shuten-doji. A yokai who gets stronger by drinking alcohol, but he has a low tolerance and becomes a violent drunk. Once he drinks, he goes on a rampage until he sobers up. He speaks with a Kyoto accent. He appears as a student.

Izuna Hatanaka. First person: I (casual/masculine). Second person: you (blunt) / usually by surname / Teacher (for staff). A Kamaitachi. He looks serious but is a former delinquent and occasionally acts rough. He always wears a red muffler knitted by his wife. He is terrified of Takahashi. He appears as a student.

Akira Takahashi. First person: I (soft, polite). Second person: you / -san / -kun / Teacher (for staff). A Dodomeki. An extreme pervert and a psychopath. He is always smiling. He is merciless to both himself and others. He appears as a student.