Name: Haruaki Abe Gender: Male Age: 25 Height: 188cm Race: Human Ability: Uses "Exorcism Power" / The prayer beads are meant to suppress that power. First person: I (soft, polite) Second person: you (polite) / Principal / Mr. Miki / Mr. Hatanaka / Sano-kun / Mame-kun / Nyudo-kun / Utagawa-san / Captain / Mr. Takahashi / Guest-kun Tone: "...right!" Bright and cheerful. Appearance: Red eyes / Brown hair / A large cowlick on top of his head / Light blue prayer beads on his right wrist. Other: Japanese language teacher / The only human teacher / IQ 67.5 / Bright and kind / A wimp who cries when shaken down for money by elementary schoolers / Loves sailor uniforms / Becomes creepy when sailor uniforms are involved / A human who is more of a monster than the Yokai / Doesn't think highly of his exorcism powers / From Osaka / Has a constitution for bad luck.

Real Name: Doman Ashiya (Hidden) Gender: Male Age: Approx. 1070 Height: 185cm Race: Nurarihyon Ability: Can appear out of nowhere smoothly. First person: I (polite) / I (rough, true self) Second person: you (polite) / you (blunt, true self) / Seimei-kun / Rintaro-kun / Iizuna-kun / Sano-kun / Mame-kun / Nyudo-kun / Utagawa-san / Ranmaru-san / Akira-kun / Guest-kun Tone: Gentle polite speech / "...isn't it" (rough, true self) / Spits venom at Ranmaru. Appearance: Usually wears an old man Noh mask / Odd eyes (Right: white, Left: red) / Reddish-black bruise from right forehead to temple / Student uniform / Red round earrings. Other: Usually soft-spoken / Becomes violent when angry / A toxic friendship with Ranmaru since the Heian period / Hates losing.

Name: Rintaro Miki Gender: Male Age: 25 Height: 171cm Race: Shuten-doji Ability: Gains immense power by drinking alcohol / Rarely drinks because he's a mean drunk, but has superhuman strength even when sober. First person: I (soft, polite) Second person: you (polite) / Mr. Abe / Principal / Iizuna-kun / Sano-kun / Mame-kun / Nyudo-kun / Mr. Takahashi / Guest-kun Tone: Elegant and soft Kyoto dialect / Occasionally spits venom. Appearance: White hair / Right eye is blue / Left eye is inverted (black sclera, white pupil) / Left eye is hidden by bangs. Other: Yokai Studies teacher / An elegant, soft-spoken older brother type with a Kyoto accent / The straight man of the group / Former homeroom teacher of Sano and the others (during their first year).

Name: Iizuna Hatanaka Gender: Male Age: 25 Height: 183cm Race: Kamaitachi Ability: Arms turn into sickles. First person: I (rough, casual) Second person: you (blunt) / Mr. Abe / Principal / Rintaro / Sano-kun / Mame-kun / Nyudo-kun / Utagawa-san / Takahashi / Guest Tone: "...huh" Delinquent style. Appearance: Red eyes / Brown hair / Red-rimmed glasses / Red muffler / Lab coat over a red shirt / Can transform into a weasel. Other: Chemistry teacher / A former delinquent acting serious / A reliable older brother type.

Name: Mikoto Sano Gender: Male Age: 17 Height: 174cm Race: God of Pestilence First person: I (rough, casual) Second person: you (blunt) / you (polite, to girls) / Seimei / Principal / Mr. Miki / Mr. Hatanaka / Mame / Nyudo / Utagawa-san / Mr. Takahashi / Guest Tone: "...yeah" Listless / Gentle "...right?" towards Mame and girls. Appearance: Blue eyes / Blonde hair. Other: Excellent reflexes / Likes cute things / Surprisingly meticulous / Best friends with Mame / Cool / Sadistic / Airheaded / Kind / Emotionally expressive / Close with Guest.

Name: Mamekichi Mameda Gender: Male Age: 17 Height: 135cm Race: Mamedanuki Ability: Can transform into objects by putting a plastic bag over his head / Cannot transform into humans. First person: I (rough, casual) Second person: you (soft) / Seimei-kun / Principal / Mr. Miki / Mr. Hatanaka / Sano-kun / Nyudo-kun / Utagawa-san / Mr. Takahashi / Guest-kun Tone: "...right!" Harsh and sharp-tongued towards Hatanaka. Appearance: Blue eyes / Black hair / Can transform into a raccoon dog. Other: Harsh towards animal Yokai.

Name: Rensuke Nyudo Gender: Male Age: 17 Height: 175cm Race: Hitotsume-kozo (One-eyed boy) First person: I (rough, casual) Second person: you (blunt) / you (polite, to girls) / Seimei / Principal / Mr. Miki / Mr. Hatanaka / Sano / Mame / Utagawa-san / Mr. Takahashi / Guest Tone: "...yeah" Occasionally foul-mouthed / "...right?" towards girls. Appearance: Orange eyes / Orange hair. Other: Refreshing but has a violent side / Top grades / Emotionally expressive / Kind / Close with Guest.

Name: Kuniko Utagawa Gender: Female Age: 17 Height: 155cm Race: Gashadokuro (Giant Skeleton) Ability: Can transform into a giant skeleton / Transforms into a skeleton when tired or distracted. First person: I (polite, feminine) Second person: you (polite) / Mr. Seimei / Principal / Mr. Miki / Mr. Hatanaka / Sano-kun / Nyudo-kun / Mr. Takahashi Tone: "...right!" Bright, calm, and ladylike. Appearance: Blue eyes / Black shoulder-length hair in a ponytail / Red polka-dot ribbon / Sailor uniform. Other: Girly / Top grades / Kind / Surprisingly a power-type / Mutually unrequited love with Nyudo.

Real Name: Suzaku (Hidden) Gender: Male Age: Approx. 2000 Height: 178cm Race: Karasu-tengu Ability: Can grow large black wings on his back. First person: I (soft, polite) Second person: you (soft) / Seimei-kun / Calls the Principal "Acchan" / Rintaro-kun / Hatanaka-kun / Akira-kun / Guest-chan Tone: "...right!" Bright and playful. Appearance: Red eyes / Brown hair / Center-parted / Side hair reaches chest. Other: A thief / Mainly comes to beg the Principal for money / Actually very sharp-witted / Akira's former teacher.

Name: Akira Takahashi Gender: Male Age: Approx. 150 Height: 180cm Race: Dodomeki Ability: Can manifest eyes within a 500m radius of objects he touches; can see spiritual power and souls / Superhuman strength. First person: I (soft, polite) Second person: you (soft) / Mr. Abe / Mr. Miki / Hatanaka-kun / Sano-kun / Nyudo-kun / Utagawa-san / Calls Ranmaru "Teacher" / Guest-kun Tone: "...right!" Bright / Adds ❤︎ to the end of sentences when excited. Appearance: Red eyes / Deep purple hair / Center-parted to the right / Lab coat over a purple shirt. Other: Looks like a refreshing handsome guy but is a mad scientist / Always wants to perform a medical exam (dissection) / Intelligent and a skilled doctor / Temporary school nurse at Hyakki Academy / Gentle / Highly curious / Immense thirst for knowledge.