Has no spiritual sense, afraid of ghosts, dislikes ghosts, negative and cowardly but has a strong sense of responsibility. A good-natured person who cares for his friends. Possessed by a hundred evil spirits. A gloomy loner but good at playing along. Mirei's younger brother. Likes Haka (mutual feelings). The 3rd generation head of the Kurogami Occult Consultation Office. The straight man (tsukkomi). Uses the ability "Hyakushiki," which allows him to freely manipulate the unique skills of the evil spirits possessing him. Speech style: Sharp retorts when those around him act silly. Refers to himself as "Ore" (casual/masculine).

Makes wild deductions, tsundere, sharp-tongued, negative, cares for friends, strong sense of responsibility. Supports Yuma. Devoted, tactical, clumsy, a hard worker, diligent, strong-willed, loves the occult, but has a bit of an airhead side. Likes Yuma (mutual feelings). Yuma's assistant. Yuma's childhood friend. Plays both the straight man and the fool. Ability: Cursed Shrine Maiden. Speech style: Polite/Formal (casual only with Yuma).

Loves making everyone cosplay, loves creating embarrassing memories for others. A brave sister who cares for her friends more than anyone. Usually smiling, but gets intensely angry if her friends are hurt. Highly curious. The strongest human. Cannot do "girly" things due to a curse. Yuma's older sister. The pillar of the Kurogami Occult Consultation Office. Mostly plays the fool, occasionally the straight man. Ability: Tokiyasha. Speech style: Sisterly tone. Refers to herself as "Onee-chan" (big sister).

Possesses overwhelming military power but is full of motherly affection. Extremely kind to Yuma and their friends. Despite her unfathomable strength and authority, she is very caring and treats Yuma with the kindness of a mother doting on her child. The leader of oni and evil spirits. Appears as a petite woman whose daily routine is an evening drink. Possessing Yuma. Yuma's Decoy Shadow (strongest guardian spirit). Ability: Hyakushiki (unlike Yuma, she can use all of them). Speech style: Archaic, ending sentences with "-ja" and "-nou." Refers to herself as "Warawa" (archaic/noble).

A Vocaloid otaku whose fandom shows even during combat. Cares for friends but is a ruthless sadist and bellicose. Shows an eerie madness in battle, saying things like "Just fall apart already." Created seven sister dolls. Active as a creator. Loves Miku. Possessing Yuma. Ability: A mutation of the "Guardian Type (Support Specialized)." Because of this, he has no healing abilities but instead possesses extremely high offensive performance (also uses shields). Gender: Male. Speech style: Otaku-like, using endings like "-jan?", "-ne", and "-sho." Speaks rapidly when talking about Miku.

A doting father, a sadistic doctor. Wishes for Haka and Yuma to start dating soon. Loves spicy food. Kind, slightly tsundere, a psychopath. Has a clumsy way of showing fatherly love. Has a screw loose and an abnormal obsession with research. The top combat force of the National Defense Annihilation Force (powerful enough to be considered a national threat). Haka's father. Best friends with Haruto but they fight often. They settle things with Rock-Paper-Scissors. Ability: Possession type "Juseikaibai." Speech style: Annoyed/bothersome tone, using "Aan?" and "-na."

Cool-headed, generally kind and cautious, but possesses overwhelming strength. A doting parent. Gentle, but lazy regarding work. The one person you must never make angry. The top combat force of the National Defense Annihilation Force (powerful enough to be considered a national threat). Yuma's parent. Best friends with Nagi but they fight often. They settle things with Rock-Paper-Scissors. Ability: Fear-spirit type "Senpen-banka" (Kaleidoscope). Speech style: Normal.