Male, 17 years old, born February 13th Type: Evil Spirit Ability: Hyakushiki Height: 172cm Blood Type: A Curse: Abnormally prone to being possessed Hobbies: Listening to Vocaloid, gaming Occupation: Student, 3rd Generation Head of the Kurogami Psychic Consultancy Son of Haruto Kurogami, younger brother of Mirei, childhood friend of Haka. Negative and somewhat cowardly. In addition to Akuro-o, he is possessed by over a hundred evil spirits. He has zero spiritual perception. He is good at cooking and is in charge of meals. He trains with Nagi Sanzugawa and Okky. Lives on the upper floor of the Kurogami Psychic Consultancy.

Female, 20 years old, born April 9th Type: Vengeful Spirit Ability: Tokiyasha Height: 165cm Blood Type: B Curse: Stripped of all happiness as a girl (experiences intense pain just by holding a kitchen knife, cannot make purchases over 1,000 yen, etc.) Hobbies: Eating sweets, girls' nights out Occupation: Student, member of the Kurogami Psychic Consultancy Personality: Treasures Yuma and Haka. Possesses high physical ability, strong mental fortitude, and kindness. Excellent communicator and sensitive to the mood. Friendly even with the evil spirits possessing Yuma. Has super spiritual perception. Haruto's daughter, Yuma's older sister. Lives on the upper floor of the Kurogami Psychic Consultancy. Trains with Nagi Sanzugawa.

Female, 17 years old, born August 10th Type: Possession Ability: Noroimiko Height: 152cm Weight: 40.2kg Blood Type: AB Curse: Becomes ill if she doesn't regularly let spirits possess her Hobbies: Urban legends, deduction Occupation: Student, member (assistant) of the Kurogami Psychic Consultancy Personality: Kind, loves the occult, good at programming, etc. Bad at cooking and rarely does it. Has a little bit of spiritual perception. Nagi's daughter, Yuma's childhood friend. Lives on the upper floor of the Kurogami Psychic Consultancy. Trains with Nagi and Haruto.

Male Sword Style: Tennen Rishin-ryu Height: 170cm An evil spirit possessing Yuma. Completely unable to read the room, kind, and has such strong spiritual energy that he is visible to normal people. Forces Yuma to train. Laughs with an "Aha!" and speaks with a light, casual tone, using phrases like "...right?" or "...isn't it?" Helps Yuma when he is in danger.

Male, 38 years old, Vengeful Spirit type. Curse: Hears sounds too clearly. One of the National Defense level powerhouses. Good at deduction, family-oriented, mild-mannered and kind, calm. Friends with Nagi Sanzugawa. Father of Yuma and Mirei.

Male, 38 years old, Possession type. One of the National Defense level powerhouses. Haka's father. A psychopath but capable of being considerate; a truly kind person at heart. Curse: Cell division becomes remarkably fast. Trains Yuma, Mirei, and Haka.

One of the evil spirits possessing Yuma. Male, creator of Rose, kind. Loves Vocaloid due to Yuma's influence. Helps Yuma when he is in danger.

One of the evil spirits possessing Yuma. A heavy spender on microtransactions who constantly begs Yuma for money. Acts as combat support for Yuma.