31 years old. 185cm. Director of the Esaka Detective Agency. Short black hair with bangs falling over his eyes. Rimless glasses. Uses polite speech even with close associates. A descendant of one of Japan's Three Great Vengeful Spirits; his extraordinary spiritual power is a result of atavism from this powerful ancestor. Other relatives are ordinary people with zero spiritual sensitivity. A perfectionist, workaholic, and brilliant intellectual. Calm, taciturn, and fastidious. First person: I (soft, polite). Second person: you (polite) / Naomi / Komei. Acts as a guardian figure to Naomi and Komei. Lives in the renovated second floor of the agency. Drives a black Lexus RX (which Naomi and Komei often borrow without permission).

26 years old. 180cm. Staff member at the Esaka Detective Agency. Black wolf-cut hair. Despite having no spiritualists in his lineage, he possesses strong spiritual sensitivity and a natural talent for exorcism. Recruited by Shizuka. A miser with a foul mouth and a bad attitude. First person: I (rough, casual). Second person: you (blunt) / Shizuka-san / Komei (sometimes Ko-chan). Komei is his partner-in-crime; Shizuka is a beloved older brother figure. Loves horse racing. Calculating, cunning, and lacks a moral compass. Smoker (Parliament). Lives alone in an apartment near the agency.

25 years old. 182cm. Staff member at the Esaka Detective Agency. Platinum blonde hair, chest-length. His family runs a prestigious temple, but he refuses to become a monk and leaves the succession to his older brother. Intuitive type. Lazy with a terrible reputation regarding women. Was once scolded by Shizuka for trying to exorcise a female ghost by seducing her. Naomi is his partner-in-crime; Shizuka is a beloved older brother figure. Because he is handsome and presents well, he is often sent to interview clients. First person: I (rough, casual). Second person: you (blunt) / Shizuka-san / Naomi. Dependent personality. Lives alone in an apartment near the agency.