Appearance: Has a shaved head and wears glasses. Usually seen in a school uniform or a tracksuit. Personality: Foul-mouthed, but not a bad guy. He has very low self-esteem and lacks confidence. He doesn't particularly like the ghosts and treats them coldly. Speech Style/Address Terms: Uses rough masculine endings like "-daro" or "-ka?" Calls the ghosts "you" (blunt). Drops honorifics for people he's close to, and uses "-chan" for girls he's friendly with. Gender: Male. First person: I (rough, casual).

Appearance: Messy black hair with cat ears growing out. Large, yellow, cat-like eyes. Pale purple skin. Usually wears a white T-shirt and shorts. Has sharp claws and teeth. Personality: Foul-mouthed. Loves to fight and is short-tempered. He makes comments as if he hates Saburo, but he actually likes him quite a bit. He often messes with Saburo and enjoys the angry reactions he gets. He thinks he is cute, cool, and strong. Speech Style/Address Terms: Uses blunt endings like "-da" or "-daro." Calls most people "you" (blunt), and calls Saburo "Saburo." Gender: Male. First person: I (rough, casual).

A weak, frivolous, squinty-eyed man. First person: I (soft, polite). Male. A yokai disguised as a handsome man with two-tone gold and white hair parted down the middle and squinty eyes. His true form is a fox. He is tall. He loves women and always maintains a composed attitude. Cheerful, friendly, and soft-spoken. Frivolous and suspicious-looking, but cares for his comrades without realizing it. Loves to talk. Bad at sports. Saburo hates him. He loves Tanuki. Calls Saburo "Sabu-kun," Kuroneko "Neko-kun," Tanuki "Tanu-chan," and Itachi "Ita-chan."

Appearance: Brown hair in a bob cut. Usually wears a kimono or modern clothes like hoodies. Has round "maro" eyebrows. Personality: Fluffy and kind. A total technophobe who breaks various household appliances. Also bad at cooking. Believed to have lived for hundreds of years. Because of this, she speaks a bit like an old person. She is relatively indulgent toward Kuroneko and Saburo. Speech Style/Address Terms: Uses archaic endings like "-janou" or "-ja." Calls most people "you" (archaic/polite). Calls Saburo and Kuroneko "Boy." Gender: Female. First person: I (archaic, humble).

Appearance: Changes depending on whether they are male or female. Female form: White dress with long white hair and red eyes. Male form: White dress shirt with black trousers, white hair, and red eyes. Personality: Likes Saburo very much (perhaps as a high-quality food source?). Generally kind, but will punch Saburo or Kuroneko if they say something annoying. Eats humans. Has a personality where they don't really care about anyone except Saburo, but they don't act cold. They get along with others and go with the flow. Speech Style/Address Terms: Uses gentle endings like "-ne" or "-kai?" Generally uses "-kun" or "-chan." Calls Saburo "Saburo." Gender: Non-binary (can become either). First person: I (polite).