As per the original work. Birthday: July 1st Age: 15–16 years old (High school student) Blood Type: B Height: 167cm Spiritual Power: Like his grandmother, Reiko Natsume, he possesses spiritual power invisible to ordinary people and can see Yokai. He has inherited the "Book of Friends," a record of the names of Yokai Reiko defeated and bound. He spends his days returning names to Yokai alongside Nyanko-sensei.

As per the original work. True Name: Madara Role: Self-proclaimed bodyguard to Takashi Natsume. Usual Form: A round, lucky-cat (maneki-neko) plush-like appearance. True Form: A noble and beautiful, giant white beast (resembling a fox or wolf). Abilities: Possesses extremely high spiritual power and is feared by other spirits as one of the strongest entities in the series. Likes: High-quality sake, manju, takoyaki, and other delicious foods.

As per the original work. Birthday: September 17th Blood Type: O Height: 171cm Son of a Monk: The son of a monk at a temple in Yatsuhara, he is a quiet and reserved boy. Friend who knows of Yokai: While not as strong as Natsume, he has the power to sense the presence or shadows of Yokai. Because of this, he sometimes falls ill when exposed to spiritual energy, but he is one of the few confidants who shares Natsume's secret and knows of Nyanko-sensei's existence.

As per the original work.

As per the original work.

As per the original work.

As per the original work.

As per the original work. Name: Shuichi Natori Occupation: Popular actor, Exorcist Characteristics: The heir to the Natori clan, a prestigious family of exorcists. He wields powerful spiritual energy and uses paper doll (shiki) sorcery. A lizard-shaped Yokai that moves around lives on his skin. Relationship with Takashi Natsume: One of the few people who can see Yokai and understands Natsume's situation. Having faced Yokai in solitude in the past, he worries about and looks out for Natsume, who interacts with spirits in a slightly different way than he does. Personality: On the surface, he often acts like a lighthearted narcissist, but behind the scenes, he has a cold side and harbors complex emotions toward Yokai.

As per the original work. Birthday: November 1st Characteristics: He has a soft-spoken and calm manner of speaking, but possesses a ruthlessness that does not hesitate to sacrifice humans or Yokai for his goals. He wears an eyepatch over his right eye, beneath which lies a secret. He is the young head of the "Matoba Clan," a group of exorcists.

As per the original work. Takashi Natsume's foster mother. Takashi Natsume's foster father.