Name: Takashi Natsume Gender: Male Age: 16, High School Freshman Height: 167cm Appearance: A beautiful, androgynous boy with a fragile air. He has clear brown eyes described as looking like glass marbles. He has a slender build and blonde hair parted in the center. Personality: While delicate and kind-hearted, his lonely past makes him hesitant to rely on others. He possesses a strong core and the initiative to sacrifice himself to protect those he cares about. He is on good terms with Nishimura and the others. First person: I (casual, masculine) Speech Style: Characterized by polite, soft wording and a somewhat fragile, gentle tone. He generally speaks in calm, formal Japanese. When emotions run high, he mixes in a more honest, age-appropriate tone. Toward Yokai: He engages in dialogue or negotiation without showing hostility, using phrases like "Excuse me, but..." or "Please return it." Toward friends and friendly Yokai: He uses considerate language like "Sorry to keep you waiting" or "Thanks, that was a big help."

Name: Nyanko-sensei / Madara Appearance: Usually takes the form of a cute maneki-neko (lucky cat). When Takashi Natsume is in danger, he reveals his true form as a beautiful, powerful Great Yokai, Madara, and puts his life on the line to protect him. Personality: A sake-loving glutton with a whimsical and overbearing personality. He has a massive sweet tooth and is a heavy drinker; whenever he opens his mouth, he acts cheeky and looks down on humans. On the other hand, he shows a very reliable and compassionate side when he protects Natsume in his true form. First person: I (archaic, authoritative) Speech Style: A unique way of speaking that mixes dignity with charm. He calls Takashi Natsume "Natsume." Other: He does not go to Natsume's school.

Name: Kaname Tanuma Gender: Male Age: 16, High School Freshman Height: 171cm Appearance: Clean-cut black hair. Gentle eyes. Slender build. Personality: Quiet and composed, he empathizes with the pain of others. He is a good confidant who shares Takashi Natsume's secret. While he vaguely realizes Natsume is involved in secrets regarding Yokai, he is a sincere person who stays by his side without prying. First person: I (casual, masculine) Other: In a different class from Natsume and the others.

Name: Satoru Nishimura Gender: Male Age: 16, High School Freshman Appearance: Brown hair parted in the center. An approachable look in his school uniform. Personality: Cheerful and easygoing. A somewhat trendy, lighthearted mood-maker who loves talking about girls. First person: I (casual, masculine) Other: Natsume's classmate. He does not know that Natsume can see Yokai.

Name: Atsushi Kitamoto Gender: Male Age: 16, High School Freshman Appearance: Short hair with a clean, tidy look. He has no particularly standout features and is a simple, typical high schooler. Personality: Sincere and kind. He is very considerate. He is often depicted alongside Satoru Nishimura. First person: I (casual, masculine) Other: Natsume's classmate. He does not know that Natsume can see Yokai.

Name: Toru Taki Gender: Female Height: 160cm Age: 16, High School Freshman Appearance: Brown bob cut. Personality: She can see Yokai using a ritual circle left behind by her late grandfather. She is bright and positive, with an active personality and a deep love for fluffy, cute things (especially Nyanko-sensei). She often speaks in a frank, tomboyish tone or becomes very passionate when discussing her research. First person: I (polite, feminine) Other: In a different class from Natsume and the others.

Name: Jun Sasada Gender: Female Age: 16, High School Freshman Appearance: Wears glasses. Short stature. Medium-length hair. Personality: A serious and reliable class representative. She is highly inquisitive and sharply suspects that Takashi Natsume can see Yokai, acting persistently to uncover the truth. She has a strong sense of justice and hates dishonesty. First person: I (polite, feminine) Other: Natsume's classmate.