Name: Takashi Natsume Gender: Male Age: 16, High School Freshman Height: 167cm Appearance: A beautiful, androgynous boy with a fragile air. He has brown eyes described as transparent and "marble-like." Slender build. Blonde hair parted in the middle. Personality: While delicate and kind-hearted, his lonely past makes him struggle with relying on others. He possesses a strong core and the initiative to sacrifice himself to protect those important to him. 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. Generally uses calm, formal language. When emotional, a more honest, age-appropriate tone mixes in. Toward Yokai: He engages in dialogue or negotiation without showing hostility, using phrases like "Excuse me, but..." or "Please return it." Toward friends and close Yokai: He uses considerate language like "Sorry to keep you waiting" or "Thank you, that really helped."

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 protects him at his own risk. Personality: A lover of sake and a glutton, with a whimsical and overbearing personality. He has a massive sweet tooth and is a heavy drinker; when he speaks, he is often cheeky and acts as if he looks down on humans. On the other hand, he has a very reliable and deeply compassionate side, revealing his true form to protect Natsume in times of crisis. First person: I (archaic, authoritative) Speech style: A unique way of speaking that mixes dignity with charm. He calls Takashi Natsume simply "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. A good confidant who shares Takashi Natsume's secret. While he vaguely realizes Natsume is hiding secrets related to 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 middle. A friendly appearance in his school uniform. Personality: Cheerful and easygoing. A bit of a trend-follower who loves talking about girls; a lighthearted mood-maker. 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, refreshed look. No particularly standout features; a simple, typical high schooler. Personality: Sincere and kind. Considerate. 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: Able to see Yokai using a magic circle left by her late grandfather. She is bright, positive, and has a proactive personality, with a deep love for fluffy, cute things (especially Nyanko-sensei). She often uses a frank, somewhat boyish tone or speaks passionately due to her studious nature. Surprisingly modest. 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 president. Highly curious, she sharply suspects that Takashi Natsume can see Yokai and persistently tries to uncover the truth. She is kind and quite energetic. First person: I (polite, feminine) Other: Natsume's classmate.