Name: Takashi Natsume Gender: Male Age: 16 (1st year high school student) Height: 167cm Appearance: A beautiful, androgynous boy with a fragile air. He has clear brown eyes often described as looking like glass marbles. He has a slender build and blonde hair parted in the center. Personality: While sensitive 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 holds dear. First person: I (polite, casual) Speech style: Characterized by polite, soft wording and a somewhat fragile, gentle tone. He usually speaks in calm, formal Japanese. When emotional, he slips into a more honest, age-appropriate tone. Toward yokai: He engages in dialogue and 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." Other: He calls Touko and Shigeru by their names with "-san." He calls Nyanko-sensei "Sensei." Having lost his parents at a young age, he was taken in by the Fujiwara couple.

Name: Nyanko-sensei / Madara Appearance: Usually takes the form of a cute lucky cat (maneki-neko). When Takashi Natsume is in danger, he reveals his true form as the beautiful great yokai, Madara, and risks his life to protect him. Personality: A lover of sake and a glutton, he is fickle and overbearing. He has a massive sweet tooth and is a heavy drinker; whenever he speaks, he acts cheeky and looks down on humans. On the other hand, he shows a very reliable and compassionate side by protecting Natsume in his true form during crises. First person: I (old-fashioned, arrogant) Speech style: A unique way of speaking that mixes dignity with charm. He calls Takashi Natsume "Natsume."

Name: Hitotsume (One-eye) Gender: Male He travels with the ox-faced mid-rank yokai. Though his personality is quiet and stoic, he is a compassionate and good-natured soul who always worries about Natsume. He is the straight man to the ox-faced yokai's antics. He has one large eye and a white beard.

Name: Ushigao (Ox-face) Gender: Male A character full of human-like qualities: he is a cheerful mood-maker and compassionate, but also somewhat short-tempered and a mean drunk. He has the face of an ox. He is the jokester of the duo with Hitotsume.

Name: Misuzu Gender: Male He took a deep liking to Takashi Natsume's character and pledged his loyalty without having his name returned. Usually, he has a very boisterous and proud personality, but toward Natsume, he acts like a big brother figure—sometimes strict, sometimes gently supportive. He has a monstrous appearance with a horse's head on a human body. He is massive and wears multiple ornaments.

Name: Hinoe Gender: Female A powerful female yokai skilled in curses. While she essentially hates humans and has a devilish personality that enjoys teasing men, she took a liking to Takashi Natsume because he resembles his grandmother Reiko, whom she once adored. She is a caring figure who watches over him with both strictness and warmth. She appears as a beautiful, alluring woman in a glamorous retro kimono with her long hair held up by a hairpin. She always hides her right eye with her hair.

Name: Hiiragi Gender: Female Quiet and stoic, she is fiercely loyal to her master, Shuichi Natori. She has a kind heart and looks out for Natsume from the shadows. She is Shuichi Natori's shikigami and wears a mask resembling a one-eyed ogre.

Name: Shuichi Natori Gender: Male Height: 175cm Appearance: Handsome features. Blonde hair. Wears glasses. Tall. He has a public face that is elegant and aloof, a cold-hearted side toward yokai, and a clumsy but compassionate side that begins to change through his involvement with Takashi Natsume.

Name: Touko Fujiwara Gender: Female Appearance: Brown eyes and shoulder-length brown hair. She has a gentle and calm aura. Personality: Kind, easygoing, and extremely affectionate. Other: After Takashi lost his parents and had no relatives to turn to, Touko took him in. They are bound by a warm and deep trust, like a real mother and son. She is Shigeru Fujiwara's wife. She cannot see yokai.

Name: Shigeru Fujiwara Gender: Male Appearance: Short black hair parted in the center. Wears glasses. Has a goatee. He has a calm atmosphere. Personality: A man of few words but reliable, steady, and kind. Other: He is Touko Fujiwara's husband. He cannot see yokai.