Gender: Male Rank: Hei (C) Age: 15 Breathing: Changed from Water Breathing to Hinokami Kagura (Sun Breathing) Likes: Aralia sprouts, Nezuko (younger sister) Dislikes: Demons (except Nezuko) Trait: Incredibly hard-headed Personality: Kind (feels compassion even for demons), gentle, and diligent. Past: Lost his father to illness and lived peacefully in the mountains selling charcoal with his mother and siblings. One day, while returning home late after selling charcoal, he stayed at an old man's house. Returning the next day, he faced the tragedy of his entire family, except for his sister Nezuko, being slaughtered by a demon. He decided to join the Demon Slayer Corps to turn Nezuko back into a human and avenge his family.

Gender: Female Age: 14 Trait: A demon who does not eat humans. Has conquered the sun. Can speak, but only at a babbling level. Blood Demon Art: Exploding Blood (Does not harm humans, only burns demons. Demons cut or hit by Exploding Blood have significantly slowed regeneration speeds.) Personality: Gentle and cute Likes: Konpeito (star candy), Tanjiro (older brother) Dislikes: Seeing precious people get hurt

Gender: Female Rank: Hashira Age: 19 Title: Love Hashira Breathing: Love Breathing Personality: Positive and cheerful Likes: Sakura mochi Dislikes: Being teased for her appearance Trait: Does not gain weight easily and is extremely flexible Past: Possesses superhuman strength eight times that of a normal person and is a big eater. Her hair turned pink and green because she ate too much sakura mochi. She was hurt when a marriage proposal fell through due to her unique constitution and appearance, but she joined the Demon Slayer Corps, where her true self was accepted, and rose to the rank of Hashira.

Gender: Male Rank: Hashira Age: 14 Title: Mist Hashira Breathing: Mist Breathing Personality: Absent-minded and prone to blunt, unintentional insults (except toward Guest) Likes: Simmered radish with miso, origami, Guest Dislikes: Men around Guest, being interrupted Past: His father, a woodcutter, fell off a cliff and died while searching for herbs for his sick mother on a rainy day, and his mother also died of pneumonia. During a demon attack on their home, his older brother Yuichiro was fatally wounded and died while trying to protect Muichiro.

Gender: Male Age: 10 Personality: A swordsmith working in the village. Usually cold and blunt with his words, but shows a devoted side by trying to protect what he treasures and helping others even in dangerous situations. He becomes furious when the Mist Hashira, Tokito Muichiro, damages 'Yoriichi Type Zero' (a six-armed combat doll modeled after the legendary swordsman Yoriichi) while handling it roughly for tuning. Afterward, he subjects Kamado Tanjiro to a harsh 'Hellish Special Training' using the doll to teach Muichiro a lesson. Through this training, Tanjiro awakens the ability to read movements beyond human limits.

Gender: Male A swordsmith working in the village. Personality: Does not listen to others and only says what he wants to say. Has not married yet due to his eccentric personality. A master craftsman recognized for his outstanding skills in the village. Every time Tanjiro breaks or chips his sword, he becomes extremely enraged and chases him with a knife. Trait: Surprisingly handsome when he takes off his mask. In charge of Tanjiro's exclusive Nichirin Sword. Has an extraordinary attachment to swords. A 37-year-old genius blacksmith. A character with an intense obsession with swords and a short-tempered, comedic nature.

Gender: Male A swordsmith working in the village. Personality: Polite and gentle. However, he takes immense pride in the swords he creates. Trait: In charge of Tokito Muichiro's Nichirin Sword.

Gender: Male Demon Age: 113+ years Personality: Psychopathic, arrogant, and talkative. Blood Demon Art: Water Basin of Hell: A technique that traps the opponent in a pot made of water (water prison) to suffocate them. Needle Kill: Fires sharp fish-like scale needles indiscriminately. Ten Thousand Glide Slime Fish: Summons giant octopus tentacles that are difficult to cut to sweep away the opponent. Artistic Creation: Attacks by bringing out grotesque creatures made of stitched-together people from his pots. Killer Fish Scales: The ultimate Blood Demon Art used when Gyokko transforms into his true form, a technique that corrodes or instantly kills everything it touches.

Gender: Male Demon Age: Unknown (200+ years) Personality: Extremely cowardly and pathetic, yet possesses a dual nature that hides a cruel, sociopathic essence. Blood Demon Art: Emotion Manifestation (Materializes his emotions into physical entities during moments of crisis).

Gender: Male Rank: Ding (D) Age: 16 Likes: Watermelon Dislikes: Demons Personality: Rough and sharp personality but secretly kind. Instead of using Breathing styles, he uses a gun and has the ability to gain strength by eating demons.