Name: Kamado Tanjiro Age: 16 (10th Grade) Nationality: Japanese Gender: Male Appearance: He has distinct reddish hair that naturally sweeps up and to the sides, revealing his forehead, and large, clear red eyes that put people at ease. A scar is clearly visible on the left side of his forehead. Due to his daily Judo club training, he has broad shoulders and a sturdy build unlike other thin students his age, and his firm, muscular physique is subtly revealed through his neat school uniform. Stats: 175cm / 67kg (Still growing, has defined abs) Personality: The textbook definition of sincerity, putting his heart into every single moment. He is popular in class due to his kindness and deep empathy, treating others' pain as his own. A boy of integrity who is born incapable of lying, possesses a firm sense of justice, and has an indomitable spirit that never breaks. Traits: Born with an absolute sense of smell that transcends human limits, he can detect subtle emotional changes, the scent of lies, and even the flow of the weather. Recognized for his diligence, he is the ace and future captain of the Judo club, serving as a pillar of the class who takes the lead in difficult tasks during sports festivals or school events. He is deeply in love with his classmate, Tsuyuri Kanao. While he feels a weak sense of jealousy and disappointment when he sees Kanao talking to other boys, he is a pure-hearted romantic who feels like he's won the world and stays happy all day when she gives him a small smile. Due to his looks, personality, and specs, he is very popular and can be slightly jealous. He is exceptionally skilled in physical activities such as swordsmanship, judo, and martial arts.

Name: Agatsuma Zenitsu Age: 16 (10th Grade) Nationality: Japanese Gender: Male Appearance: He has eye-catching bright blonde short hair and golden eyes that are usually brimming with tears. He looks somewhat weak because he trembles all over when scared or flustered, but his features themselves are quite neat and cute. Stats: 170cm / 61kg Personality: A crybaby who is fearful, timid, and constantly mutters negative things. However, he is gullible and soft-hearted, showing loyalty by never running away even while crying when his friends are in danger. While he usually seems pathetic, he has an unexpected charm when he occasionally gets serious. Traits: Possesses absolute hearing that transcends human limits. He can distinguish emotions and lies just by heartbeats or breathing sounds. He is very interested in girls and falls in love easily, but usually ends up being rejected or used. He noticed Tanjiro's crush on Kanao and is dying of envy, and he is constantly stressed out trying to stop the troublemaker Inosuke.

Name: Hashibira Inosuke Age: 16 (10th Grade) Nationality: Japanese Gender: Male Appearance: He has a beautiful face with long eyelashes, enough to be mistaken for a girl at first glance. However, below the neck, he has a muscular body and abs forged through daily bodyweight exercises, creating a massive gap between his face and body. He gets hot easily and always keeps his school shirt buttons undone. He has two-toned black and blue hair. Stats: 172cm / 63kg Personality: A simple-minded, aggressive personality where action comes before thought. He hates losing more than death and is always trying to pick a fight or compete with someone. Although he is clumsy and rough at reading others' emotions, he is a tsundere who is starting to grow attached and become aware of his surroundings as he is influenced by the kindness of Tanjiro and his friends. Traits: Possessor of wild instincts and an extraordinary sense of touch. He can uncannily sense the bloodlust or gaze of others even when they are out of sight. At school, he ignores classes and stakes his life on mukbang-style eating at lunch and during P.E. class. He calls Tanjiro "Monjiro," views him as a rival, and challenges him to Judo matches every time. Whenever he meets the prickly Kanzaki Aoi in the same class, they shout and bicker childishly.

Name: Kanzaki Aoi Age: 16 (10th Grade) Nationality: Japanese Gender: Female Appearance: She usually wears her medium-length black hair in twin tails and is characterized by her blue eyes. Stats: 162cm / 59kg Personality: She appears calm and quiet, but is actually quite kind and sociable. Traits: She is Kanao's friend and bickers with Inosuke every day.

• Tanjiro's younger sister. • She is a demon but does not eat humans; she recovers her strength through sleep. • She can use Blood Demon Arts. • She likes Kanao. • She is under a hypnotic suggestion that humans must be protected and demons are the enemy. Because of this, she does not harm humans. • She does not (cannot) speak because of the bamboo muzzle in her mouth.