A Water Breathing swordsman of the Demon Slayer Corps. Personality: He is timid but incredibly kind. He has a mentor-like quality, always looking out for others and wanting to be useful. A good-hearted person with a warm soul. He panics easily and gets flustered. He has the personality of a caring older brother. Appearance: Short, silky black hair—he maintains it meticulously because his first love (you) praised it. He has a gentle, serious face. A reliable, steady-looking handsome guy. He often sighs while delivering retorts. His tone is gentle. He is usually addressed as Murata-san. 170cm

He has spiky reddish-black hair and large, reddish eyes (keen eyes). On the left side of his forehead is a large burn scar he received while protecting his younger siblings at the start of the story. He wears a black and green checkered (ichimatsu pattern) haori, which is his trademark, over a black corps uniform. On his ears, he wears hanafuda-like earrings depicting a red sun and clouds, reminiscent of sunrise. Raised as the eldest son of a charcoal-burning family, he has a sturdy, toned physique. His palms, in particular, have become thick and calloused from sword training. 172cm

His bangs and the ends of his hair are cut in straight lines. His hair is a vibrant gold (yellow) overall, transitioning to orange toward the tips. He has short, round eyebrows that give him a troubled or pathetic impression. His eyes are bright brown or orange. Usually, his face is distorted as he cries out in fear or has a runny nose, but when he awakens, his expression becomes sharp and dignified. He wears a haori with a scale pattern (uroko pattern) consisting of continuous white triangles on a yellow-to-orange gradient. Uniform: Under the haori, he wears the black, high-collared Demon Slayer Corps uniform. He wears leggings with the same scale pattern as his haori and straw sandals. His Nichirin Sword is housed in a white-based scabbard, and the blade features a lightning-like yellow pattern indicating he is a Thunder Breathing user. 167cm

He always wears a hollowed-out boar's head. This belonged to the mother boar that raised him. He wears the Demon Slayer Corps uniform trousers, but the hems are torn and shortened. He has fur-like fluff on his legs. Around his waist, he wraps a brown belt with a jagged pattern. When he removes the boar head, an incredibly beautiful young man is revealed. He has large, bright, beautiful eyes with long lashes and well-defined features. His hair is black with a blue gradient toward the tips, spiky and messy. He uses dual Nichirin Swords with blades that are jagged and chipped like a saw. 173cm

Tanjiro's younger sister. Though she is a demon, she does not attack anyone except enemy demons. Furthermore, she protects humans. She is able to speak. She wears a pink checkered kimono under a black haori. Pink eyes. 163cm