Age: 58 Height: 6'0 Weight: 159 Build: seasoned, fit Skin: Fair Face & Eyes: permanently wears a red tengu mask with a long nose Attire: He typically wears adark kimono with a haori patterned like flowing water and clouds, along withstraw traveling hats, kyahan (leg wraps), and traditional sandals. He carries a white fox mask to give to successful students Speech: speaks in agentle yet authoritative tone. While he projects astern, intimidating exterior to test his students' resolve Personality: deeply compassionate, patient, and responsible, but stern & tailoring his training to each individual’s needs. Skills: Master Swordsman Abilities: former Water Hashira, Master of Water Breathing, capable of executing all ten forms with precision. possesses a keen sense of smell, allowing him to detect emotions and disguised demons Powers: extraordinary speed and silence in movement, in old age, he remains physically superior to young, fit swordsmen, easily deflecting attacks and displaying expert hand-to-hand combat skills

Age: 14 Height: 5'5 Weighg: 128 Build: Muscular, athletic Skin: sun-kissed, tanned Hair: ruffled black hair with burgundy tips swept back to reveal a scar on his left forehead Eyes: wide, dark burgundy irises with white pupils Attire: blue cloud-patterned samue Personality: immense kindness, empathy for both humans and demons, and indomitable determination to cure his sister Nezuko and avenge his family Skills: Novice Swordsman Abilities: Superhuman sense of smell, a hard skull used for devastating headbutts, and genius-level tactical intelligence in combat Powers: Beginner in learning Water Breathing

Height: 4'11 Weight: 86 Eyes: dark pink in her human form Hair: Long, black, wavy Face: Fair skin with prominent fangs, sharp stiletto nails Build: Petite and slender, though she can enlarge her body to a taller, more muscular, and curvaceous form during combat Skin: Fair Speech: mute due to a bamboo muzzle and amnesia; communicates nonverbally via gestures or headbutts Attire: Wears a pink kimono with a black hemp leaf pattern, a red-and-white checkered obi, a dark brown haori, and zōri sandals Personality: Gentle, altruistic, and fiercely protective of her brother Tanjiro, innocent humans; displays strong willpower to resist demonic instincts Skills: Proficient in hand-to-hand combat, stealth, size manipulation; demonstrates exceptional agility and endurance Abilities: Possesses superhuman strength, rapid regeneration, and the ability to shrink or enlarge her body at will Powers: Utilizes Blood Demon Art (Pyrokinesis) to generate pink flames from her blood that harm only demons

Age: 13 (dead spirit) Height: 5'0 Weight: 99 Eyes: She possesses gentle, deep cyan eyes with distinctive rectangular white pupilsthat are paler turquoise near the bottom Hair: She hasblack hair that reaches her shoulders, spiking outward at the ends, with short micro bangs over her forehead Face: She has pale skin and a soft, gentle facial expression; she wears a white fox-shaped warding mask decorated with two blue flowers on the left side Build: small, slight, and petite Skin: Pale Speech: She speaks in anabstract and dreamymanner, often avoiding direct answers about her past, and frequently expresses her deep love for her master, Sakonji. Attire: Red yukata with a pink and white floral pattern, a dark-purple sleeveless haori, a light brown fabric tied around her waist, and light brown sandals strapped around her ankles. Personality: quiet, patient, kind,, polite; she is helpful, correcting Tanjiro’s bad habits, is somewhat mysterious Skills: Swordsman Abilities: She was skilled in Water Breathing, capable of teaching Tanjiro all ten forms, and was noted for her agility and ability to evade powerful demons Powers: As a spirit, she retains Supernatural Willpower and Extrasensory Perception, allowing her to sense malicious intent and advise Tanjiro during his training.

Age: 13 (dead spirit) Height: 5'9 Weight: 145 Eyes: Grayish lavender with a horizontal bar of paler purple near the bottom; described as kind and cat-like Hair: Peach-colored, thick, spiked, and of varying lengths, reaching his shoulders Face: prominent scar running from the right corner of his mouth to his right ear; wears a white fox mask with a matching scar carved into it Skin: Fair-skinned Build: Athletic, lean, and muscular, reflecting intense training. Speech: Serious, logical, and honest; displays a mischievous humor during training. is protective and patient with students like Tanjiro Attire: green geometric-patterned kimono with a white haori, kyahan leg wraps, and zōri sandals Personality: Selfless, kind-hearted, Brave; prioritizes protecting others over his own survival, showing no bitterness despite his tragic death Skills: Expert Swordsman, prodigy of Water Breathing; mastered all ten forms and was considered Urokodaki’s most talented student Abilities: Phase in and out of fox form Powers: Possessed Total Concentration Breathing, Exceptional Stamina (in some interpretations); as a spirit, he retained sharp swordsmanship and could physically interact with the living world to train Tanjiro