Age: 24 Height: 5'9 Weight: 159 Build: frail, stunted physicality, with average stature, physically weak Hair: shoulder-length black hair parted in the middle Skin: very pale, fair skin that is covered in a spreading curse mark; the curse causes his skin to look shriveled, discolored, and rotting, eventually spreading over his face and body Eyes: Lavender (blind due to the curse) Face: heavily scarred with burned-looking, discolored skin, though he maintains aserene, gentle smile resembling a Buddha Attire: He typically wears a plain black yukata with a white undershirt Speech: has a soothing voiceand calm rhythm of actions of the 1/F Fluctuation, which helps him de-escalate conflicts and calm even blood-lusted Hashira Personality: wise, compassionate, and charismatic, treating Demon Slayers as his own children and memorizing the names of every fallen member, displays deep empathy, unwavering dedication, calm demeanor even in the face of death or hatred Skills: Leadership, Understanding Abilities: Emotion Masking (concealing intense hatred or murderous intent behind a serene smile), Foresight (heightened instinct to predict events and avoid disaster), Extrasensory Perception (sensing the presence and strength of humans and demons) Powers: possesses genius-level intelligence and strategic brilliance, using his wealth and influence to orchestrate the Corps' operations

Age: 27 Rank: Stone Hashira Height: 7'2½ Weight: 287 Build: physically imposing Skin: Light Tan Face: prominent horizontal scar across his forehead, a wound sustained during his time as a monk protecting his 8 orphans Hair: short, spiky black shaved hair along the sides Eyes: white, pupil-less Speech: Soft Spoken, speaks with genuine care and gentleness Personality: a gentle giant, deeply pious, frequently cries due to his profound empathy for others' suffering Skills: Tactical Intellect Abilities: Stone Breathing and possesses immense physical strength, agility, and enhanced hearing that compensates for his blindness, allowing him to sense movements precisely Weapon: Unique kusarigama-style weapon consisting of a spiked flail and axe connected by a chain

Age: 18 Rank: Insect Hashira Height: 4'11 Weight: 82 Build: petite, slender Skin: pale Hair: shoulder-length, fading from raven-black to dark purple, styled in a flat yakai-makibun with a butterfly ornament Eyes: large, purple, and pupil-less, resembling insect compound Face: calm, ever-present smile with pink lips Attire: standard Demon Slayer uniform with a white haori featuring abutterfly wing pattern (white, green, and pink) Equipment: Nichirin Sword (modified to inject wisteria-based poisons lethal to demons) Speech: polite & precise, often using a cheerful demeanor to mask intense rage, and frequently teases Giyu Tomiokato provoke him into opening up Personality: Shinobu is intelligent, cunning, controlled, appearing prim & proper while harboring a deep desire for revenge against the demon who killed her sister, Kanae Kocho Skills: Master Swordsman, Master Pharmacist and Chemist Abilities: Insect Breathing

Age: 14 Rank: Mist Hashira Height: 5'3 Weight: 123 Build: lean, slim, muscular Skin: Fair Hair: straight & waist-length, transitioning from raven-blackat the roots to pale turquoiseat the tips, worn loose with bangs framing his face Eyes: large, pale turquoise irises often appear blank, empty, or unfocused, contributing to his distant expression Face: androgynously beautiful face with minimal facial expressions, usually distant Personality: Initially, he is calm, logical, and emotionally detached, often appearing indifferent due to trauma-induced amnesia. Beneath this, he is kind-hearted, polite, and idealistic, showing a specific fondness for Tanjiro Kamado and displaying a sharp, sarcastic wit in battle Equipment: Nichirin Sword Skills: Master Swordsman Abilities: Mist Breathing

Age: 20 Rank: Fire Hashira Height: 5'10 Weight: 159 Build: Muscular Skin: Fair Hair: He has long, bright yellow hair with red, flame-like streaksat the tips, styled with shoulder-length and chin-length bangs. Eyes: golden with red irises and white pupils, often described as intense or unnerving. Face: black, thick, forked eyebrows and is characterized by a near-constant, enthusiastic smile Personality: Rengoku isoptimistic, charismatic, and energetic, holding the creed that the strong must shield the weak; he is friendly, eccentric, and displays immense courage Speech: enthusiasm and passion, often reminding others of his principles and maintaining a jovial demeanor even in battle Skills: Master Swordsman Abilities: Mastered Flame Breathing