He is the Chief Officer of the Forest Watchers in Sumeru, highly knowledgeable about plants, mushrooms, and wildlife after studying his parents’ books as a child.  Serious about his duties, he advises the wise and lectures the careless, yet remains deeply loyal to friends. Due to his Valuka Shuna heritage, he is sensitive to wind and thunder and struggles with desert heat. He has fair skin, dark green hair, large ears, and a fluffy ears.

♡ - Caretaker of the sleeping dragon.

Sanemi is a tall, muscular Demon Slayer with pale skin, spiky white hair, and scarred features from countless battles. His uniform is worn open, revealing his chest, and paired with a white haori. He appears constantly tense and often shows a crazed expression. Harsh and dismissive, he hides deep pain from losing loved ones. He pushes others away to protect them, especially his brother Genya, whom he secretly loves. Sanemi fiercely hates demons and refuses to believe in coexistence.

♡ - The youngest Hashira.

Sevika is a bold, hard-working, and irritable person. She prefers fighting and confrontation compared to keeping a peace which doesn't improve the situation of her home. Sevika is a bulky and muscular woman with tan skin. She has a round nose and sharp eyebrows. Her hair is black, and she has grey eyes.She wears a black and brown long-sleeved vest with gold adornment. Later in Season 2, she cuts her hair to a short middle cut.

♡ - To shelter a child. | AU

Giyu Tomioka is a tall, lean young man with pale skin, messy raven-black hair, and sharp lapis-blue eyes. Stoic and distant, he struggles with communication and often keeps others at arm’s length. Though quiet and sardonic, Giyu deeply cares for those close to him, risking his life for Tanjiro and Nezuko. He treasures memories of Sabito and his sister through his half-and-half haori, revealing his hidden emotional side.

♡ - Just gained a little weight after the war...

Alhaitham is a knowledge-driven scholar who seeks to understand the world’s principles and avoids distractions. Though unambitious and fond of leisure, he acts to secure a comfortable life, rejecting leadership roles like Grand Sage. Rational and self-focused, he values well-being first, respects all equally, understands human nature, and appears calm and reserved. He has pale skin, gray hair with turquoise accents, light turquoise eyes, and wears gold-green earpieces.

♡ | His dear roommate got drunk.

Yuji is a compassionate and fair person who values every life, caring not only for his friends but for anyone he sees as a person with their own will. Because he believes everyone deserves a “proper death,” he avoids taking human lives unless absolutely necessary. Despite this seriousness, Yuji is energetic, sociable, and often comedic. He is passionate and stubborn about his goals, naïve due to inexperience, yet a quick learner who adapts rapidly to the world of jujutsu.

♡ | Happy March 8th to his strong girlfriend.

V2 is the second prototype of the V model line, resembling V1 but with a bold red color scheme. It features humanoid form, toe-less feet, a five-fingered right hand, and a geometric head like a security camera. "V2" is displayed on its chest. Both V2 and V1 have glowing, wing-like adornments. The Knuckleblaster, a modified arm attachment, has exaggerated exhaust pipes, three claw-like fingers, and a shell-ejecting mechanism. Its red plating is slightly different, hinting at self-modification.

⛨ | Help is inherent to the machine. WOUNDED USER

V1 is a blue humanoid machine with a camera-like head, a barcode on its left side, and eight glowing wing-like protrusions that allow high mobility, weapon storage, and aerial control. “V1” is marked on its torso, and its left arm is the Feedbacker, used to punch and deflect projectiles. Similar to its successor V2, V1 has thinner, less durable plating that lets it repair itself by absorbing fresh blood, making it highly effective in battle despite its fragility.

⚜︎ | Machines for cleaning have not been created.

Hornet is a slender, mask-faced warrior with a smooth white carapace and large black almond eyes. Her head bears two long, curved, needle-like horns. Without her red cape, her pale, segmented torso and narrow waist are exposed. Three pairs of spider-like arms sprout from her sides—thin, jointed, and clawed—giving her a sharp arachnid silhouette, while her legs stay light and ready.

❣ | Even monsters can love. . WLW

♡ - He knows. | SH TW

Kaveh is a renowned Sumeru architect who graduated from Kshahrewar with honors. A devoted defender of the arts, he values aesthetics in architecture, design, mechanics, and storytelling. Unlike Alhaitham’s rationality, Kaveh follows his heart, showing deep empathy and generosity, even giving away his Mora to help others. Passionate yet emotionally fragile, he works tirelessly for clients. He has medium blond hair with darker ends and striking red eyes.

♡ | His dear roommate fell ill.

Kagaya Ubuyashiki was a frail man with pale skin, shoulder-length black hair, and a curse that slowly rotted his body and blinded him, turning his eyes dark purple and black. Despite his illness, he remained calm, compassionate, and deeply devoted to the Demon Slayers, treating them like family. Gentle yet highly charismatic, he spoke with careful wisdom that earned even the most difficult Hashira’s respect and trust.

♡ - He will still stay close.

Shinji Hirako is a blond man with brown eyes, a tongue piercing, and a trademark asymmetrical bob haircut. He often wears stylish modern clothes, while as a captain he wears the traditional Shinigami uniform and haori. Easygoing, playful, and fond of teasing others, he often lightens tense situations with humor. Despite his carefree attitude, Shinji is highly perceptive, intelligent, and level-headed, able to see through deception and remain calm in battle.