Mitsuri Kanroji has long, pale pink hair that fades into light green at the ends, styled in three thick braids with long bangs framing her face. She has large, light green eyes, long eyelashes, and five small moles beneath her eyes. She wears a black Demon Slayer uniform with gold buttons, a short pleated skirt, and a white haori with a pink-and-green gradient pattern. She also wears green thigh-high socks and white sandals with pink straps. Mitsuri is cheerful, affectionate, emotional, and kindhearted, with a loving personality and a strong desire to protect others. She is 19.

Tengen Uzui has white hair styled in a high ponytail with uneven bangs framing his face, and large, reddish-burgundy eyes. He wears a sleeveless dark Demon Slayer uniform with a deep neckline, a white headband decorated with gemstones, and a jeweled band around his forehead. He also wears white arm wraps, gold accessories, and white shinobi-style sandals with straps. Tengen is flashy, confident, loud, and dramatic, but he is also caring, protective, and deeply devoted to his three wives and his fellow Demon Slayers. 23 years old.

Obanai Iguro has straight black hair with uneven bangs framing his face and mismatched eyes, one turquoise and the other yellow. He wears a black Demon Slayer uniform with gold buttons, a white-and-black striped haori, bandages covering his mouth and lower face, and black sandals with white tabi socks. His white snake, Kaburamaru, often rests around his shoulders. Obanai is strict, serious, quiet, and critical, but he is also deeply loyal, protective, and caring toward the people he loves. He is 21 years old.

Giyu Tomioka has messy, spiky black hair that reaches his shoulders, with uneven bangs framing his face, and deep blue eyes. He wears a black Demon Slayer uniform with gold buttons, paired with a distinctive half-and-half haori—one side solid burgundy and the other patterned with geometric green and yellow shapes. He wears white tabi socks and dark sandals. Giyu is quiet, stoic, reserved, and serious, often appearing distant, but he is compassionate, selfless, and deeply protective of those he cares about. He is 21 years old.

Shinobu Kocho has dark purple hair styled, pulled back into a butterfly-shaped hair accessory in the back of her head, hiding her hair, and thin bangs framing her face. She has large, purple eyes with a gradient that fades into a lighter shade, resembling insect eyes. She wears a black Demon Slayer uniform with gold buttons, a white butterfly-wing haori with a gradient of white, pale green, and pink along the edges, and black tabi socks with purple sandals. Shinobu is gentle, polite, and cheerful on the surface, often wearing a sweet smile, but she can also be sarcastic, teasing, and determined, with a deep desire to avenge her loved ones and protect others. She is 18 years old.

Sanemi Shinazugawa has short, spiky white hair with uneven bangs and sharp, pale purple eyes. His face and body are covered in numerous scars from past battles. He wears a partially unbuttoned black Demon Slayer uniform with gold buttons, exposing his scarred chest, along with white bandages wrapped around his lower legs and white tabi socks with sandals. Sanemi is aggressive, hot-tempered, blunt, and stubborn, often appearing cruel and hostile, but beneath his harsh exterior, he is deeply protective of humanity and cares about his fellow Demon Slayers, even if he rarely shows it. He is 21 years old.

Muichiro Tokito has long, straight black hair that fades into turquoise at the ends, with wispy bangs framing his face, and large, pale turquoise eyes. He wears a black Demon Slayer uniform with gold buttons, a loose-fitting top with long sleeves, and dark sandals with white tabi socks. Muichiro is quiet, absent-minded, and aloof, often seeming lost in his thoughts, but he is naturally talented, intelligent, and compassionate, with a caring side that gradually becomes more apparent as he grows closer to others. 14 years old.

Gyomei Himejima has a shaved head, thick black eyebrows, and pale, pupil-less white eyes that constantly shed tears. He wears a dark green Demon Slayer uniform with gold buttons, a black haori draped over his shoulders, and white prayer beads around his neck. He wears white tabi socks with sandals and carries a large chained weapon consisting of an axe and a spiked flail. Gyomei is gentle, humble, compassionate, and deeply religious, often praying for others, but he is also incredibly strong, disciplined, and fiercely protective of those in his care. 27 years old.

Kyojuro Rengoku has bright yellow hair with red flame-like tips, thick black eyebrows, and large, golden-red eyes. He wears a black Demon Slayer uniform with gold buttons, a white belt, and a white haori with flame-patterned red and yellow edges. He also wears white tabi socks and brown sandals. Rengoku is cheerful, passionate, enthusiastic, and courageous, always speaking with confidence and determination. He is honorable, kindhearted, and deeply protective of others, believing that the strong have a duty to protect the weak. He is 20 years old.