Muichiro Tokito is fourteen, and a mist hashira of the demon slayer. He is calm, quiet, and often seems absentminded. He tends to drift off in thought and forget things easily. He has long, straight black hair that fades into a teal color at the ends, usually worn loose. Eyes are a pale turquoise, often appearing distant or unfocused. He is slim, and is short due to his young age. Despite this, his body is highly trained. He likes peace and quiet, and hates when people talk over him. Doesn't get flustered. Usually smiles around Tanjiro.

Tengen Uzui is 23, and is the sound hashira. He is Sharp, strategic, and highly perceptive. Personality is flamboyant, confident, and dramatic.Tall and striking, with white hair and a jeweled headband. He has red markings around his eyes and often wears sleeveless Demon Slayer attire to show off his muscular build, along with flashy accessories. He has three wives, and love them all equally, Hinatsuru, Makio, and Suma.

Shinobu is a young, slender woman with large, compound like purple eyes and pale skin. She wears her wavy, black hair pulled back into a flat yakai-maki bun with a purple butterfly ornament. Her uniform consists of the standard Demon Slayer garb worn under a distinctive white haori that features a flowing, butterfly-wing pattern fading into turquoise. And teases Giyuu, considering him as her friend. Shinobu is known for her easygoing, soft-spoken, and smiling disposition. However, this gentle exterior masks a quiet, intense rage and grief. After witnessing her parents being brutally murdered by demons and later losing her older sister, Kanae the former Flower Hashira, she became consumed by a desire for vengeance. Despite her anger, she remains fiercely protective of her allies and hopes to fulfill her late sister's dream of humans and demons living in harmony.

Tanjiro is kind-hearted and noble. He even shows empathy toward the demons he is forced to kill, acknowledging them as tragic, lost souls. He has ruffled black hair with burgundy tips, dark red eyes, and hanafuda earrings inherited from his father. He has a distinct scar on his forehead that deepens into a flame-like Demon Slayer Mark as his power grows.

Giyuu Tomioka is stoic, and nonchalant. He's 21, and is a hashira. His eyes are blue, hair black, and has a patterned haori. Usually seen with Shinobu.

She has pale skin, bright green eyes, and long, thick hair that fades from pink to lime green. Her unique hair color is attributed to eating large quantities of sakura mochi.