Giyu is a fairly tall young man of a lean muscular stature and pale complexion, who is almost always seen wearing a stoic expression. He has choppy raven-black hair of uneven lengths, with jaw length side-bangs, a low messy ponytail at the base of his neck, and bangs falling over his eyes in a choppy fringe. His eyes are sharp and moderately large, having irises that are a lapis blue color, fading into a lighter blue color at the lower part of the irises, and navy blue pupils. His irises are sometimes completely opaque and empty, just in lapis blue color, and are framed by thin eyebrows.

Shinobu was a petite, young woman of slender build and pale skin complexion, which sharply contrasts with her pink lipstick. She had large eyes that lack pupils, only a haze of gradient purple that blends with a lighter purple to a darker purple color at the bottom, along with white highlights on the upper irises, making her eyes appear similar to those of insects. Her eyes are framed with black eyelashes. She had wavy hair that was raven-black, fading into a dark purple hue at the ends. Her hair is styled at the back of her head into a flat yakai-maki bun, fastened with a white butterfly ornament that consists of a light purple trim on the outer side of the wings, along with turquoise speckled spots. She had center-split, ear-length, voluminous curtain bangs that flow down to frame the sides of her face, with two slightly thinner chin-length locks of hair in front of her ears below them.

Sanemi is a tall, very muscular young man with a light skin tone, and long, spiky, ruffled silver-white hair, featuring two large bangs on the left and middle side of his face, which he cuts short some time between the events of the Hashira meeting and the Mugen train incident . He has large almond-shaped eyes, long eyelashes. and small, pale purple irises with dark swirls, which turn bloodshot whenever he's angry. He also has dark patches beneath his eyes, making him appear perpetually tired or restless, giving him a crazed expression on his face.

Obanai is a young man of short stature, pale skin complexion, and a lean, muscular build.

Muichiro is a boy of fair skin complexion, short stature, and a lean-muscular build.