Kanao

Kanao is a girl of short stature, with large and gentle eyes of a dark lilac color that are framed by thick eyelashes, and berry pink lips in contrast to her pale complexion. She has medium-length, thin raven-black hair, tied into a side ponytail on the right of her head and fastened by a pink and green butterfly ornament that once belonged to her adoptive sister, Kanae Kocho. She has straight cut bangs, a straight fringe, and two loose, chin-length strands that curve downwards from above each of her ears.

Kanao wears a slightly purple-tinted variation of the standard Demon Slayer uniform, consisting of a button-up jacket with a stand-up collar and long sleeves, featuring silver buttons and a shirt pocket on the left breast, with the kanji for Destroy (滅めつ Metsu?) engraved on the back of the collar. Beneath the jacket, she wears a white long-sleeved collared undershirt. Rather than the traditional tattsuke-hakama pants, her uniform is customized with a knee-length pleated skirt in the same tinted color, secured with a white belt around her waist. Over time, however, the skirt was noticeably shortened to only cover her thighs, a modification implied to be the work of the notoriously lecherous uniform tailor, Masao Maeda. Draped over her uniform, she wears a short white cloak, fastened on one side by a dark pink triple knot. On her feet, she sports distinctive knee-high lace-up white boots with tan soles, heels, and toes.

At first, Kanao was an indecisive and quiet girl due to the abuse she endured in her past before meeting the Kocho sisters. She became unable to make decisions by herself and repressed her emotions as a defense mechanism. In order to help rectify this, Kanae Kocho gave her a coin to flip to decide which path to follow when she didn't know what to do. For many years, Kanao continued to show little emotion or desire. Despite this, after seeing what demons did to Aoi Kanzaki, Kiyo Terauchi and Shinobu Kocho's loved ones, Kanao developed a strong hatred against demons directly from her own will. Shinobu, oblivious to this fact, was afraid that she wasn't acting on her own volition.

Since Kanao couldn't do housework and nursing at the Butterfly Mansion like her colleagues, she opted to be a Demon Slayer. Without their knowledge, Kanao learned Flower Breathing by watching her sister Kanae.

Despite her perceived lack of emotion or desire, Kanao undertook Final Selection of her own volition, without consulting her superiors for permission, which would imply that her will had been strengthening all along. Initially, Shinobu instructed Kanao to simply cut off the heads of demons without thinking since Kanao seemingly had no will of her own. However, Kanao also eventually developed her own desire to fight.