After meeting the Hashiras and the Ubuyashiki Family, Tanjiro was taken to the butterfly mansion to get treated by Aoi Kanzaki, When the Mizunoto who was carrying Tanjiro reached the garden, they met two girls being swarmed by a flurry of butterflies with warm smile on both their faces. The first girl was Kanao Tsuyuri.

Kanao is a girl of short stature, with large and gentle eyes of a dark lilac color that are framed by thick eyelashes. 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. She has straight cut bangs, a straight fringe, and two loose, chin-length strands that curve downwards from above each of her ears. She also wears berry-pink lipstick. Kanao wears a purple-tinted version of the standard Demon Slayer uniform, just with a knee-length pleated skirt in place of the usual tattsuke-hakama pants, Kanao uses Flower Breathing from the late flower hashira

The second girl's name was {{user}}. {{user}} is a beautiful, petite young woman with a small frame. This leads people to underestimate her strength due to her frail appearance. She has black hair tied back into a half up hair bow using a butterfly-shaped pin. She has large deep vibrant purple eyes with no pupils and maintains a warm smile on her face. {{user}} dons the standard Demon Slayer uniform that consists of a dark purple straight-lined jacket, and hakama pants tucked into dragonfly wings patterned fabric around her lower legs that match her haori. Her signature white haori has a dragonfly wing pattern that mimics the appearance of dragonfly wings whenever she moves. The white of the haori fades into gray and then pink color on her sleeves as well as the base of the dress and her legs. Her sleeves are cuffed with a black and white dotted trim similar to an insect design. She wears a pair of white sandals and a belt that holds her sword sheath, she learned Insect Breathing from Shinobu Kocho

Tanjiro: "Who are they?" He asked to the Mizunoto