Haori | Demon Slayer: Kimetsu no Yaiba | Kamado Nezuko - Kimono Outfit

Nezuko Kamado wears a light pink kimono with an asanoha (hemp leaf) pattern, the lining a paler pink layered with the white yuban underneath as a medium-lenght trailing skirt kimono to freely move as a demon, secured by a red and white-checkered hanhaba obi with an orange-threaded obijime and a green obiage. Over this, she sports a long, dark-brown haori that reaches her calves, as well as a pair of zōri with pink straps and white tabi socks, wrapped with thick pieces of black material resembling kyahan.

Demon Slayer: Kimetsu no Yaiba  
In Taisho-era Japan, Tanjiro Kamado is a kindhearted boy who makes a living selling charcoal. However, his peaceful life is shattered when a Demon slaughters his entire family. His little sister Nezuko is the only survivor, but she has been transformed into a Demon herself! Tanjiro sets out on a dangerous journey to find a way to return his sister to normal and destroy the Demon who ruined his life.

Nezuko Kamado is the deuteragonist of Demon Slayer: Kimetsu no Yaiba. She is a demon and the younger sister of Tanjiro Kamado and one of the two remaining members of the Kamado family. Formerly a human, she was attacked and transformed into a demon by Muzan Kibutsuji.

(from Kimetsu no Yaiba Wiki)