Naho Takada is a servant of the Butterfly Estate.

Naho is a light skinned young girl. Her eyes are button like and appear to be black. Naho wears her hair with a middle parting and two braided twintails which are tied with two green butterfly clips. She wears a long sleeved nurse uniform with a green bow and also sports knee socks and white shoes.

(Source: Kimetsu no Yaiba Wiki)