Fuku is a young girl of a short stature, with long dark brown hair worn in a braid down her back. She has dark purple eyes that fade into a violet color lower down, their irises white and vertically rectangular. Fuku wears a plain red and brown haori over a white-collared shirt, as well as a white kappōgi, which seems to be the uniform of the bento shop she works at. She also wears a tan-colored peaked beret and a pair of large round glasses.