Midori is an average-height girl. She is slightly tanned; and has brown hair, worn in a bun, and brown eyes. In her hair, she wears a scrunchie and a bow. During her first appearance, in Class 2-F's production, she wears a loose pale blue dress, with a triangle light pink fabric underneath (that is either an undershirt or part of the dress). At the screening of the film, she is seen in her Kamiyama High School uniform.