dancing, performance, show by rock!! series, show by rock!! short!!, tomokatsu nagasaku, monochrome, solo, greyscale, white theme, lineart, 1girl, silent comic, no humans, voyakiloid, simple background, negative space, white background, cover, yowane haku, sketch, kaname madoka, bangs, oekaki, long hair, transparent background, hair bun, gardevoir