kotatsu-mazoku, original, commentary request, highres, 1girl, ahoge, bare shoulders, black bow, black coat, black dress, black sailor collar, blush, bow, bowtie, closed mouth, coat, cowboy shot, dot nose, double-parted bangs, dress, grey hair, hair bow, hair ribbon, horns, looking at viewer, medium hair, multicolored hair, off shoulder, oni, open clothes, open coat, pleated dress, pointy ears, red bow, red bowtie, red eyes, red horns, red ribbon, red streaks, ribbon, sailor collar, shoshinsha mark, sidelocks, simple background, sleeveless, sleeveless dress, smile, solo, sparkle, streaked hair, striped bow, tress ribbon, white background