koakuma, touhou, touhou arcadia record, artist request, game asset, non-web source, official art, self-datamine, 1girl, aura, bat (animal), black shoes, black skirt, black vest, blush, closed mouth, demon wings, frilled skirt, frills, full body, head wings, juliet sleeves, long sleeves, looking at viewer, mary janes, necktie, orange eyes, puffy sleeves, red hair, red necktie, shoes, simple background, skirt, skirt set, smile, smug, socks, solo, transparent background, vest, white background, white socks, wings