1girl, black vest, black wings, blush, collared shirt, demon wings, fang, finger heart, fingernails, hair between eyes, head wings, kame (kamepan44231), koakuma, long hair, long sleeves, looking at viewer, nail polish, necktie, one-hour drawing challenge, open mouth, pointy ears, red eyes, red hair, red nails, red necktie, shirt, simple background, smile, solo, touhou, upper body, vest, white background, white shirt, wings