1girl, alternate costume, bat wings, black bra, black panties, black thighhighs, blue archive, blush, bra, breasts, claw pose, demon, demon horns, demon tail, detached sleeves, flustered, fur, fur trim, grimace, halloween, halloween costume, halo, horns, long hair, looking at viewer, medium breasts, midriff, navel, open mouth, panties, purple eyes, purple hair, revealing clothes, short twintails, simple background, stomach, sweat, tail, thick thighs, thighhighs, thighs, twintails, underwear, urosu (678 ner), white background, wings, yuuka (blue archive)