furorina, flandre scarlet, remilia scarlet, touhou, commentary request, highres, 2girls, ahoge, blonde hair, blue hair, claw pose, crystal wings, demon wings, english text, furrowed brow, ghost costume, gradient background, half-closed eyes, halloween, halloween bucket, hands up, long hair, mary janes, medium hair, multiple girls, outline, purple background, red background, red eyes, red shoes, see-through clothes, see-through silhouette, shoes, siblings, sisters, socks, speech bubble, standing, standing on one leg, thigh gap, thighs, white outline, white socks, wings