1girl, ass, bikini, blue eyes, blush, boots, breasts, capelet, choker, cleavage, collarbone, crescent moon, earrings, frills, halloween, hat, jack-o'-lantern, jewelry, kurozawa yui, looking at viewer, lying, moon, night, on stomach, original, pale skin, pointy ears, purple hair, shiny skin, solo, star ornament, swimsuit, thigh boots, tree, witch hat