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