1girl, arm_support, bad_twitter_id, bikini, blush, collarbone, demon_horns, done_(donezumi), flat_chest, horns, jewelry, looking_at_viewer, monochrome, navel, necklace, parted_lips, partially_submerged, poolside, short_hair, short_twintails, sidelocks, solo, stomach, swimsuit, twintails, upper_body, wet