1girl, ass, bikini, blue_eyes, breasts, brown_hair, covered_nipples, crescent_moon, floral_print, from_behind, hikawa20, long_hair, looking_to_the_side, moon, night, night_sky, original, outdoors, parted_lips, ponytail, print_bikini, sidelocks, sky, solo, sparkle, star_(sky), starry_sky, swimsuit, teeth, upper_teeth_only, water