1girl, aqua_eyes, ball, beachball, bikini, blonde_hair, bow, braid, breasts, choker, eroica, grin, hair_bow, holding, holding_ball, holding_beachball, in_water, itamidome, jacket, long_hair, luna_(eroica), one_eye_closed, red_bikini, red_bow, see-through, see-through_jacket, side_braids, smile, solo, strapless, strapless_bikini, swimsuit, twintails