1girl, afloat, ass, ball, beachball, bikini, black_bikini, dolphin, dot_nose, film_grain, green_innertube, hair_ornament, ichijou_ruka, inflatable_dolphin, inflatable_toy, innertube, izumi_tsubasu, lens_flare, lying, on_side, polka_dot, pool, purple_eyes, re:stage!, short_hair, shorts, smile, solo, sparkle, star_(symbol), swimsuit, tiles, watermelon_beachball, white_hair, white_shorts