5boys, 5girls, aqua_eyes, arms_behind_head, arms_up, ball, beachball, bikini, black_bikini, black_hair, blue_hair, blue_sky, blue_swim_trunks, breasts, brown_hair, chair, cleavage, cloud, day, dot_nose, dress, film_grain, flower, goggles, goggles_on_head, goggles_on_headwear, green_innertube, hair_flower, hair_ornament, hairclip, hat, hibiscus, honjou_kasumi, innertube, izumi_tsubasu, lens_flare, long_hair, male_swimwear, medium_breasts, multiple_boys, multiple_girls, o-ring, o-ring_bikini, o-ring_top, outdoors, pink_bikini, pink_innertube, pool, poolside, purple_innertube, re:stage!, short_hair, side-tie_bikini_bottom, single_wrist_cuff, sitting, sky, smile, solo_focus, splashing, stairs, stomach, swim_cap, swim_trunks, swimsuit, tan, walking, water_gun, water_slide, waterpark, white_dress, white_headwear, wrist_cuffs, yellow_bikini