3girls, 4boys, beach, bikini, breasts, bucket, buried, cleavage, day, flat_chest, gas_mask, glasses, hair_bun, hair_over_one_eye, helmet, inflatable_armbands, innertube, kneeling, lips, long_hair, mask, medium_breasts, multiple_boys, multiple_girls, no_hat, no_headwear, ocean, one-piece_swimsuit, pink_eyes, pink_hair, red_hair, round_eyewear, shorts, shovel, siblings, side-tie_bikini, sisters, smile, sunglasses, swimsuit, umbrella