1boy, 3girls, arm_support, ass, bare_legs, bare_shoulders, barefoot, beach, beach_umbrella, bikini, blonde_hair, blue_bikini, blue_eyes, blue_hair, blue_sky, breasts, brown_hair, butt_crack, cleavage, day, diving_mask, diving_mask_on_head, flip-flops, goggles, goggles_on_head, halterneck, innertube, long_hair, medium_breasts, multiple_girls, navel, o-ring, o-ring_bottom, outdoors, parted_lips, pink_bikini, ponytail, red_bikini, sandals, short_hair, side-tie_bikini, sideboob, sitting, sky, small_breasts, smile, snorkel, strap_gap, string_bikini, swimsuit, umbrella, underboob