2girls, arm_up, bare_arms, bare_shoulders, bikini, black_hair, blonde_hair, breasts, cleavage, cloud, collarbone, day, green_eyes, hair_ribbon, halterneck, innertube, long_hair, looking_at_viewer, medium_breasts, multiple_girls, navel, open_mouth, original, outdoors, purple_bikini, red_eyes, ribbon, side-tie_bikini_bottom, smile, stomach, string_bikini, sunlight, swimsuit, two_side_up, ungnyanyang, wading, water, wet, white_bikini