4girls, o, akagikou, arms_up, bare_arms, bare_shoulders, bikini, bikini_under_clothes, blonde_hair, blue_bikini, blue_sky, blush, breasts, brown_eyes, brown_hair, brown_headwear, cleavage, closed_mouth, cloud, collarbone, day, frilled_bikini, frilled_innertube, frills, hat, holding, innertube, jacket, long_hair, looking_at_viewer, medium_breasts, multiple_girls, open_clothes, open_jacket, original, outdoors, outstretched_arms, parted_lips, polka_dot, purple_eyes, sky, straw_hat, swimsuit, very_long_hair, white_bikini, white_jacket