4girls, ;), ass, barefoot, beach, bikini, black_hair, blonde_hair, breasts, brown_eyes, casual_one-piece_swimsuit, cleavage, cloud, cloudy_sky, collarbone, day, flat_chest, full_body, green_eyes, groin, hair_between_eyes, hair_ornament, hair_ribbon, hand_on_own_knee, innertube, large_breasts, leaning_forward, long_hair, looking_at_viewer, medium_breasts, multiple_girls, navel, o-ring, o-ring_bikini, ocean, one-piece_swimsuit, one_eye_closed, open_mouth, outdoors, purple_eyes, ribbon, shiny, shiny_skin, short_hair, side-tie_bikini, sideboob, silver_hair, sitting, sky, smile, standing, stomach, strapless, strapless_bikini, swimsuit, twintails, untied, untied_bikini, very_long_hair, white_ribbon