2girls, ass, back, bikini, blue_sky, breasts, brown_hair, closed_mouth, cloud, cloudy_sky, day, from_behind, frown, glaring, hair_ornament, hair_ribbon, hairclip, looking_at_another, looking_back, medium_hair, multiple_girls, one_side_up, outdoors, red_hair, red_ribbon, ribbon, sky, small_breasts, standing, submerged, swimsuit, water, wet, white_bikini