1girl, arms_behind_head, bikini, black_bikini, black_hair, blue_sky, blush, breasts, cleavage, cloud, day, looking_at_viewer, ocean, original, outdoors, parted_lips, partially_submerged, red_hair, see-through, short_hair, sky, solo, swimsuit, tsukumo_nikyu, two_side_up, wet, wet_clothes