1girl abs ball bare_arms bare_legs bare_shoulders bikini blue_bikini blue_hair blush breasts cleavage collarbone cowboy_shot grey_eyes highres holding holding_ball kantai_collection kokuzou large_breasts long_hair multicolored_hair navel official_alternate_costume open_mouth red_hair smile solo south_dakota_(kancolle) sports_bikini swimsuit toned visor_cap volleyball