1girl, arthur_ko, asagumo_(kancolle), bare_arms, bare_legs, bare_shoulders, beach, bikini, black_bikini, blue_eyes, blush, breasts, brown_hair, clothes_writing, cloud, cloudy_sky, day, halterneck, headband, kantai_collection, long_hair, navel, ocean, open_mouth, outdoors, ponytail, side-tie_bikini_bottom, sky, small_breasts, solo, string_bikini, swimsuit, twitter_username, white_headband