1girl artist_name beret bikini black_bikini black_headwear blue_eyes blush breasts collarbone commentary_request grey_hair halterneck hand_in_own_hair hand_on_own_cheek hand_on_own_face hat kantai_collection kashima_(kancolle) large_breasts leaning_forward long_hair long_sleeves looking_at_viewer navel open_mouth pink_background shirt simple_background solo sousouman swimsuit twintails white_shirt