milkshakework, commentary_request, painttool_sai_(medium), revision, 1girl, beach, blonde_hair, blue_eyes, blush, breasts, flower, hair_flower, hair_ornament, lifebuoy, long_hair, looking_at_viewer, navel, one-piece_tan, open_mouth, outdoors, sailor_collar, school_swimsuit, school_uniform, serafuku, sitting, slippers, small_breasts, solo, swim_ring, swimsuit, swimsuit_under_clothes, tan, tanlines, tears, torn_clothes, torn_swimsuit, torpedo, underboob, wariza, water, ro-500_(kancolle), kantai_collection, year_2015, 