1girl alternate_costume bangs blue_eyes blue_legwear blue_serafuku blue_skirt breasts brown_hair folte hair_ornament kantai_collection large_breasts long_skirt name_tag neckerchief ponytail sailor_collar saratoga_(kancolle) school_uniform serafuku short_sleeves side_ponytail simple_background skirt smile smokestack smokestack_hair_ornament solo white_neckerchief