1girl arm_up bad_id bad_pixiv_id black_socks blush brown_hair closed_eyes coupon_(skyth) fubuki_(kancolle) highres kantai_collection kneehighs low_ponytail navel neckerchief open_mouth pleated_skirt ponytail school_uniform serafuku short_ponytail sidelocks simple_background skirt smile socks solo white_background