1girl arms_behind_back artist_logo artist_name bangs black_choker black_hair black_sailor_collar black_skirt blush breasts choker cleavage closed_mouth ergot fubuki_(kancolle) fubuki_kai_ni_(kancolle) green_eyes grey_background hair_between_eyes heart-shaped_lock heart_lock_(kantai_collection) kantai_collection large_breasts pleated_skirt sailor_collar school_uniform serafuku short_hair short_ponytail short_sleeves simple_background skirt solo upper_body