1girl black_skirt blue_archive blue_necktie blush breasts closed_mouth collared_shirt cowboy_shot drone flukhan gun halo highres jacket large_breasts long_hair long_sleeves mechanical_halo necktie pleated_skirt purple_hair shirt simple_background skirt smile solo suit two_side_up violet_eyes weapon white_background white_jacket white_shirt yuuka_(blue_archive)