1girl artist_name bangs black_hair black_vest blue_eyes bukkuri closed_mouth commentary dated girls_und_panzer green_jacket grey_background hand_in_own_hair highres insignia jacket long_hair long_sleeves looking_at_viewer military military_uniform nonna_(girls_und_panzer) pravda_military_uniform red_shirt shirt signature simple_background smile solo swept_bangs turtleneck uniform upper_body vest zipper