Rule 34 Dev - 1girl artist_name black_hair black_neckerchief blouse bob_(you-u-kai) brown_eyes commentary frown girls_und_panzer hairband long_hair looking_at_viewer neckerchief ooarai_school_uniform open_mouth reizei_mako sailor_collar school_uniform serafuku shirt signature solo upper_body white_hairband white_sailor_collar white_shirt|13336875162