Rule 34 Dev - 1boy 1girl doodle_sensei_(blue_archive) blue_archive closed_mouth collared_shirt formal_clothes grey_hair halo highres id_card long_hair long_sleeves looking_at_viewer mechanical_halo monogrbl necktie sensei_(blue_archive) shirt simple_background suit two_side_up upper_body white_background yuuka_(blue_archive)|20039153472