1girl akinashi_yuu bare_legs black_suit blue_archive blue_necktie blush feet_out_of_frame formal grey_background halo hands_on_lap id_card invisible_chair jacket jacket_partially_removed long_hair long_sleeves looking_at_viewer necktie off_shoulder parted_lips purple_eyes purple_hair shirt sidelocks simple_background sitting solo suit two-sided_fabric two-sided_jacket two_side_up white_jacket white_shirt yuuka_(blue_archive)