0dot001hz, 1girl, arona_(blue_archive), black_choker, black_serafuku, blue_archive, choker, grey_background, grey_eyes, halo, long_hair, looking_at_viewer, monochrome, neckerchief, pink_eyes, plana_(blue_archive), school_uniform, serafuku, simple_background, solo, white_hair, white_neckerchief