1girl, alternate_costume, black_hair, blue_archive, breasts, chair, chuo8008, collared_shirt, extra, grey_eyes, halo, holding, indoors, looking_at_viewer, mask, mouth_mask, office_lady, on_chair, pantyhose, pencil_skirt, shirt, side_ponytail, sitting, skirt, solo, sukeban_(smg)_(blue_archive), white_shirt