1girl, armband, bad_twitter_id, black_coat, black_eyes, black_headwear, black_shirt, black_skirt, blue_archive, book, closed_mouth, coat, collared_shirt, feet_out_of_frame, grey_background, halo, holding, holding_book, iroha_(blue_archive), long_hair, long_sleeves, looking_at_viewer, necktie, pencil_skirt, pink_hair, red_necktie, shirt, simple_background, sitting, skirt, smile, solo, very_long_hair, yokozuwari, yoon_cook