1girl, shiroko_(blue_archive), sig_sauer, gun, weapon, animal_ears, assault_rifle, rifle, scarf, blue_scarf, skirt, halo, solo, indoors, desk, blue_eyes, shirt, jacket, school_uniform, white_shirt, grey_hair, animal_ear_fluff, necktie, mismatched_pupils, hair_ornament, looking_at_viewer, window, sitting, bangs, school_desk, open_clothes, open_jacket, plaid_skirt, classroom, chair, plaid, blue_jacket, black_skirt, breast_pocket, pleated_skirt, pocket, fringe_trim, blue_necktie, shirt_tucked_in, long_sleeves, magazine_(weapon), medium_hair, extra_ears, locker, closed_mouth,