1girl, armband, closed_eyes, feet_out_of_frame, fingerless_gloves, girls'_frontline, gloves, grey_background, greyscale, gun, h&k_ump, holding, holding_gun, holding_weapon, jacket, knee_pads, monochrome, nakiusagi, navel, open_mouth, pleated_skirt, scar, scar_across_eye, simple_background, sketch, skirt, smile, solo, submachine_gun, thigh_strap, twintails, ump9_(girls'_frontline), weapon