1girl, ai_arctic_warfare, arknights, bolt_action, brown_jacket, cartridge, casing_ejection, closed_mouth, gun, halo, holding, holding_gun, holding_weapon, jacket, lemuen_(arknights), long_hair, long_sleeves, nameko_houshi, open_clothes, open_jacket, pink_eyes, pink_hair, rifle, shell_casing, shirt, simple_background, sniper_rifle, solo, striped, striped_shirt, vertical-striped_shirt, vertical_stripes, weapon, white_background, white_shirt