1girl, animal ears, backpack, bag, cannon, cat ears, cat girl, day, desert, double-barreled shotgun, double barrels, full body, greyscale, gun, hair over one eye, headset, hill, holding, holding weapon, jacket, land striker, long sleeves, looking at viewer, medium hair, military, military uniform, monochrome, no pants, outdoors, running, ruuen rouga, sand, shotgun, solo, strike witches (lionheart witch), theodora kleff, uniform, weapon, world witches series