akishima kei, sanya v. litvyak, strike witches, world witches series, silver hair, 00s, 1girl, alternate costume, animal ears, apron, black thighhighs, blush, cat ears, cat tail, choker, elbow gloves, enmaided, female focus, gloves, green eyes, light smile, looking at viewer, maid, maid apron, maid headdress, short hair, simple background, solo, standing, tail, thighhighs, waist apron, white background, zettai ryouiki