catherine (arknights), arknights, commentary request, highres, 1girl, animal ears, black gloves, black jacket, breasts, brown pants, cat girl, cat tail, closed mouth, crossed legs, earpiece, english text, extra ears, feet out of frame, gloves, goggles, goggles on head, grey eyes, grey hair, hair over one eye, hand on own knee, jacket, long hair, long sleeves, looking at viewer, magnum 0000, marshmallow (site), old, old woman, open clothes, open jacket, pants, ponytail, red sweater, removing eyewear, sidelocks, simple background, sitting, smile, solo, sweater, tail, turtleneck, turtleneck sweater, white background