1girl, amazu (kurozu), aoi (amazu), bare shoulders, black socks, blue eyes, blue hair, blue shorts, boxing gloves, breasts, dark-skinned female, dark skin, eyebrows hidden by hair, from behind, grey background, hair bun, looking at viewer, looking back, medium breasts, no shoes, original, short eyebrows, short shorts, shorts, simple background, socks, solo, standing, stirrup legwear, thick eyebrows, toeless legwear