herohero (higashi no dou), satono diamond (umamusume), umamusume, absurdres, commentary request, highres, 1girl, animal ears, arms behind head, arms up, ass, breasts, clothing cutout, dolphin shorts, ear ornament, from behind, greyscale, horse ears, horse girl, horse tail, large breasts, looking at viewer, looking back, monochrome, monochrome background, outside border, partially colored, request inset, shorts, sketch background, solo, tail, tail through clothes, thighs