herohero (higashi no dou), nice nature (umamusume), umamusume, absurdres, commentary request, highres, 1girl, alternate breast size (larger), alternate costume, animal ears, bikini, blush, breasts, cleavage, ear covers, ear ornament, greyscale, horse ears, horse girl, horse tail, large breasts, long hair, looking at viewer, monochrome, navel, open mouth, simple background, smile, solo, striped bikini, striped clothes, swimsuit, tail, thighs, twintails, white background