yamaboshi ryuu, inari one (umamusume), umamusume, 1girl, animal ears, ass, bare shoulders, bikini, blue eyes, blush, bow, breasts, brown hair, collarbone, fang, fox mask, green eyes, hair between eyes, hair bow, horse ears, horse girl, horse tail, large breasts, long hair, looking at viewer, lying, mask, mask on head, navel, open mouth, purple bikini, simple background, smile, solo, stomach, swimsuit, tail, twintails