siomi n, buena vista (umamusume), umamusume, commentary request, highres, 1girl, animal ears, blush, braid, breasts, brown hair, checkered hairband, closed eyes, closed mouth, collared shirt, ear covers, hair between eyes, hairband, horse ears, horse girl, horse tail, long hair, long sleeves, looking at viewer, marshmallow (site), medium breasts, medium hair, one eye closed, open mouth, purple eyes, shirt, simple background, smile, tail, thighhighs, white background, white shirt, white thighhighs