nice nature (umamusume), umamusume, highres, 1girl, animal ears, black dress, blush, boots, bow, brown boots, brown eyes, brown hair, chibi, chibi only, closed mouth, dress, ear bow, ear covers, frilled dress, frills, full body, green bow, grey background, heart, horse ears, horse girl, horse tail, knee boots, lace-up boots, long hair, long sleeves, looking at viewer, sample watermark, simple background, smile, solo, tail, twintails, watermark, xing mang bei zhan le