echieichi, sweep tosho (umamusume), umamusume, highres, 1girl, animal ears, black bow, black hairband, black skirt, blush, bow, bow hairband, braid, braided hair rings, brown hair, clenched teeth, clothing cutout, collarbone, hair rings, hairband, horse ears, horse girl, horse tail, long hair, looking at viewer, open mouth, pink shirt, purple eyes, shirt, shoulder cutout, simple background, skirt, solo, tail, teeth, thigh strap, twintails