nida keita, narita taishin (umamusume), umamusume, highres, 1girl, animal ears, blue eyes, blush, breasts, brown hair, clothing cutout, collarbone, cropped shirt, detached collar, ear ornament, embarrassed, hair between eyes, heart, heart hands, horse ears, horse girl, horse tail, layered skirt, looking at viewer, meni shuki rush-sshu!, midriff, navel, open mouth, pink shirt, pink skirt, pink socks, shirt, short hair, shoulder cutout, simple background, sitting, skirt, socks, solo, tail, teeth, white background, yokozuwari