katagiri nanoka, air groove (umamusume), umamusume, absurdres, commentary request, highres, 1girl, animal ears, black bow, black bowtie, blue eyes, bow, bowtie, breasts, brown hair, ear ornament, horse ears, horse girl, horseshoe ornament, large breasts, looking at viewer, multicolored shirt, pink background, purple shirt, sailor collar, school uniform, shirt, short hair, short sleeves, simple background, solo, tracen school uniform, upper body, white sailor collar