kotoramaru, symboli rudolf (umamusume), umamusume, absurdres, commentary request, highres, 1girl, animal ears, blush, book, bow, bowtie, breasts, brown hair, closed mouth, earrings, hair between eyes, holding, holding book, horse ears, horse girl, horse tail, jewelry, long hair, looking at viewer, multicolored hair, pleated skirt, puffy short sleeves, puffy sleeves, purple bow, purple bowtie, purple eyes, purple shirt, sailor collar, sailor shirt, school uniform, shirt, short sleeves, sitting, skirt, smile, streaked hair, tail, white hair, white sailor collar, white skirt