purin jiisan, symboli rudolf (umamusume), umamusume, highres, 1girl, animal ears, blush, bow, bowtie, breasts, brown hair, closed mouth, earrings, hair between eyes, horse ears, horse girl, jewelry, long hair, long sleeves, looking at viewer, multicolored hair, purple eyes, purple sailor collar, purple serafuku, purple shirt, sailor collar, sailor shirt, school uniform, serafuku, shirt, simple background, single earring, streaked hair, tracen school uniform, upper body, white bow, white bowtie, white hair