keenbiscuit, grass wonder (umamusume), umamusume, highres, 1girl, animal ears, bow, bowtie, brown hair, chibi, closed eyes, ear bow, ear ornament, ear ribbon, horse ears, horse girl, horse tail, long hair, multicolored hair, open mouth, purple bow, purple bowtie, purple sailor collar, purple serafuku, purple shirt, purple skirt, sailor collar, sailor shirt, school uniform, serafuku, shirt, simple background, skirt, smile, solo, tail, tracen school uniform, waving, white background, white hair, white sailor collar, white skirt