akagi koku, rice shower (umamusume), umamusume, commentary, highres, 1girl, animal ears, back bow, blush, bow, bowtie, closed mouth, frilled skirt, frills, full body, greyscale, hair over one eye, hands up, hat, horse ears, horse girl, horse tail, long hair, long sleeves, looking at viewer, monochrome, pleated skirt, sailor collar, school uniform, shirt, shoes, simple background, skirt, solo, standing, tail, thighhighs, tracen school uniform, white sailor collar, winter uniform, zettai ryouiki