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