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, hat, horse ears, horse girl, horse tail, hugging own legs, knees up, long hair, long sleeves, looking at viewer, monochrome, pleated skirt, school uniform, shirt, shoes, simple background, sitting, skirt, solo, tail, thighhighs, tracen school uniform, zettai ryouiki