akagi koku, rice shower (umamusume), umamusume, commentary, highres, 1girl, animal ears, back bow, between legs, blush, bow, bowtie, closed mouth, collarbone, frilled skirt, frills, full body, greyscale, hair over one eye, hand between legs, hand up, hat, horse ears, horse girl, horse tail, long hair, long sleeves, monochrome, pleated skirt, sailor collar, school uniform, shirt, shoes, simple background, sitting, skirt, solo, tail, thighhighs, tracen school uniform, wariza, zettai ryouiki