akagi koku, rice shower (umamusume), umamusume, commentary, highres, 1girl, animal ears, blush, closed mouth, ears down, frilled skirt, frills, full body, greyscale, hands up, 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, tail, thighhighs, tracen school uniform, zettai ryouiki