akagi koku, copano rickey (umamusume), umamusume, commentary, highres, 1girl, :d, ahoge, animal ears, back bow, blush, bow, bowtie, double bun, ear covers, fang, frilled skirt, frills, full body, greyscale, hair bun, hand up, horse ears, horse girl, horse tail, long hair, looking at viewer, monochrome, multicolored hair, open mouth, pleated skirt, sailor collar, school uniform, shirt, shoes, short sleeves, simple background, skirt, smile, solo, standing, summer uniform, tail, thighhighs, tracen school uniform, two-tone hair, white background, zettai ryouiki