akagi koku, mejiro mcqueen (umamusume), umamusume, commentary, highres, 1girl, animal ears, back bow, blush, bow, bowtie, bright pupils, closed mouth, ear bow, frilled skirt, frills, full body, greyscale, horse ears, horse girl, horse tail, leaning forward, long hair, looking at viewer, monochrome, pleated skirt, sailor collar, school uniform, shirt, shoes, short sleeves, simple background, skirt, solo, standing, tail, thighhighs, tracen school uniform, zettai ryouiki