1girl, air groove (umamusume), animal ears, bangs, breasts, casual, cleavage, collarbone, ear bow, ear chain, eyes visible through hair, greyscale, hair between eyes, horse ears, horse girl, jacket, long sleeves, looking at viewer, monochrome, official alternate costume, open clothes, open jacket, short hair, simple background, solo, umamusume, upper body, white background, yunekoko