a4 (a4 eishi), dream journey (umamusume), umamusume, absurdres, highres, 1girl, animal ear fluff, animal ears, artist name, boots, closed mouth, coat, colored inner hair, cross-laced hairband, eyewear strap, fishnets, glasses, greyscale, hair between eyes, hair ribbon, hand up, high heel boots, high heels, horse ears, horse girl, horse tail, jewelry, lace-up boots, long sleeves, looking at viewer, monochrome, multicolored hair, multiple rings, puffy sleeves, ribbon, ring, signature, simple background, smile, solo, tail, white background