1girl, agnes tachyon (umamusume), ahoge, alternate costume, animal ears, bangs, bare shoulders, black pants, blurry, breasts, brown hair, depth of field, feet out of frame, grey background, horse ears, horse girl, horse tail, jewelry, looking at viewer, medium hair, necklace, off shoulder, pants, red eyes, sei (bigaa), shirt, simple background, sleeves past fingers, sleeves past wrists, small breasts, smile, solo, standing, tail, tank top, umamusume, white shirt