agnes tachyon (tach-nology) (umamusume), agnes tachyon (umamusume), umamusume, umamusume: beginning of a new era, highres, official art, 1girl, ahoge, animal ears, black necktie, black pantyhose, breasts, brown hair, brown tail, cardigan, closed mouth, coat, collared shirt, dot nose, ear ornament, earrings, female focus, full body, horse ears, horse girl, horse tail, jewelry, lab coat, long sleeves, looking at viewer, medium hair, necktie, no pants, pantyhose, red eyes, shirt, shirt under sweater, shirt under vest, shoes, sleeves past fingers, sleeves past wrists, small breasts, smile, solo, solo focus, sweater, sweater vest, tail, white coat, white shoes, yellow cardigan, yellow sweater, yellow sweater vest