taiyang yu, agnes tachyon (umamusume), umamusume, absurdres, highres, 1girl, ahoge, animal ears, black pantyhose, breasts, brown eyes, brown hair, earrings, hair between eyes, horse ears, horse girl, horse tail, huge ahoge, jewelry, lab coat, large breasts, long sleeves, looking at viewer, necktie, pantyhose, parted lips, red eyes, shirt, shoes, short hair, short necktie, single earring, sleeves past fingers, sleeves past wrists, smile, solo, sweater, sweater vest, tail, test tube, yellow sweater, yellow sweater vest