n4391, agnes tachyon (tach-nology) (umamusume), agnes tachyon (umamusume), umamusume, commentary, english commentary, 1girl, ahoge, animal ears, ass, black pantyhose, blush, breasts, brown hair, chemical structure, coat, cork, e=mc2 (equation), earrings, film grain, hair between eyes, horse ears, horse girl, horse tail, huge ahoge, jewelry, lab coat, long sleeves, math, medium breasts, medium hair, necktie, open mouth, pantyhose, red eyes, shirt, short necktie, single earring, sleeves past fingers, sleeves past wrists, smile, solo, sweat, sweater, sweater vest, tail, test tube, white coat, wolf cut, yellow sweater, yellow sweater vest