mouhantain, agnes tachyon (tach-nology) (umamusume), agnes tachyon (umamusume), umamusume, umamusume: beginning of a new era, character request, highres, 1girl, animal ears, black necktie, bow, coat, cork, glasses, hem peeking out, horse ears, horse girl, lab coat, long hair, long sleeves, necktie, pantyhose, pink bow, pink eyes, shirt, short necktie, sleeves past fingers, sleeves past wrists, smile, solo, sweater, sweater vest, test tube, white coat, yellow sweater, yellow sweater vest