agnes tachyon (tach-nology) (umamusume), agnes tachyon (umamusume), t-head trainer (umamusume), trainer (umamusume), umamusume, commentary, highres, 0840gannbru, 1girl, animal ears, beaker, black necktie, black pantyhose, book, book stack, boots, brown hair, character doll, closed mouth, crossed legs, doll, erlenmeyer flask, flask, full body, horse ears, horse girl, horseshoe, lab coat, looking at viewer, necktie, pantyhose, pasteur pipette, sitting, smile, solo, split mouth, sweater, white boots, yellow sweater