agnes tachyon (umamusume), umamusume, absurdres, highres, 1girl, ahoge, artist name, black necktie, black shirt, blush, book, brown pantyhose, chair, chemical structure, closed mouth, coat, collared shirt, computer mouse, cup, ear ornament, earrings, hair between eyes, hands up, holding, holding book, huge ahoge, jewelry, lab coat, long coat, looking at viewer, mug, necktie, on chair, open clothes, open coat, pantyhose, paper, pen, raamy842, red eyes, selfie, shirt, single earring, sitting, sleeves past fingers, sleeves past wrists, solo, sweater, swivel chair, table, white coat, yellow sweater