old-night, agnes tachyon (umamusume), umamusume, commentary, symbol-only commentary, 1girl, :d, ahoge, animal ears, black leg warmers, blue background, border, brown hair, centaur, earrings, full body, hair between eyes, holding, holding test tube, horse ears, horse girl, horse tail, huge ahoge, jewelry, lab coat, leg warmers, long sleeves, looking at viewer, lying, medium hair, necktie, on stomach, open mouth, red eyes, shirt, short necktie, single earring, sleeves past fingers, sleeves past wrists, smile, solo, tail, taur, test tube, white border, wolf cut