agnes tachyon (umamusume), umamusume, commentary request, highres, variant set, 1girl, ahoge, animal ears, bag, black skirt, bow, breasts, brown hair, chemical structure, coat, ear ornament, ear ribbon, earrings, glasses, green necktie, green ribbon, grey coat, hair between eyes, hands up, horse ears, horse girl, jewelry, kk (pixiv 83235599), long sleeves, looking at viewer, medium breasts, necktie, open clothes, open coat, open mouth, pinstripe jacket, pinstripe pattern, red eyes, ribbon, semi-rimless eyewear, short hair, shoulder bag, simple background, single earring, skirt, sleeves past fingers, sleeves past wrists, smile, solo, stitched neck, stitches, under-rim eyewear, white background, yellow skirt