amo (pixiv24460428), agnes tachyon (umamusume), umamusume, highres, variant set, 1girl, ahoge, animal ears, arm under breasts, bare shoulders, bra strap, breasts, brown hair, chemical structure, cleavage, collarbone, ear ornament, earrings, furrowed brow, hair between eyes, hand to own mouth, hand up, horse ears, horse girl, jewelry, medium hair, necklace, off-shoulder shirt, off shoulder, open mouth, purple shirt, red eyes, shirt, single earring, smile, solo