1girl, animal ears, artist self-insert, bangs, clenched hand, closed eyes, comic, ear ornament, ears down, flying sweatdrops, genderswap, genderswap (mtf), greyscale, hands on own head, horse ears, horse girl, imagining, medium hair, monochrome, original, sitting, solo, speech bubble, sweatdrop, track suit, umamusume, yu'nyanko-chan (yu'nyanko), yunekoko