1girl, animal_ears, bare_shoulders, breasts, cleavage, collarbone, detached_sleeves, hair_between_eyes, hair_ornament, heavy_breathing, horse_ears, horse_girl, jewelry, looking_at_viewer, necklace, open_mouth, portrait, pov_adoring, simple_background, solo, takiki, umamusume, yamanin_zephyr_(umamusume)