1girl, animal_ears, armpits, arms_up, bad_pixiv_id, breasts, brown_hair, cleavage, collarbone, dancing, detached_sleeves, horse_ears, horse_girl, long_hair, looking_at_viewer, medium_breasts, neokinayo, simple_background, solo, steaming_body, sweat, umamusume, umapyoi_densetsu, yamanin_zephyr_(umamusume), yellow_eyes