1girl, ahoge, alternate_costume, animal_ears, black_hair, blue_eyes, blurry, blurry_background, blush, breasts, cleavage, confetti, cosplay, daring_tact_(umamusume), detached_sleeves, hair_ornament, horse_ears, horse_girl, liukensama, looking_at_viewer, medium_breasts, medium_hair, open_mouth, solo, umamusume, yamanin_zephyr_(umamusume), yamanin_zephyr_(umamusume)_(cosplay)