miboshi_moroboshi, katsuragi_ace_(umamusume), year_2024, 1girl, :d, animal_ears, birthday, black_hair, black_jacket, blue_eyes, blush, dated, ear_covers, hair_between_eyes, hair_ornament, happy_birthday, horse_ears, horse_girl, jacket, long_hair, long_sleeves, looking_to_the_side, multicolored_hair, ponytail, shirt, simple_background, smile, solo, streaked_hair, tassel, tassel_hair_ornament, upper_body, white_background, white_hair, white_shirt, highres, umamusume