1girl, 2021, animal ears, biwa hayahide (noel rouge carol) (umamusume), biwa hayahide (umamusume), blush, breasts, brooch, cleavage, glasses, horse ears, horse girl, jewelry, large breasts, long hair, long sleeves, looking at viewer, official alternate costume, open mouth, semi-rimless eyewear, solo, sparkle background, suzu (suzuame329), tiara, umamusume, white hair, yellow eyes