Rule 34 Dev - 1girl 2024 animal_ears bell belt blonde_hair blue_footwear blue_santa_costume breasts christmas creape dated dress ear_ornament forehead hat highres horse_ears horse_girl horse_tail medium_breasts mistletoe narita_top_road_(umamusume) orange_eyes santa_costume santa_dress santa_hat smile snow solo tail thighs umamusume|24749581545