1girl alternate_costume animal_ears bell black_thighhighs bow bowtie brown_hair crossed_legs dress earrings feet_out_of_frame fur-trimmed_gloves fur_trim gloves green_dress hat holding holding_star horse_ears horse_girl jewelry jingle_bell long_hair looking_at_viewer mauve multicolored_hair purple_eyes red_bow red_bowtie red_gloves ribbed_dress santa_hat sitting sleeveless sleeveless_dress smile solo star_(symbol) streaked_hair symboli_rudolf_(umamusume) thighhighs two-tone_hair umamusume white_hair