2girls absurdres animal_ears ass bell christmas_star christmas_tree collar dress fur-trimmed_dress fur-trimmed_sleeves fur_trim gold_ship_(umamusume) green_ribbon grey_hair hair_ribbon hat highres horse_ears horse_girl long_hair mejiro_mcqueen_(umamusume) multiple_girls neck_bell purple_eyes purple_hair red_collar red_dress red_sleeves ribbon samip santa_costume tail umamusume