1girl, alternate_costume, animal_ears, bare_shoulders, blush, bow, bowtie, box, breasts, brown_pantyhose, christmas_tree, closed_mouth, dress, earrings, feet_out_of_frame, gift, gift_box, hand_in_own_hair, horse_ears, horse_girl, horse_tail, jewelry, long_hair, looking_at_viewer, lying, mefuyaka, mejiro_mcqueen_(umamusume), off-shoulder_dress, off_shoulder, on_side, pantyhose, pom_pom_(clothes), purple_eyes, purple_hair, red_dress, santa_costume, short_sleeves, small_breasts, smile, solo, tail, thighs, umamusume