1girl, air_groove_(are_you_merry?)_(umamusume), air_groove_(umamusume), animal_ears, black_choker, blue_eyes, blurry, blurry_background, blush, bob_cut, bokeh, bow, breasts, brown_hair, capelet, choker, christmas, christmas_tree, cleavage, depth_of_field, dress, ear_bow, fur-trimmed_capelet, fur_trim, half-closed_eyes, hand_on_own_chest, hat, horse_ears, horse_girl, large_breasts, looking_at_viewer, official_alternate_costume, open_mouth, plaid, plaid_dress, red_capelet, red_dress, red_headwear, ribbon_choker, santa_costume, santa_hat, selfie, shirokuma_a, short_hair, smile, solo, swept_bangs, umamusume, upper_body, viewfinder