2girls, alternate_costume, animal_ears, bad_twitter_id, breast_envy, breasts, brown_hair, chibi, cleavage, collar, ear_ornament, hair_between_eyes, horse_ears, horse_girl, large_breasts, long_hair, long_sleeves, looking_at_viewer, mmm_(mmm623), multicolored_hair, multiple_girls, open_mouth, pout, red_eyes, shirt, sirius_symboli_(umamusume), solo_focus, streaked_hair, symboli_rudolf_(umamusume), twitter_username, umamusume, unbuttoned, unbuttoned_shirt, very_long_hair, white_shirt