2girls, anger_vein, animal_ears, black_hair, brown_hair, heads_together, horse_ears, horse_girl, long_hair, mukakin, multicolored_hair, multiple_girls, open_mouth, purple_eyes, red_eyes, short_hair, simple_background, sirius_symboli_(umamusume), smile, streaked_hair, symboli_rudolf_(umamusume), two-tone_hair, umamusume, white_background