Rule 34 Dev - alternate_costume animal_ears arm_up armpits cheerleader hair_ornament headband highres horse_ears horse_girl horse_tail looking_at_viewer navel nekomu nishino_flower_(umamusume) pom_pom_(cheerleading) purple_eyes short_hair simple_background sleeveless tail umamusume white_background x_hair_ornament|16085054466