1boy 1girl absurdres animal_ears bow ear_covers greyscale gym_shirt gym_shorts gym_uniform hair_bow highres horse_ears horse_girl kakuteru_sudachi king_halo_(umamusume) long_hair monochrome necktie original_race_uniform_(umamusume) shirt short_sleeves shorts surprised tail_slapping trainer_(umamusume) umamusume vest white_shirt