1girl, alternate_costume, animal_ears, bad_pixiv_id, blue_hair, borrowing_race, braid, buruma, cowboy_shot, crown_braid, ear_ornament, gym_shirt, gym_uniform, holding, holding_paper, horse_ears, horse_girl, long_hair, looking_at_viewer, mejiro_ardan_(umamusume), osashimisan, paper, purple_eyes, red_buruma, shirt, smile, solo, tracen_training_uniform, umamusume, white_shirt