1girl, animal_ears, blush, character_name, closed_mouth, corrupted_twitter_file, ear_ribbon, grass_wonder_(umamusume), horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, monochrome, pleated_skirt, sailor_collar, school_uniform, short_sleeves, skirt, solo, tail, thighhighs, tracen_school_uniform, traditional_media, tsukareta_san, umamusume, zettai_ryouiki