1girl, animal_ears, bad_pixiv_id, black_hair, blue_eyes, boots, ear_covers, full_body, gloves, grin, horse_ears, horse_girl, horse_tail, katsuragi_ace_(umamusume), long_sleeves, looking_at_viewer, mochiyukimi21, multicolored_hair, ponytail, red_gloves, simple_background, smile, solo, streaked_hair, tail, teeth, umamusume, white_background, white_footwear, white_hair