1girl, animal_ears, bad_pixiv_id, black_hair, blush, breasts, buruma, gym_uniform, hair_ornament, hairclip, horse_ears, horse_girl, long_hair, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), purple_eyes, shirt, sitting, solo, thighs, tracen_training_uniform, umamusume, zeatto