1girl, animal_ears, bad_pixiv_id, black_hair, blush, gaze_on_me!_outfit_(umamusume), hair_ornament, hairclip, horse_ears, horse_girl, long_hair, looking_at_viewer, mejiro_dober_(umamusume), midriff, open_mouth, purple_eyes, shorts, solo, stage, umamusume, zeatto