Rule 34 Dev - 1girl animal_ears blue_sky breasts brown_eyes brown_hair closed_mouth collar colored_tips commentary dantsu_flame_(umamusume) day headband highres horse_ears horse_girl looking_at_viewer medium_breasts medium_hair mile multicolored_hair open_mouth outdoors ruisuke short_hair sky solo umamusume upper_body yellow_eyes|22620078702