Rule 34 Dev - 1girl animal_ears black_hair blush breasts crown detached_sleeves finger_to_mouth green_eyes hair_ornament heart highres horse_ears horse_tail kibihimi long_hair looking_at_viewer medium_breasts one_eye_closed satono_crown_(umamusume) shorts side_ponytail simple_background sitting solo tail umamusume white_background|20507901921