Rule 34 Dev - 1futa 2013 animated autofellatio blonde_hair cum cum_in_mouth cutie_mark dedline deep_throat derpy_hooves english_text equine fellatio feral friendship_is_magic futanari grey_fur hair horse intersex lying masturbation my_little_pony on_back oral oral_sex pegasus penis plain_background pony sex solo text white_background wings yellow_eyes|1566082976