Rule 34 Dev - 2016 ambiguous_gender animal_genitalia animal_penis blush cutie_mark dialogue duo english_text equine equine_penis erection feral fluttershy_(mlp) friendship_is_magic h3nger hair horse horsecock long_hair mammal monophallia my_little_pony penis penis_nose pony simple_background text twilight_sparkle_(mlp) white_background|3184000720