Rule 34 Dev - animal_genitalia animal_penis balls bench dialogue duo equine_genitalia equine_penis erection feathered_wings feathers female feral fur genitals gynomorph hair half-closed_eyes horn intersex long_hair narrowed_eyes nude on_bench penis sitting standing text vein wings ponyographer friendship_is_magic hasbro my_little_pony mythology fluttershy_(mlp) twilight_sparkle_(mlp) equid equine mammal mythological_creature mythological_equine pegasus unicorn 2013 black_and_white english_text greyscale monochrome sketch|1831953410