Rule 34 Dev - animal_genitalia anus balls bipedal clitoris disembodied_penis drooling duo equine erection female friendship_is_magic furry graphographer half-closed_eyes hooves horn horse horsecock male mammal monochrome my_little_pony navel open_mouth penetration penis plain_background pony pussy pussy_juice saliva sitting smile stomach_bulge straight teeth tongue twilight_sparkle_(mlp) vaginal_penetration vein white_background|2003322488