Rule 34 Dev - 2014 anal anal_insertion anal_sex anal_vore anus equine eyelashes female feral friendship_is_magic greyscale group hair horn insertion lying mammal monochrome my_little_pony on_back open_mouth original_character penetration ponythroat pussy rarity_(mlp) teeth tongue twilight_sparkle_(mlp) unbirthing unicorn vore yuri|1738108264