Rule 34 Dev - 2014 animal_genitalia anus ass balls blue_fur cutie_mark duo equine feral friendship_is_magic fur furry furry_only gamesadict horse horsecock lying male male_only mammal multiple_males my_little_pony on_front penis penis_backwards plain_background pony purple_fur rainbow_dash_(mlp) twilight_sparkle_(mlp) vein yaoi|1889570448