2016 animal_genitalia animal_penis blue_eyes duo earth_pony equine equine_penis erection female feral feral_on_feral fluttershy_(mlp) friendship_is_magic hair half-closed_eyes horn horse horsecock licking mammal multicolored_hair my_little_pony penis pink_hair pony purple_eyes rule_63 tongue tongue_out twilight_sparkle_(mlp) twiren unicorn