Rule 34 Dev - 2014 abstract_background alicorn andaluce balls bed blue_eyes cutie_mark duo equine erection fellatio female friendship_is_magic fur hair horn horse lying male mammal my_little_pony nude open_mouth oral oral_sex penis pillow pony princess_cadance_(mlp) saliva sex shining_armor_(mlp) straight tongue tongue_out unicorn white_fur wings|1796092392