Rule 34 Dev - 2015 animal_genitalia anus backsack balls blue_hair closed_eyes comet_tail_(mlp) cutie_mark duo echorelic equine fan_character fellatio feral friendship_is_magic gay hair head_grab horn horse horsecock male mammal my_little_pony noteworthy_(mlp) oral penis puffy_anus purple_background saliva sex simple_background unicorn|1860159160