Rule 34 Dev - animal_genitalia animal_penis artist_name blush closed_eyes cum_from_mouth cutie_mark dripponi duo earth_pony equine equine_penis erection fan_character featureless_legs fellatio horn horse horsecock knyght_tyme looking_pleasured lying male mammal medial_ring my_little_pony on_back open_mouth oral oral_penetration penetration penis perineum pony precum quadruped sex sheath spread_legs spreading unicorn wyvern_writer yaoi|2536970176