Rule 34 Dev - 2017 anatomically_correct anatomically_correct_penis animal_genitalia animal_penis animal_pussy ass black_fur canine canine_pussy comic dialogue duo equine equine_penis erection female feral feral_on_feral fur german_shepherd horse horsecock interspecies lying male male_penetrating mammal on_back patreon penetration penis pussy size_difference small_dom_big_sub straight tailshigh text vaginal_penetration|2597877752