Rule 34 Dev - anal anal_knotting anal_penetration animal_genitalia anthro anthro_on_feral anthro_penetrated balls_deep bestiality blue_eyes duo erection feral feral_penetrating feral_penetrating_anthro from_behind_position fur genitals interspecies intraspecies intraspecies_bestiality knot knotting male male/male male_on_anthro male_on_bottom male_penetrated male_penetrating male_penetrating_male mating_grip mounting nude on_bottom on_top penetration penile penile_penetration penis quadruped sex simple_background tail white_background white_body white_fur raphial zoophilic canid canine canis domestic_dog german_shepherd herding_dog mammal pastoral_dog wolf|1063559595