Rule 34 Dev - 4_toes all_fours anal anal_knotting anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro anus backsack balls biped blush bodily_fluids bound butt canine_genitalia canine_penis cum cum_inside cutaway doggystyle dominant dominant_male duo erection feet from_behind_position fur genital_fluids genitals internal knot knotting male male/male male_penetrated male_penetrating male_penetrating_male nude open_mouth penetration penis perineum sex simple_background submissive submissive_male toes tongue tongue_out white_balls pandx duke_corgi ruska canid canine canis domestic_dog herding_dog mammal pastoral_dog welsh_corgi 2017|7655792410