Rule 34 Dev - all_fours ambiguous_gender animal_genitalia anthro balls bdsm blush bodily_fluids brown_eyes collar cum doggystyle duo erection from_behind_position fur genital_fluids genitals hair leash male nipples nude open_mouth pawpads paws penis sex text birdsmooch artie canid canine canis domestic_dog mammal 2015 alpha_channel|2967686470