Rule 34 Dev - 2017 all_fours animal_genitalia animal_penis animal_pussy border_collie canine canine_penis closed_eyes collie doggy_style duo erection female feral feral_on_feral from_behind_position fur hair in_heat knot looking_back male male_penetrating mammal open_mouth penetration penis pussy pussy_juice septicsyntax sex smile straight tongue tongue_out vaginal_penetration wolf|2795927176