Rule 34 Dev - animal_genitalia animal_penis anus balls bird_dog bodily_fluids canid canine canine_genitalia canine_penis canis claws domestic_dog feral floppy_ears fur fur_growth genital_fluids genitals growth human_to_feral hunting_dog kaeku kerchief knot labrador lying male mammal neckerchief on_back pawpads penis precum retriever solo species_transformation tan_body tan_fur toe_claws transformation|11041767464