Rule 34 Dev - 2015 3boys animal_genitalia anus big_penis black_fur blue_eyes brown_eyes brown_fur canine canine_penis captured claws collar dogsoul domination erection fangs feral fur furry gay grey_eyes group imminent_rape interspecies knot male male_only mammal pawpads paws penis plain_background raccoon rottweiler size_difference teeth testicles tongue tongue_out wolf yaoi|1915919288