Rule 34 Dev - 2019 animal_genitalia animal_penis balls canid canine canis cum domestic_dog duo equid equine equine_penis erection fellatio feral feral_on_feral hi_res hindpaw horse horsecock husky lorn lornsky male mammal nordic_sled_dog open_mouth oral orgasm paws penile penis sex simple_background size_difference smile spitz tongue tongue_out yaoi|3620028152