FURVERT!

4_toes animal_genitalia animal_penis anthro anus arcshep backsack balls butt canid canine canine_genitalia canine_penis canis claws collar digital_media_(artwork)digitigrade domestic_dog erection feet fur genitals german_shepherd herding_dog hindpaw knot leash male mammal nude pastoral_dog pawpads paws penis perineum seth-iova simple_background soles solo toes white_balls white_perineum