FURVERT!

1:1 all_fours animal_genitalia animal_penis anthro anus backsack balls biped butt canid canine canine_genitalia canine_penis canis claws domestic_dog erection feet genitals german_shepherd green_eyes grin hair herding_dog hi_res looking_at_viewer looking_back male mammal nude pastoral_dog pawpads penis perineum presenting rear_view red_hair smile solo staggard xasyr