FURVERT!

anthro anus arched_back backsack balls bottomwear bottomwear_down butt canid canine canis clothed clothing detailed_anus domestic_dog genitals grin hand_on_butt holding_butt leaning leaning_forward looking_back male mammal monochrome pants pants_down partially_clothed perineum presenting presenting_anus presenting_hindquarters rajii smile solo spread_butt spreading tail tail_anus yuguni_(yuguni)