FURVERT!

4:3 absurd_res animal_genitalia animal_penis anthro anus ass_up backsack balls bambii_dog butt canid canine canine_genitalia canine_penis erection genitals half-closed_eyes hi_res knot looking_at_viewer male mammal narrowed_eyes notched_ear nude pawpads penis perineum presenting presenting_hindquarters raised_tail scar smile solo tail tongue tongue_out vein