FURVERT!

1:1 2017 aaron_(artist)animal_genitalia animal_penis anthro anus backsack balls butt canid canine canine_genitalia canine_penis canis genitals hi_res looking_at_viewer looking_back looking_back_at_viewer looking_down looking_down_at_viewer male mammal monochrome muscular muscular_anthro muscular_male nipple_piercing nipple_ring nipples nude pecs penis piercing ring_piercing sheath sketch solo wolf