FURVERT!

2010 2011 animal_genitalia animal_penis anthro anus artist_collaboration balls biped black_text blue_eyes canid canine canine_genitalia canine_penis canis digital_media_(artwork)erection fur genitals green_background grey_body grey_fur hand_on_knee hand_on_leg hand_on_penis handwritten_text knot looking_at_viewer lying male mammal nude on_back penis signature simple_background sitting_back solo spread_legs spreading sunitai tail text wolf wuffamute