FURVERT!

1:1 2013 animal_genitalia anthro anus balls biped black_body black_eyes black_nose black_skin bodily_fluids butt canid canine canis chumbasket close-up digital_media_(artwork)fur genital_fluids genitals green_body green_fur happy hi_res looking_at_viewer male mammal muscular muscular_anthro muscular_male nipples nude pecs penis penis_tip pink_body pink_penis pink_skin precum presenting presenting_hindquarters sheath simple_background sitting smile solo spread_legs spreading tongue tongue_out white_background white_body white_fur wolf