FURVERT!

2009 animal_genitalia animal_penis anthro auto_penis_lick autofellatio balls canid canine canine_genitalia canine_penis canis erection flexible genitals knot licking male mammal masturbation nude oral oral_masturbation penile penile_masturbation penis self_lick simple_background solo tail theslateguardian tongue tongue_out white_background wolf