FURVERT!

1:1 animal_genitalia animal_penis anthro balls big_penis canid canine canine_genitalia canine_penis canis duo equid equine_genitalia equine_penis erection genitals hair hi_res holding_another's_penis holding_own_penis holding_penis kneeling knot licking licking_lips long_hair maddworld male male/male mammal penis self_lick sheath simple_background tongue tongue_out wolf