FURVERT!

anal anal_penetration animal_genitalia animal_penis anthro balls blotch canid canine canine_genitalia canine_penis canis clenched_teeth detailed_background erection flaccid fully_sheathed genitals group group_sex knot licking male male/male male_penetrated male_penetrating male_penetrating_male mammal nude penetration penis penis_tip sandwich_position sex sheath sheathed_while_penetrated tail teeth threesome tongue tongue_out train_position trio wolf