FURVERT!

anatomically_correct anatomically_correct_genitalia anatomically_correct_penis anatomically_correct_vulva animal_genitalia animal_penis animal_vulva ass_up backsack balls becoming_erect black_body black_fur brown_body brown_fur buckled_collar canid canine canine_genitalia canine_penis canine_vulva canis collar cutaway doggystyle domestic_dog duo erection eyes_closed female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral from_behind_position fur gaping genitals german_shepherd herding_dog hybernation knot knot_in_sheath knotting lipsticking male male/female male_penetrating male_penetrating_female mammal multiple_scenes pastoral_dog penetration penis penis_tip perineum sex sheath sitting tail tail_between_legs tongue tongue_out unsheathing vaginal vaginal_knotting vaginal_penetration vulva