anal anal_penetration anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anus balls bodily_fluids canine_genitalia canine_penis cheek_bulge detailed_background detailed_fur drooling duo face_fucking fellatio feral feral_on_feral forest furryrock_(model) genital_fluids genitals grass irrumatio knot knotted knotting looking_at_viewer looking_pleasured male male/male open_mouth oral oral_knotting oral_penetration paws penetration penile penis plant precum rimming rock saliva sex size_difference tongue tongue_out tree director_firewolf canid canine canis fox mammal wolf detailed hi_res