Rule 34 Dev - 4_toes abs animal_genitalia animal_penis anthro balls biceps biped canid canine canine_penis canis claws day fangs fenris_(zephyxus) foot_fetish foot_focus forest fur genitals grey_body grey_fur knot knot_in_sheath male male_only mammal multicolored_body multicolored_fur muscular muscular_anthro muscular_arms muscular_legs muscular_male nude outside pawpads paws pecs penis penis_tip sheath sitting solo teeth toe_claws toes tree white_body white_fur wolf zephyxus|4362173616