Rule 34 Dev - 2017 4_toes black_hair blush canine claws collar duo ear_piercing fangs female feral feral_on_feral fur grey_fur hair hi_res hioshiru kaia knot looking_pleasured lying male mammal monster_tail noxik on_back on_ground outside pawpads paws penetration penis piercing pink_fur pussy saliva sex signature smile snow snowing snowscape spiked_collar spikes straight tail_mouth teeth toes tongue tongue_out tree vaginal_penetration wolf|2907783256