Rule 34 Dev - 2016 4_toes 5_fingers anal anal_sex animal_genitalia animal_penis anus balls blue_fur blue_hair canine canine_penis chest_tuft claws duo from_behind_position fur hair inner_ear_fluff kissing knot lunar_epitaph lying male mammal monochrome nude on_side penetration penis sex short_hair spread_legs spreading toes tuft white_fur wolf yaoi|2162339600