abs anal anal_penetration animal_genitalia animal_penis anthro arm_support ball_tuft bed big_knot big_penis blush bodily_fluids canine_genitalia canine_penis duo erection furniture genital_fluids genitals inside knot leaking_precum leaning leaning_back looking_at_viewer male male/male moon muscular muscular_male muscular_sub musk musk_clouds neck_tuft night night_sky nude_male on_bed penetration penis penis_size_difference precum presenting presenting_balls presenting_penis spread_legs spreading submissive submissive_male sweat sweaty_body tongue tongue_out tuft vein veiny_knot veiny_penis anonymous_director canid canine canis mammal wolf hi_res story story_in_description
While the wolf was presenting himself to you, you remember that wolves get especially horny during winter, and might try display dominance over each other in that time.
Not wanting to be intimidated in your own home, you wasted no time, and did what anyone would do in this situation - you stripped naked, and started fucking him in the ass.