FURVERT!

anal anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro balls bdsm bodily_fluids bondage bound canid canine canine_genitalia canine_penis clenched_teeth cum cum_inside dominant dominant_male duo erection foreskin from_behind_position genital_fluids genitals glans humanoid_genitalia humanoid_penis knot larger_dom larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal mouth_hold muscular nude orgasm penetration penis retracted_foreskin rope scratch sex size_difference smaller_male standing submissive submissive_male tail teeth wolfblade