FURVERT!

3:4 anal anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro arms_tied balls bdsm black_border bodily_fluids bondage border bound canid canine canine_genitalia canine_penis claws digitigrade dripping duo ear_piercing erection eyebrows fennec_fox finger_claws fluffy fluffy_tail forced_spreading forced_spreading_legs foreskin fox fur gauge_piercing gauged_ear genital_fluids genitals grabbing_both_legs greyscale gulonine hair head_hair hi_res humanoid_genitalia humanoid_penis knot knotted_penis kounalix larger_anthro larger_male larger_penetrated larger_sub leaking_precum legs_tied male male/male male_anthro male_penetrated mammal marten monochrome mustelid musteline navel penetration penile penile_penetration penis penis_in_ass piercing piledriver_position pine_marten precum precum_drip precum_on_belly precum_on_chest precum_on_self raised_eyebrow restraints retracted_sheath rope rope_bondage sex sheath size_difference smaller_anthro smaller_male smug_expression spread_legs spreading stripes submissive tail toe_claws true_fox whiskers