FURVERT!

1:1 anthro anthro_on_feral anthro_penetrating anthro_penetrating_feral avian balls bestiality canid canine duo erection feral feral_penetrated genitals gryphon hi_res humanoid_genitalia humanoid_penis hybrid_genitalia hybrid_penis kittykage knot knotted_humanoid_penis knotted_penis larger_penetrated male male/male male_penetrated male_penetrating male_penetrating_male mammal mythological_avian mythological_canine mythological_creature mythology penetration penile penile_penetration penis penis_in_penis sex size_difference urethral urethral_bulge urethral_penetration werecanid werecanine werecreature werewolf