Rule 34 Dev - anal anal_knotting anal_penetration anal_tugging animal_genitalia animal_penis anthro anthro_penetrating anthro_penetrating_human anthro_penetrating_male balls canine_genitalia canine_penis close_up duo faceless_character faceless_male genitals human_on_anthro human_penetrated interspecies knot knot_root knotted knotting male male/male male_on_anthro male_on_human male_penetrated male_penetrating male_penetrating_human male_penetrating_male muscular muscular_anthro muscular_male nude penetration penis sex sheath wolfgrinn canid canine canis human mammal were werecanid werecanine werewolf wolf hi_res|86695968