animal_genitalia animal_penis anthro balls canine_genitalia canine_penis erection fangs fully_sheathed fur genitals glowing glowing_inner_ear glowing_markings grey_body grey_fur knot long_tail male markings nipples pawpads penis pink_pawpads sheath simple_background standing yellow_body yellow_fur alucard_(director) canid canine mammal hi_res model_sheet