rule 34 anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro arthur xorwynne balls canid canid demon canine genitalia canine penis collar demon digital media artwork dominant dominant male erection evil grin first person view fur genitals hellhound hi res knot leash leashed pov looking at viewer male mammal mynka nipples nude open mouth penis sheath smile solo submissive submissive pov 9029816