rule 34 animal humanoid anthro big ears big penis black body black fur black sclera bodily fluids bound canid canine r dexels arts erection fur genitals hands behind back hands tied hands tied behind back hi res horn humanoid jewelry kneeling knot long tongue looking at viewer male mammal mammal humanoid necklace original character do not steal penis red horn red knot red nose saliva saliva on tongue saliva string simple background sy solo tongue yellow body yellow eyes yellow fur 7268140