rule 34 2013 anus ass balls bent over biceps black skin body markings claws digimon dragon fangs feral furry furry only grin guilmon hi res high resolution highres inviting looking at viewer male male only markings muscles narse nude open mouth pecs plain background pose presenting presenting hindquarters red skin scales scalie smile solo spread anus spread ass spreading stretching toe claws tongue upside down white skin yellow eyes 1513463