rule 34 accessory anus ass belly belly scales big belly black hair black penis cock ring digital media artwork dragon erection feral genitals green eyes hair hi res horn jewelry long neck looking at viewer looking back looking back at viewer low angle view male mandarax membrane anatomy membranous wings penis penis accessory penis jewelry presenting presenting hindquarters rear view red body red scales riolutiny scales scalie smile solo text vore western dragon wings worms eye view yellow body yellow scales 7617966