rule 34 animal genitalia animal penis anthro bioluminescence black body black fur black scales blue body blue fur blue sclera bodily fluids captainzepto carthan night coiling dialogue drooling duo edging english text feral frottage fur genitals glowing glowing genitalia hemipenes hi res male malemale mammal multi genitalia multi penis murid murine muzzle object muzzled navarchus zepto penis rat red sclera reptile rodent saliva scales scalie sex snake text 5375294