rule 34 3d artwork anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro aroused bodily fluids bottomwear canid canine canine genitalia canine genitals canine penis clothed clothing coat comic computer dialogue digital media artwork duo english text erection eyewear felid feline female flat shaded fox furniture genital close up genital fluids genitals hi res internal knot lab coat laboratory laboratory equipment laboratory glassware machine male malefemale male focus mammal medical fetish medical instrument milking machine mynka nipples nude page 18 penis robot arm scientific instrument sheath speech bubble text topwear translated urine urine in container url 5889004