rule 34 2020 anthro bodily fluids bottle bulge clothed clothing crop top dialogue digital media artwork dragon duo english text erection genital outline genitals horn humanoid genitalia humanoid penis jockstrap koorivlf looking at viewer male male only muscular muscular anthro muscular male open mouth penis penis outline scales series shiny disambiguation shirt signature simple background smile snout solo focus sweat teeth tenting text topwear underwear unseen character wings 4042340