rule 34 2019 all fours anal anal sex anthro balls black body black fur black scales blep bodily fluids breath broken claws clothing cum detailed background dialogue digital media artwork dinosaur gy style dragon duo english text equid equine erection flint westwood fluffy fluffy tail from behind position fur furniture genital fluids genitals grey body grey scales hat headgear headwear huff humanoid humanoid penis invalid tag koorivlf leaking living room male male penetrating mammal multiple images muscular male nude open mouth orgasm penetration penis prostate reptile scales scalie sex shirt size difference snout sofa sweat teeth text tongue tongue out topwear tree vein veiny penis wet white body white fur yaoi yellow body yellow fur 3607996