rule 34 anal anthro balls black nose black pawpads black penis bodily fluids claws countershade tail countershade torso countershading cup duo eyewear eyewear only facesitting feet foot focus foreskin fur genital fluids genitals glasses glasses only hindpaw humanoid genitalia humanoid penis kangaroo larger male lonelywisp long ears lying macropod male malemale mammal marsupial musclegut muscular muscular anthro muscular male muscular thighs nude on back oral pawpads paws pecs penis pink pawpads pink penis precum precum on penis rimming sex simple background size difference smaller male smothering solaxe solaxe artist thick thighs toe claws toes triceps uncut vein veiny penis white body white fur yellow body yellow fur 4522189