rule 34 absurd res anthro digital media artwork erection fur fur markings furniture genitals grey body grey fur hand on stomach head tuft hi res highlights coloring huge filesize humanoid genitalia humanoid penis kangaroo looking at viewer looking down low angle view macropod male mammal markings marsupial mood lighting nude penis pink body pink fur relaxing shaded smaller version at source smile smiling at viewer sofa soft shading solo spread legs spreading tuft tuubi unnatural colors 8879642