rule 34 absurd res all fours angry anthro anus ape escape ass ass up backsack balls barefoot baseball cap black and white clothing crouching duo flaccid footwear front view gaping gaping anus gesture grin hat headgear hi res humanoid penis jerseydevil jockstrap legs up line art looking at viewer looking back lying mcht male mammal monkey monochrome mostly nude multiple images multiple poses naughty face nude on back one eye closed pants around one leg penis perineum pipotron red popn music pose presenting presenting anus primate raised tail rear view sandals simple background solo solo focus spread anus spread legs spreading standing teasing unbabo underwear underwear aside underwear down white background wink yaoi 1983207