Rule 34 Dev - 2017 animal_genitalia animal_penis anthro aolun_(character) ball balls big_balls black_penis blue_fur ectomorph equine_penis erection feline fur grey_fur horsecock hyper hyper_penis male male_only mammal nude penis purplepardus saber-toothed_cat simple_background solo stripes urethra white_fur|2578627920