Rule 34 Dev - 2boys anthro anus balls bowser domestic_cat duo duster_(dustafyer7) felid feline felis fireworks furry furry_only genitals hi_res koopa looking_at_viewer looking_back looking_back_at_viewer male male/male mammal mario_(series) muscular nintendo open_mouth open_smile pawpads raised_tail rear_view scalie seyrmo smile tail|12627229264