Rule 34 Dev - abs animal_genitalia animal_penis anthro athletic athletic_male balls bench big_balls big_penis black_body brown_body canine_genitalia canine_penis erection genitals inside knot lamp low-angle_view male multicolored_body navel nipples nude orange_eyes penis sheath sitting sitting_on_bench solo spread_legs spreading two_tone_body picometer canid canine canis dobermann domestic_dog mammal pinscher|73697800