Rule 34 Dev - abs anthro ball balls biceps bird_dog canid canine canis casual_erection casual_nudity detailed_background domestic_dog erection fur genitals hi_res humanoid_genitalia humanoid_penis hunting_dog koruro labrador male mammal manly muscular muscular_anthro muscular_male navel nipples nude pecs penis retriever solo solo_focus spread_legs spreading tennis_ball white_body white_fur|9190982464