Rule 34 Dev - anthro balls biceps bodily_fluids canid canine canis casual_nudity flaccid foreskin fur genitals grey_body grey_fur hi_res hittoga humanoid_genitalia humanoid_hands humanoid_penis male male_only mammal manly muscular muscular_anthro muscular_male navel nipples nude pecs penis simple_background solo solo_focus sweat wolf|9232809232