Rule 34 Dev - abs absurd_res anthro balls biceps canid canine canis casual_erection casual_nudity crouching erection fur genitals grey_body grey_fur hi_res humanoid_genitalia humanoid_penis itsdhani looking_at_viewer male mammal manly muscular muscular_male navel nipples nude pecs penis quads simple_background smile solo solo_focus spread_legs spreading wolf|8301545928