Rule 34 Dev - 2017 abs animal_genitalia animal_penis anupap balls biceps canid canine canine_penis canis claws erection flexing greyscale knot looking_at_viewer male male_only mammal monochrome muscular muscular_male navel nipples pecs penis quads smile solo solo_male standing teeth traditional_media_(artwork) were werecanid werecanine werewolf wolf|3964496840