Rule 34 Dev - abs anthro anus athletic backsack balls biceps biped black_nose butt claws erection fangs fur genitals grey_body grey_fur half-erect humanoid_genitalia humanoid_penis looking_at_viewer male muscular muscular_anthro muscular_male nude pawpads paws pecs penis pose presenting scar simple_background sitting smile solo spread_legs spreading tail teasing teeth toe_claws white_body white_fur yellow_eyes amadeusvirus bloody_roar konami yugo_ogami canid canine canis mammal wolf|1357445215