Rule 34 Dev - 2012 abs anthro balls bauske biceps black_nose blue_fur blue_hair canine chest_tuft closed_eyes erection fangs frostwolf fur grey_fur hair holding_penis humanoid_penis male male_only mammal masturbation muscles nude open_mouth pecs penis plain_background pose raised_leg sitting sofa solo spread_legs spreading teeth toned tongue tuft white_background white_fur wolf|1689046824