Rule 34 Dev - 1boy 2016 5_fingers anthro balls beard black_balls black_fur black_nose black_penis black_tail blue_hair blue_tongue canine claws countershading dog_tags ear_piercing erection facial_hair fangs fur gradient_background green_eyes hair hi_res holding_penis humanoid_penis hungothenomster looking_down low-angle_view male male_only mammal masturbation multicolored_fur nude penile_masturbation penis piercing signature simple_background solo toe_claws tongue tongue_out two_tone_fur url white_countershading white_fur wolf xilver|2452157936