Rule 34 Dev - 2017 5_fingers abs anatomically_correct anatomically_correct_penis animal_genitalia animal_penis anthro balls bandana biceps biped black_claws black_fur black_hair black_nose black_tail brown_eyes brown_fur brown_tail canine canine_penis claws countershade_torso countershading erection eyebrows flexing front_view fur german_shepherd grin hair hand_on_hip hi_res knot looking_at_viewer male male_only mammal maple_leaf multicolored_fur multicolored_hair multicolored_tail muscular muscular_male neckerchief nude pattern_background pecs penis pink_penis pinup portrait pose quads red_hair rileyshep simple_background smile solo standing tan_balls tan_countershading tan_fur teeth three-quarter_portrait two_tone_hair two_tone_tail vallhund watermark|2590614168