Rule 34 Dev - 2018 animal_genitalia animal_penis anthro balls black_fur black_hair black_nose blue_eyes brown_background brown_fur brown_skin canine canine_penis cinta collar erection eyebrows fur german_shepherd hair hands_behind_head knot looking_at_viewer male male_only mammal multicolored_fur multicolored_skin nude penis pink_penis pose simple_background solo standing straps white_fur white_skin|3041294424