Rule 34 Dev - 1boy 2016 animal_genitalia animal_penis anthro balls black_penis blush body_hair brown_fur canine canine_penis erection funnymouth fur german_shepherd hair happy_trail knot male male_only mammal mustelid nude one_eye_closed open_mouth otter ottershep penis pheeze piercing scar simple_background solo sweat tongue|2387832072