Rule 34 Dev - 4_toes 5_fingers animal_genitalia animal_penis anthro anus ass balls black_nose canine canine canine_penis claws dripping eracin erection fur german_shepherd green_eyes knot looking_at_viewer lying male mammal multicolored_fur nude on_side open_mouth paws penis precum presenting presenting_anus presenting_hindquarters simple_background smile solo spreading teeth toe_claws toes tongue|3238318584