Rule 34 Dev - 1boy 2014 abs animal_genitalia anthro balls bath bathtub biceps big_penis black_nose brown_fur canine canine_penis claws collaboration digitigrade erection fur grin knot looking_away male male_only mammal muscles nude patto pecs penis rottweiler shower smile solo standing toe_claws toned treats vein water wylderottie|1800078912