Rule 34 Dev - anthro anus back_muscles backsack ball_tuft balls black_nose brown_body brown_fur butt fur genitals looking_at_viewer looking_back looking_back_at_viewer male muscular muscular_anthro muscular_male nude rear_view saggy_balls solo tuft vein veiny_arms veiny_biceps veiny_muscles avaru canid canine canis mammal wolf hi_res|91338568