Rule 34 Dev - achaiwolf animal_genitalia animal_penis anthro balls big_balls big_penis biped canid canine canine_genitalia canine_penis canis countershade_fur countershade_torso countershading erection eyebrows fur genitals grey_body grey_fur hi_res huge_balls huge_cock knot male mammal muscular muscular_anthro muscular_male penis solo soraawoolf tail wolf|10423526600