Rule 34 Dev - anal anal_sex anthro back_muscles ball_gag blindfold bodily_fluids canid canine canis censored chains duo ear_piercing facial_piercing gag gay hi_res male male/male mammal muscular muscular_male nose_piercing nose_ring oouyuki_benten penetration piercing ring_piercing size_difference sweat vein veiny_muscles wolf|10523132888