Rule 34 Dev - anal anal_penetration anthro anthro_on_anthro anus big_dom_small_sub clothing dominant duo erection eyewear foreskin genitals glasses hat hat_only headgear headgear_only headwear headwear_only humanoid_genitalia humanoid_penis larger_male male male/male male_penetrated male_penetrating male_penetrating_male mostly_nude partially_retracted_foreskin penetration penis pink_penis sex size_difference smaller_male rwolf canid canine canis fox mammal wolf|329116690