Rule 34 Dev - anal anal_penetration anthro anthro_on_anthro anus clothing cowgirl_position duo erection eyewear from_front_position genitals glasses hat hat_only headgear headgear_only headwear headwear_only leg_grab male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mostly_nude muscular nude on_bottom on_top penetration penis sex simple_background rwolf canid canine canis fox mammal wolf|329023345