Rule 34 Dev - 4_toes anal anal_penetration animal_genitalia anthro balls blue_eyes bodily_fluids butt claws digitigrade erection feet fur genitals half-erect hindpaw male nipples nude open_mouth oral oral_penetration pawpads paws penetration penis restrained saliva sheath slime soles solo spread_legs spreading tentacle_in_mouth tentacle_penetration tentacles toes tongue anakuro canid canine canis mammal wolf 2014 digital_media_(artwork)|1930507950