Rule 34 Dev - 2017 anthro ball_gag balls big_breasts blindfold breasts canine dandarkheart duo erection female gag gagged hair holding_leash holding_object huge_breasts knot leash leash_pull male mammal mizukithia nipples penis ratherdevious seras_(ratherdevious) sex simple_background story story_in_description straight wolf|3066709184