On a trip with my wife and me my mother-in-law tricked me into fucking her. On a different occasion, it was only proper to take in my sister-in-law, too.
Son's best friend brother seduces son's MILF mom and Aunt. Or were they drugged. Mom and Aunt are both teachers at the same school the boys attend. The two MILF are blackmail into joining the one eye snake club. They find out there are three other MILF Teachers already in the club. At the end the son is the master.