This MommysGirl Step-Family Secret exposes gives the inside scoop on how to have a lesbian orgy with your step-family, especially if you have children together. In this step-by-step guide, I will show you how to take your foursome to the next level with the best lesbian orgy experience possible. I am talking about foursome with my wife and step-daughter, not stepping-family with my brother and his wife, or even family with our friends. How is that for an advice column? Enjoy!.