After his father is killed at work, young Billy and his mother get closer, in this first chapter, there's very little sex, but towards the end, they meet up with some people my regular readers may recognize!
Imagine a Mirror Universe where many things are the same, (the same people, the same technology, etc.) but no one has ever had sex or any kind of intimacy beyond hand-holding. Everyone is a virgin, relationships between spouses are purely platonic. How do they breed you say? They use gestation machines! This is the crazy upside-down world that Steve Wilson accidentally ends up in when he tries to use a time machine to go back and save his mom from a fatal car accident.
Big brother watches little sister make it with her boyfriend and a couple of guys at one time. His one desire becomes reality when he finally gets to make it with her. Big brother also learns that little sister and daddy had been making it for a couple of months and big brothers second desire finally becomes reality when he gets to make it with his own mother.
An entrepreneur retires and moves in with his daughter's family. Using a corporation he helped set up, he begins having her friends mind-trained and having flagrant sex with them. Then he sets his eyes on her ...