Hot aunt gives her nephew a hand-job and a blowjob, and then an education in how to please a woman that ends up with his cock in a vagina for the first time. Then they get a surprise... (Note that some of the codes apply to later chapters)
During Christmas vacation a mother, daughter and son are turned on by the daughter's older boyfriend. While the mother gets seduced by the boyfriend, brother and sister get it on after they see what is happening between the two. The son thinks his sister is sleeping on the couch and seduces her, then finds out it was his mother. On orgy ensues when the daughter and her boyfriend come in to see what the noise is in the living room. What a Christmas Vacation!
An Incest is Best Story
Mothers make a sex date for 14-year-old Hannah and 15-year-old Adam. Hannah is technically a virgin, although mom has opened the channel so her first time is painless. Adam is a slightly experienced stud muffin who delights in breaking first timers. It's a new era a few decades hence, and it's common for parents to arrange sexual partners for their children. Society has realized it's a healthier way for kids to grow sexually.
When lightning strikes, an entity made of a particular type of energy is left stranded in a hostile environment, and seeks shelter in the body of a nearby woman. Figuring out how to survive has unintended consequences for a small town.