A man is invited to the home of a man that worked for him in the Army, and now works for him again as a civilian, to meet his wife and have dinner. It turns out that the young couple had more than a meal in mind. There are instances of forced MM sex in this story.
A young hot wife seduces a car full of young men at a drive in movie as her husband watches. In later years the woman gains a large following in alt online newsgroups and when recognized in a supermarket, arranges to hook up with a woman and her husband who recognizes the hot wife's ring.
A horny wife and mother seduces her teenage 16 year old son and 14 year old daughter, leading to family sex with dad and then new roles with dad's corporation.
A sequel to 'The Snake Bite Victim', that mostly occurs a year later. It is still mostly romantic, but also contains some nasty violence and sex between an adult and a 16 year old girl.
Male-perspective bisexual: A rich bitch and her younger boy toy husband go for an "anyone and everyone goes" swingers mix up on an Indian Ocean cruise, all in an effort to keep Marian happy.
Z did not plan on becoming a prostitute. At 13, she becomes responsible for her younger sister. At 16 a VERY lucky boyfriend enters the picture. Sister issues arise. At 18, Z gets an offer she didn't refuse. She advertises and soon multiple clients come her way. Most are good people. A few are rich. Several clients are married couples.
You should read Punished by the In Laws first. Jason comes home to his pretty wife. He is very horny and Katie takes care of him. They go over his parents house for Sunday dinner and Katie's punishment continues with her husband watching.