Thinking she is at home alone for the day, a mother fantasizing while she does some work in the kitchen attacts an unknown stranger to initiate an erotic encouter she never imagined.
To help her divorced mother pay bills, a young teen lets herself be photographed in sexual positions for money by the next door neighbor. She enjoys sex and posing with him so much that she eventually brings her girlfriend, brother and mother in on the fun.
Ariel ("A") hated her name, and she didn't fit in at high school. Parentless, her grandmother, Lucy, raised her. A convinced Lucy to date Claudia, but disaster struck when Claudia's ex spirited her daughter to TX, leaving only Ben, her son. A and Lucy supported Claudia & Ben, found them a lawyer, and become their lovers. A intervened in an attempted rape, thwarted by the store clerk, a retired marine. After their junior prom, Ben was kidnapped, with A to the rescue.
When the chain on Roger's bike slipped Mom helped him. When the baseball hit in the same place a few years later Mom helped him. It all seemed innocent if a bit odd but then things changed. The family grew but not the way most families grow.
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.