Dad was there when Mom was at work so Jen was not alone most of the time. At 17 the folks were not worried about leaving her alone once in a while.All...was going well.Then came the end of our lives as we knew them.It happened on a Wednesday at just after noon. I was at school as was Jen. Dad was at his station and Mom had been at home. She apparently decided to surprise dad with a special lunch. She drove down to the station and they were sitting in the office sharing their meal when the big. I would become aroused just thinking about him and what it would feel like having his cock pushing into my wet cunt while his hands caressed my breasts, and then traveled down to my nether region until his fingertips find my wet pussy and clit, rubbing over them ever so gently.I will never forget the first few times we saw each other. My pussy would already be soaking wet, my panties filled with my juices as he told me things that he wanted to do to me. How he wanted me up against the wall,. Karen then continued "I've sent Joanne across to your place just now to return a dress that your mum lent to me." She paused a moment then added " ... and I want you to seduce her and show her what good sex is all about. I've taught you well ... make my daughter happy please." Oh shit ... are you sure?" I asked in amazement."Absolutely" I heard from Karen just as I heard the front door bell of the main house sounding. Joanne must be here already."Gotta go ... she's here" I said as I hung up the. She scooped out a goodly portion on each of three plates and set them before Dave, Cheryl and herself. She handed a spoon to Katie, who immediately reached down to her worn cunt and pulled out the wine cork she had jammed in there earlier. It turned out to have been a successful move. Right away she could feel Daddy’s before-dinner cum start to flow out of her. She got the spoon in there immediately and scooped the cum and carried on to enjoy her own special dessert. Mmmm....On Tuesday, Katie.