I didn't have a chance to read it until after class in the parking lot. It had a certain aroma to it as I then opened it and it read. " Dear Daniel, ... I saw your reaction to my thong yesterday and what a big reaction it was. I'm glad I finally got your attention and I will finally get to do something I have been trying to acheive for a while. If you haven't already guessed, the goal to achieve is your cock. Now that I saw your rather large shall we say " cause of alarm" after class I. She cried in pain. The whole bed shook wildly and many times her brother’s cock slipped out from her mouth and every time it slips out I heard “aaaah fuck” from her mouth.Her dad struck faster and faster and the sound of hitting increased and I saw her releasing her brother’s cock from the mouth and turn her face to her dad and her whole body shook wildly “Aaaaah fuuck meee yaaaaaaaa I amm commmi…..ooooooooh” Her dad too groaned loudly as he shoot his load into his daughter’s pussy along with. . " She left that part undefined, leaving me wondering just where on her panties she'd managed to soak up the still-wet mess we'd left behind."Yeah, I'll dig you up a pair after you wake up" Joanne offered. Like me, my little sister had the same question as to the location on Sarah's body the residue had collected. We smiled our curiosity to each other, then started to organize our campsite a bit better. Sarah would probably sleep for an hour or two, and we wanted to keep busy while she did.. Love wearing pretty dresses and ....flirting with....mmm.. men. I...I am h..happy to do what you tell me, to be yours....slave until you no longer want me." He choked out."Again!"Joe repeated it several times, until Mary said, "Good enough. You nowonly answer to Joan, and no other name. You introduce yourself as Joanto anyone you meet. To anybody who asks, you have found your feminineside, and all these changes are your own idea, and you couldn't behappier. Do you understand?" Mistress, please.