A few nights Cassi and I sexted but I was still rather horny as you can surely imagine. It was a Tuesday night when my mate James and I made plans for... him to join me on the Wednesday for the day and to sleep over that night so that we could keep each other entertained. His mom dropped him off by me early Wednesday morning just after 7. My parents soon left for work. James had already met my stepsister a number of times and just like me he found her serious hot. She soon left just before 9 for. I sat down opposite her and after a while, I said, “Will you be okay when I leave?” Without looking up she said, “Yeah, I am sure of it. I won’t be alone now that I have Will.” Will was a guy she had met at work. He was forty and a divorcee with no children. Even though he was several years older than Pam they had hit it off and after a couple of dates he became a big part of her life. I liked him because he didn’t think too much of himself. Even though he wasn’t as rich as Pam’s ex-husband he. What he did know, and what was worrying him about the swapping of costumes -- far more than any macho objections to wearing women's clothing -- were the behavior modifiers contained in each. Predictably, the Vampire costume he'd selected for himself would have made him a powerful sexual predator, unable to take no for an answer and with the stamina to match. The Vamp costume he had intended Laura to wear was fitted with a device that would have made her desperate for sex, insatiable even and. The first time she had gone to the ladies', she removed her panties (said she was too hot) and when the Black guy, George, danced with her again, she said he slipped his hand under her skirt and felt her bare pussy. My cock was straining to get out of my pants as she told me he asked her into a back room. That was when she returned to me and then went to the ladies' again. She assured me that nothing much had happened. They had kissed and cuddled, he had fingered her and played with her tits.