Can't have a party at my parent's house he would say. Ellie started to come over to 'help with the house work' but that was just an excuse to flirt wi...h me. Not that I minded too much but I was conscious of Kevin being there as it was his sister after all. One night after a few beers, I brought the subject up, but he was very good about it all and he even said that he wished she wasn't his sister so he could have a go at her himself. Just don't get caught he said or you'll end up in prison.Well. She knew her ass cheeks would be just barely visible wrapped in the irresistible blue panties. She paused for a moment to see if he would be bold enough to touch her back there, right where she wanted it the most.Oliver quickly stood and reached around Camryn to help her clear away the trash. As she leaned back into him, she felt the hard outline of a stiff hard cock rubbing into her ass crack. It was all she needed to fall into a shuddering orgasm bent over the coffee table. It had been. We were all in ecstasy. But it was too hot to really enjoy it. The young guy gasped, "I'm gonna pass out! Let's go back to the changing area."We put our shorts back on and went into the same cubicle as they had used last week. The young guy rummaged in his bag and handed me a tiny pink skirt with an elasticated waist. I pulled it on eagerly. It barely covered my ass and my raging hard on stuck out below it. The young guy pulled on the same short, black skirt as last week as well as his hold. In the meantime, you will assist in the lab. Apart from developing the d**g we act as a commercial lab doing tests on samples. The lab is in a former barn the other end of the garden.”“What about when I am not working?”“Well like any other job your time is your own. Though if you care to spend time with us you get your meals thrown in. Louise is a damn good cook, so the food is superb. The only neighbours immediately around here are Maria and Lenya who live in a flat by the lab. They are both.