Their bodies were regressed and they could be sized quite small, but their brains were a limiting factor. A large woman has a slightly larger brain th...n a smaller woman. The skull could not be shrunk below a certain limit without the brain being non-viable. Therefore, the selection criteria called for some women to be very petite so that their ‘juvenile form’ could also be small. “What’s our exposure with the locals?” the Lieutenant asked.Karen sat down after putting on her fresh shorts and a. Dude, shes my sister! Step-sister, Todd and I both said almost simultaneously. Before he could protest anymore, I moved in front of him and took his cock in my hand, stroking a bit before taking it into my mouth. As I started to suck him, Todd moved onto the floor next to me and pulled my camisole up over my tits. I was an early developer, so even though I was just going to be starting high school in the fall, I was already a C-cup. Oh my god! Todd exclaimed as he started to squeeze my tits. . “Wanna go for a marathon swim at Lake Meredith?” Mark asked me the next morning.I showed him a naughty grin, “If you just want to perv on me in a bikini, we don’t have to go all the way to the lake, ‘BIG brother’.”My brother rolled his eyes, “Get over yourself. Do you want to go or not?”“Okay, but only if you try to keep up this time.” I teased him.Along one side of the lake was a long stretch where the water was shallow with a rocky bottom. No boats would speed through there, so we could swim. This was the day she left to go back home. We both knew that it was quite likely that we'd never see each other again after her departure.Hours later, at the airport while waiting for the boarding call, she looked at me with a devilish look in her eyes."Come on!" she said as she grabbed my hand, pulling me behind her as she jogged into an exit way off the main corridor. Once inside the dimly lit hall, she grabbed my head and began kissing me passionately."One more time!" she gasped. "Fuck me.