Somehow she half turned as she fell towards the floor and the safety mat below.She screamed as she began to fall and screamed again when she landed on...top of him. Somehow, god knows why, when she landed on him their crotches lined up perfectly and his cock went into her vagina and through her hymen. In an instant her virginity was lost to him. She had long thought about giving it to him, but not like this. He screamed as well as his six inch member entered her virgin sheath fully. In one. Right as her pubic bone pushed against the base of my dick there was a loud knock at the door.That is the first time I have lost my boner when it was in a very nice velvety tight pussy.The girl that just had my dick inside her jumped back to get her PJs on quickly. I found my sleep shorts to pull on and then covered Giana up.All the kids, except Giana’s sister, slipped out as soon as the door unlocked.“What the heck was that about,” a nurse I hadn’t met demanded to know.Giana’s sister said, “We. The resent orgasm made entry well lubricated. I moaned as my cock sank into her sweet body. I slowly pumped in and out as she began raising to her next series of orgasms. Propped on my elbows I couldn't touch her body as I like but that would happen another time. She matched my thrusts as we drove harder and harder toward mutual joy. Liz was laying next to us with her fingers in her wet pussy. Until she remembered we were not alone. She called Hal to the tent and pulled him inside. His. You can talk while you’re in there. When you’re done, you can wash your bodies. You’ll not fuck or suck each other. You’ll shave and wash. Use the restroom if you need to. I don’t know the next time I’ll be so generous. You may start.”This was the last time to discuss what they had gotten themselves into and back out if they chose. They also were making a commitment or an investment into their fantasy. I gave them privacy and made sure that Darcy’s stock of toys and restraints were where they.