Sara sat back exhausted and got her phone out to film our first threesome. She touched her pussy as she did so. Vicky told me she wanted to feel him i...side her. This was such a horny thing to hear. We quickly swapped places and I watched her face as Mark grabbed her hips and slowly slid his huge cock into her tight pussy. Despite being very wet, her pussy was not used to such a big thing. She squealed with delight as his cock filled her. He slowly started thrusting into her and she bit her lip. (He said he wouldn't feel right about it.)To fit in with the girls, I wore what they wore, but my most colorful bra was a bright aqua-green push-up Victoria's Secret bra with no trim. I wore actual running shoes and a tank top that said, "Just Try Getting In My Way." It was my most competitive top. And... well, I'm a pretty competitive person.The day's events started with some picnic games which led to stretching and and then the more serious games. We played capture the flag which led into. “Now, every important point you need to remember, write it down. Every question you need answered, write it down. Every decision you make, write it down. Then you will have a valuable document which will hopefully help you get everything right, and in twenty years time when you are writing your memoirs it will be invaluable. For every meeting write down date, time, place, and who is there.”Jennifer just stared at him.“Now,” he ordered, “Write this meeting down.”She started to write.“The things. Then you can concentrate on your practice." You are probably right." Joe then got up from the bench and made his way to the stairs.Kristy let her curiosity take control of her, as well as her libido. "Do you mind if I watch? I just never seen a boy do it to themselves. I promise you will not know I am there."Joe turned around to look at his sister with shock and dismay. "I feel weird doing it with you staring at me."Kristy shot back. "It's not like I have not seen it up close, and besides you.