Four for Dinner-A Vingette

The four of us out to dinner: you, me, him and her. We're in a secluded booth. As we're ordering I'm idly stroking your knee under the table. The waitress leaves and my hand migrates upward, under your skirt. I discover, not to my surprise but my delight, that you're not wearing panties. The four of us are still chatting away as my finger slowly slides inside you.You gasp and she asks if you are okay. You wave her off and try and continue the conversation. I slip another finger inside you, moving them slowly in and out. A thin bead of sweat emerges on your brow. I pull out and place my finger on your clit, applying slight pressure. You bite your lip. He knows what's going on now. He looks over approvingly, giving a small nod. He drops his fork under the table and bends down to retrieve it, taking in the show we're putting on. he quickly jabs his finger in your cunt before getting up...