I shouted .. “aaaaaaarrrrggghhh” and I could feel my semen seeping inside her vagina. It did not stop. She completely collapsed on the sofa and th...en rolled onto the floor. My semen was flowing out from her butt crack. I leant forward, got up and sat down on sofa.We were both looking at each other with wanting eyes again. She was still panting from the fuck and she was still biting her lips. Her boobs were looking really hot in that push bra. She was completely naked except that bra. I told her. .. the water turned dark and began to boil. Denizens of the deep were being cooked on the spot ... we kept moving up.There was a cave ... wasn't much ... but it seemed to be as good an idea as climbing ... so.Then the sea started tossing rocks ... it was probably a mile and a half from our viewing place.Red glowing rocks were tossed hundreds of feet in the air ... and more. Rocks the size of ships ... one crashed down on the..."Hey, Josie ... what direction it that?" East."One crashed down on. They took their spot on the far bed and I grabbed a chair and put it as far away as I could without blocking the door.It seemed to have an effect as they both scooted to the nearer edge of the bed to close the distance a little.“My name is Luke. What should I call you two?”That started a long night of twenty questions. It was like pulling teeth but, as I learned more, it made more sense.The two girls, named Tuesday and Wednesday, were the children of a couple who were, for lack of a better. " Sure," Nadia said, relieved that her request was a relatively simple one and one that they had discussed several evenings earlier. Marianne had stated that while she loved giving head, she couldn't or at least up to now had not been able to deep-throat anyone.Siggy looked on, somewhat bewildered as both girls began to toy with his cock."Maybe I should suck him hard at first," Marianne said calmly."That should work," Nadia agreed, taking a good grip on Garth's erection and stroking it slowly.