More footsteps, another person enters. This one goes straight to the bed and lands a hard smack on your right ass cheek followed immediately with ano...her on your left as you yelp in shock. It is so fierce you would have jumped off the bed if the straps hadn’t held you down. You feel breath against your ear and hear my voice almost whisper “I hope you enjoyed inserting that vibrator in my ass, cunt. It’s still going by the way, keeping my cock rock hard. Don’t you wish you could feel it? . This went on for some time, till the time she showed no more struggle in taking me completely in her.Slowly I increased my pace in rhythm. She seemed to be enjoying my pumping. I cupped her boobs again and started to push into her more vigorously. She seemed to take that also quite easily. Thanks to the freely flowing cunt juice flowing over my legs, she was well lubricated. I increased my pace to such extend that I had to cling on to something. Her reddened face looked eased out, but she had. Don't let this become too much for you."Colleen jumped in. "Rebecca, it's going to be Ok. If you are worried, then go with Daddy and Mother this morning. I'll go with Brian and make sure he doesn't overexert himself. We'll go and come back fast, and then we'll be together on the ship."Rebecca looked skeptical but unwilling to be parted from us. Being scared might have been part of it. She probably felt like she'd be more in control being with us, than if she were on the boat, worrying about us.. “You think I would lie to you” she asked. “Well no” I said, “how long have you known about this”. Six or seven months she replied. “You been like real dad to me and I just don’t feel right knowing something like this and not telling you about it”. “Well I still don’t believe that about Heather,” I told her, “but thanks for thinking of me as your dad because I do think of myself as him in many ways”. “So you do think I am making it up?, I will get you proof of what I said. “How” I asked, “well I.