I required a signed non-disclosure contract and in return they would each be paid at the end of the event two thousand dollars cash. The contract had ... breech clause with penalties of a hundred thousand dollars for any participation either by neglect of duty or willful act that led to a party goer being publicly identified. To the Emt I gave specific directions that in an emergency that required outside intervention there was an air horn that would signal the party goers to cease all. Mom, dad & I were scheduled to stay the night and take a leisurely trip home the next day, or Sunday, the day after.The couples quickly grew bored of their elders and didn't want to waste their Friday night, so they peeled off to go parking somewhere, I suppose.Lisa got all giddy with my attention to her, but she didn't realize the danger of acting up in front of the grownups, so I excused myself and located my room for the evening.Pecker in hand, I readied myself for some replay cranking, but. I let out a moan in disbelief at what was happening to me and realizing I was about to have my first sexual encounter. After she unzipped my pants, my blood-engorged cock sprang up to meet Amy’s chin and she just smiled up at me, grabbing it with both hands and shoving her mouth down over my hard shaft, engulfing all of me without hesitation. I grabbed her by two handfuls of hair and just laid my head back in satisfaction as she slurped up and down my member with one of her hands fondling my. Shes let me cum in her ass a few times since and she now craves my finger in her rear while she masturbates, a method that has quickly become a favorite as of late. Obviously, I am all too happy to oblige. Despite her own back door pleasures, Jen has yet to reciprocate in any way. I have tried to be patient and wait until she offers or makes a move on her own, but my ass is lonely and needs fun too! With the in-law credit and a wonderful date night now in the bank, I decide to cash in. Hmmm…..