Alexis Grace: I knew mom screwed up by signing the pre-nup and with my step-dad ailing and I was afraid we'd get fucked so I hatched a plan to nail him on the infidelity clause. I added a few drops of a 'relaxing' agent in his water then brought him his meds. Within minutes of taking them he was perfectly compliant to my needs. I sucked his cock til it got hard then I climbed on top and rode him pretty hard. The whole taboo of screwing my step-dad was getting me hot and I came several times before using my pussy muscles to milk every drop of his cum into my fertile womb.
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