Big sister teachers little sister some set of new sexy skills...

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Serena knocked on the door jamb of Nancy's room, only stepping as far as the open doorway. "Alright, I'm off. You're on your own for a little while."

Nancy nodded and pretended not to care. "Ok, sure thing. See ya later."

As soon as Serena was out of earshot, Nancy bounced out of bed and crept along the hallway so that she could hear the front door close. With her big sister officially out of the house, Nancy finally had the privacy she'd been waiting for. It didn't come all that often for her.

Privacy was nice most...