My Mum had left clear instructions that I have to obey my 16 year old younger sister Jaden, and Jaden can telephone her at any time if I were naughty,...explain what I had done, and Mum would decide if Jaden should spank me. Well that was OK even though I am 20 years old as after all Jaden had spanked me regularly for months now, but only whenever Mum told her to in fact. Maybe I should remind myself about that. I am 20 years old and have a job and live in my adult world. Jaden is my 16 year old. Tonight seemed different though, maybe it was just me, but was everyone looking at us as we walked through the room? The hungry eyes on us reminded me how much I loved dressing up and showing off a bit. We arrived at the door and Sue gave her invitations to the door man and we walked into the vast ballroom. I was shocked to see a full orchestra playing a catchy tune from the… I don’t know… 1950’s maybe? I had always loved jazz music so maybe this evening wouldn't be too bad after all. If. I fucked her harder and harder, and she screamed. She continuously said “Fuck” while she moaned. After a while, I stopped and got my mouth close to her pussy, and I licked it. Slowly, carefully. I penetrated her hole with my tongue, and she moved frenetically. Then, I made her lie down, her back against the bed, and I got on top of her and penetrated her once again. This time we did it slowly while we kissed passionately. I could not believe my best friend was fucking me. I grabbed her ass and. Karen, these are my parents.”Mom went to Karen and said, “You are gorgeous! Your speaking voice suggested beauty but you are far prettier than I had expected.” They hugged.Dad and I shook hands and gave each other a man hug. “Son, she is startlingly beautiful.” He swapped with Mom.Mom whispered, “You did well, son. I liked her over the phone. She’s better in person.”Dad was louder. “I always hoped my son would marry ‘up’ and you have exceeded any expectations that I might have had that you.