For a moment I couldn't help but chuckle as here sat my sister, nearly naked with her panty-clad quim rubbing against her brother's erection as she nestled into his lap. And. All she wanted to do was talk about why I didn't try to catch her in the buff all those years ago. My God, I love her.

"Well, sorry I was such a gentleman and respected your privacy. If I had known what I know now, I would have tried to catch you nude every chance I got."

I let my hands slide up her stomach and each cradle a breast while she rocked her hips on me.

"Uh,"...