"Whoa," she said at the same time I was thinking the same. I was going to have s*x with my sister! There was a part of me that was saying, 'You should probably stop this,' but it was immediately squashed by the years I had spent day dreaming of a moment like this.
"Come on, Amanda. He's my brother." Her words said no, but her voice wasn't nearly as sure, and I could see Nancy staring down at my d**k, eyes locked on the target.
Amanda snorted and said, "No, right now he's a really f*****g great dildo. Plus, we both did it and you said you would do everything we did."
Nancy shifted her weight a couple times, unknowingly teasing me with her hip movements. My d**k wagged in the air just slightly, and that seemed to break the staring contest my sister was holding with it.
"Alright," she sai
