"Oh awesome, come in my dirty little pussy," Erin moaned. Wasn't she supposed to be the quiet shy one?

"No!" Amanda yelled from her place lying on the couch, watching us rut. "You still need to fuck Nancy."

I looked at my sister, sitting cross legged on the floor part of the way across the room. Even from here I could see she was flushed with desire, eyes wide and breathing heavily.

"First I'm going to plaster Erin's insides," I said evenly, trying to maintain control as long as possible. "Then I'm going to walk over there, and I'm going to fuck you, and we aren't going to stop until...