"We've only had sex, like, three times anyway," Melissa said, interrupting us. "It just sort of happened. I'm pretty sure she's been pining for you longer than that."

"I... I have," Anna affirmed, nodding her head. "Is that weird?"

"Maybe," I admitted, "but I'm happy it turned out this way. The idea of fucking my little sister seems like just about the hottest thing ever."

Anna let out a short, sexy moan as I said that, biting her lip seductively.

"What about me?" Melissa asked, obviously turned on by what was going on on top of her.

"Do you want me to fuck you as well?" I asked, cutting right...