"Fuckkkkkk," Joe groaned as he emptied himself into his sister. He didn't know if she was serious or not, but it didn't matter. Just hearing those words come out of her mouth was so fucking hot!

"Ummmmm, yes, Baby. Cum in your sister!" she groaned as her own orgasm swept over her. She moved her hips in a circular motion as she accepted his incestuous offering. She loved the thought of her brother's seed being inside her. She had obtained a prescription for birth control pills since they got back from their trip, but while she hadn't taken them long enough for them to be efficacious, she knew that her...