As they drove to the mall, Tara was quiet for the first part of the ride, but her brother could tell his baby sis had a lot going through her mind. He wondered if she was thinking about the way she'd watched their other sister make him cum. For that matter, everyone had to have heard Becky and him that morning. Then there was the fact that she was fucking their dad, and that he'd surprisingly fucked their mom last night. He couldn't blame his youngest sister for having a lot on her mind. He had a hard time not thinking about all of it himself. He could tell she...