Just then, Jon's bedroom door opened a crack and his mom's head poked through. Jon was so startled that he nearly fell out of bed trying to cover himself up. His aunt, however, made no effort to hide her naked body from her older sister.
"Jane, I'm gonna be out for the rest of the night," she said, apparently not caring that her son was naked in bed with her sister. "If you need me, just call me on my cell."
"Okay, sis."
Jon's mom smiled. "You two have fun." Then she closed the door.
So ... his mom knew about him and Aunt Jane? And she was fine with it?
"Jon, stop fooling around and fuck me," Jane said.
