Feeling someone else in the bed, just as Kat moaned loudly, stopped his heart for a brief second.   Instantly realizing it was his father fucking Kat's ass, sent so many confusing thoughts through his mind.   His father wasn't mad, wasn't upset but instead joined them.   Brad felt as if he was in another universe, somewhere different than where he was raised.<br/><br/>Yet still deep inside of Kat's soaking pussy as she continued to moan under her Dad's ass fucking.  Her hips started fucking him, pounding him deep inside of her, alternating between her Daddy's cock and her Brothers cock.  This couldn't be happening, this was like some LSD trip, some mind altering experience.<br/><br/>Yet Kat seemed to love it, more than love it, she controlled it.   Brad's body relaxed as he finally accepted that they would have a whole new relationship and where that would lead who knew.   Then, forgetting all he was thinking about, Brad gave in and started enjoying the feelings, the softness and wonderfulness of his sisters body.