He likes to leave their bedroom door open just so I can watch him fucking my stepmother

He always knew that I had the biggest crush on my stepmother, who by the way is the biggest hottie, with a big ass, thick thighs and wonderful breasts that make your mouth water. That's why he leaves the door to their room open during sex, just because he knows that I'm going to be there watching everything, watching my stepmother squirm all over his dick and cum a lot on his dick...