Fucking my Slutty Step-Sister while our parents are out.

I just busted in on my step sister moaning so loud from playing with her hitachi, I guess we are all perverted in the family cause I was just about to jerk off myself. I tell my step sister Monica that if she wants me to keep my mouth shut and not tell step mom she has to let me watch her finish playing with her pussy. Monica agrees eventually..... I watch her start to orgasm then I her right before she is about to cum. She loves it and I shove my cock deep down her throat, it was then I knew it was on and I was about to fuck my step sister! Monica takes all of my dick and a nice load of cum right in her mouth, maybe I won't tell step Mom!