Creampied my slutty step sister

So my step sister is trying to dress to impress for a Halloween party . She asked me for my opinion and asked me if she looked Fuckable. There is a guy she is trying to fuck. How does one answer that questions ? she bent over and had no panties on at all. So of course my dick starts getting hard thinking of fucking my step sister. Well Madison noticed it and decided to try out my big cock for size