Victoria x Crabbe x Goyle x Andrew

Crabbe and Goyle have been lovers for a while but they want to spice up their relationship so they decided to do a foursome but they need to find two other people and it just so happens that Victoria has been throwing herself at them begging to be taken by Both of them at the same time! They have always said no to her but they thought maybe this once? Now they needed to find one more person... they begged Victoria's bestfriend to join them she finally agrees... what will happen?