Blair Williams and Casey Calvert are back home with their parents for vacation and Blair sees the new neighbor Tyler Nixon and decides to take dibs on him to make sure she avoids another situation with her sister fucking the boy she wants. Of course, in this Sibling Rivalry, placing dibs is as good as challenging her sister Casey on who can fuck Tyler first. Once again, Casey schemes in order to get what her sister wants and this time it's Tyler's cock deep inside her pussy. Blair gets a front row seat to see her slutty sister Casey suck and fuck Tyler to and explosive Finale!