When past and future collide

When three mysterious kids turn up on Fairytail's door step claiming to be from the future things get a little hectic...especially for Gray and Natsu. With the chances of a war raging on in the future the kids are torn between staying safe with the past versions of their Nakama or going back to their family before it's too late. But it's not always easy , especially when people from the future are turning up left right and center , possibly changing the future as we know it for ever.