Hermione Granger and The Marauders

Theres going to be a twist in this story. In this story Hermione travel back in time and meets The Marauders. Hermione and James is going to be together in this story and Lily and Sirius will be together. I know the picture is Hermione and Harry but pretend it's James and Hermione. Harry in this story going to be Harry Black Sirius and Lily son. And it takes place during the final battle.