A Living Lily

James gave up his life because he loved his family. What if that meant that Lily lived? What if Harry was able to grow up with Sirius, Lily, Remus and the Weasleys? And what does Draco have to do with Harry's "new" life? How is Petunia's life changed? H/G, Du/?, Hr/R, AU, R&R! NOW UPDATING AGAIN!