How will the marauders and their friends act when a note from the future along with 8 movies appear. What happens when Lily Evans isn't Harry's mother instead her twin sister Rose is. What happens when the marauders find out about a secret their best friend is hiding from them. What happens if Harry has a twin sister. {rose is apart of the marauders her nickname is vixen} James potter x oc (if anyone could make a better cover for this book i would be honoured as i have no clue as to ow to make a nice one)