Nevaeh Marie Malfoy (ReEdited)

You know the famous Harry Potter and his enemy Draco Malfoy. But what if both of them has a twin sister that loves the other boy.
Nevaeh Malfoy and Nikki Potter are in a tangled mess. Nevaeh like Harry and Nikki likes Draco. How is this going to effect the balance?
Enter the world that is complicated with the love of two enemies who want each others brother. Enter the world where enemies could be lovers, and friends.