Prologue

The potter twins that lived
Harry and Y/N got treated very differently as kids, one was treated like royalty and one was treated like a child that was very bad mannered but was actually really kind and sweet. Was One treated the way they were because they were the child they never had or was it something VERY different. When the twins got their letter they were treated differently as well one was aloud to go the other wasn't but they refused to go without each other as they were so close growing up. What twin was treat in which way? Which twin will not go without their other half?