Nineteen years ago, Rose Potter disappeared. James Potter's little sister - gone in a blink during a spell gone wrong. No one could bring her back. Eventually, they stopped trying. Even Harry never knew she existed. Until now. When a magical prank opens a crack in the air, a girl falls out. She's wearing Gryffindor robes, knows the Marauders by name, and keeps calling Harry "James." She hasn't aged. She doesn't know they're all gone. And she has no idea the war has already started without her.
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