In order to prevent a future where Miraland is destroyed by the Sea of Memories, Nikki travels back in time to Year 0 in a structure called "the Ark". Her mission is to stop Leonid, the legendary designer who she believes is responsible for Miraland's destruction.

In order to prevent a future where Miraland is destroyed by the Sea of Memories, Nikki travels back in time to Year 0 in a structure called "the Ark". Her mission is to stop Leonid, the legendary designer who she believes is responsible for Miraland's destruction.