Zack wanders through an unknown place. His only clue is a valuable diamond. As Zack flees from "13," he seeks to unveil his past and the secret of the diamond, embarking on a journey into the unknown during which he must fight to survive.
Overview：Zack wanders through an unknown place. His only clue is a valuable diamond. As Zack flees from "13," he seeks to unveil his past and the secret of the diamond, embarking on a journey into the unknown during which he must fight to survive.
