Akira demands answers of Shirogane, and for once he seems willing to provide them. He reveals that everything in the light world has a twin in the shadow world. A Shin's counterpart is called a ??Rei.? And as it happens, Akira is Shirogane's counterpart, destining him to become king of the Rei. However, his transformation into a Shin has made it impossible for him to become a Rei and fully awaken as king.