Tragedy strikes during the grand festival celebrating their nation’s founding—the leader of the Shuten Order is murdered. Soon after, the protagonist awakens with no memory, greeted by two self-proclaimed "angels". They reveal a shocking truth: the protagonist is the murdered Founder, revived by divine power. However, the resurrection is incomplete—their memories are gone, and their life limited to a mere four days. To survive, the protagonist must overcome "God's trial": identify and kill their murderer. With the clock ticking, the protagonist, given the alias Rei, dives into the tumultuous city as a detective. The suspects? Five ministers of the Shuten Order. There's no time to investigate them all. Choices must be made, and the pursuit of truth demands sacrifice.