The end comes when monsters from the game shatter the dimensional barrier and unleash a massacre, pushing human civilization on the Blue Star to the brink of extinction. At the very moment the world collapses, his time suddenly rewinds to the day the game first appeared. This time, he is determined to uncover the mastermind behind it all, protect his home, and prevent the tragedy from ever happening again. Thus, a deadly revenge game against time begins, where failure means the end of the world.