In his past life, Alex Vance chose to treat others kindly when the apocalypse came, but his kindness was exploited by villains led by Victor Sterling, ultimately leading to his own death and that of his close friends. Before his death, Alex Vance was unexpectedly reborn one day before the apocalypse and retained his previous memories. After being reborn, in order to survive in the apocalypse, Alex Vance used participation in game activities to take revenge on the villains, including Victor Sterling.