
Betrayed by boyfriend Leo Zane and best friend Anna Sullivan, Selene Shaw dies. Reborn before apocalypse, she plots revenge, hoards supplies, awakening A+-Rank Doomsday Fortress System. Her fortress repels Leo Zane and Anna Sullivan's attacks. Apocalypse deepens, Zombies evolve, 'The Salvation Corps' rises. Selene Shaw establishes a survivor alliance. Facing 'The Harvesters', she breaks through to S-Rank, protecting human civilization, vowing to rewrite their fate.