Regressor's Apocalypse

After a brutal bretrayal Li Jiefan is brought back in time before the end of the world and is tasked with finding out who betrayed her and surviving the end of days if she wants to continue living.

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Li Jiefan had spent three hard, gritty years in the world of the after, trying to survive.
She was a good teammate, kind and thoughtfull, but there she was on the floor of a bank, backstabbed - literally- by a member of her team. She thought she would eaten alive by zombies, her body left to rot until a mysterious ball of light named Clover gives her a second chance on the condition she finds her killer before the date of her would be death.