Memory is the last frontier, and they are crossing it.
When Cheng Xing discovered that the clearest memory of the sycamore tree in his childhood was actually implanted false data, he began to question the authenticity of the entire existence. The New Era Group uses the spirit realm system to rewrite history and clones souls using cloning technology, while the resistance organization "The Awakened" claims to be able to repair memories - as long as they pay the price of forgetting part of themselves.
In this war of memories without truth, the only weapon is constant doubt: Whose creature am I?