One hundred million years ago, an advanced civilization came to the end of time. Before their extinction, they left behind a set of automatically operating cosmic ecological maintenance systems - the cause and effect engine.
Silence fell. Electronic signals fail, space is cut into independent ecological fragments, and extinct species return.
Jin Bian, a graduate student in geology, woke up after being swept away by a mudflow and found himself in a completely reconstructed world. There is one more person beside him - calling himself X.
Jin Bian didn't know at first that he was becoming the benchmark of this new world. His rulings are received as meta-rules by the Cause and Effect Engine.
This is a story of walking in a broken world. In the end, they got each other's purest love.
Intention: In the ruins where everything is uncertain, the only certainty is that someone chooses to stay by your side.