Three years after the uncanny began to descend, hundreds of thousands of people around the world vanished into thin air and never returned.
Everyone was afraid.
Everyone except Lu Shiyuan, who calmly took notes.
Then he was dragged into a windowless library: twelve rules, twelve people, and only one way out alive.
While others trembled, he reasoned things out.
While others ran for their lives, he traced every clue back to its source.
The moment he touched the bloodstained note, everything from twenty-four hours earlier appeared before his eyes
“So the key to clearing the game was hidden in the rules themselves from the very beginning.”
[Coolheaded detective protagonist × rules-based horror × infinite survival × hardcore puzzles]