★Rights sold: Korean rights and Vietnamese rights
★Bestselling Taiwan author Wu Xiaole's latest book! Following "THE PRIVILEGED" and "No Secrets between us", Wu Xiaole, who is good at in-depth social issues, tried again to enter the world of online games with close observation, presenting young men and women in the Internet world and the real world, between virtual and real interpersonal relationships, dangerous exploration and adventure.

Logging in to the game is his way of survival to escape the signal, but she falls into the trap of the murder machine.

If a person is wrapped in black fog, he knows that it is a signal that life is coming to an end.And this time the black fog of death is wrapped around the girl in the online game...

When Chen Xinhan was in a car accident at the age of 20, he could see the "signal" representing death that had also haunted his former supervisor: hours before she died, Chen Xinhan witnessed a snake-like black fog on her body.

He has been afraid of going out, escaping daily through online games, and in love with girl Xili in the game.

One day, Xili wanted to meet and said that she would exit the game; Chen Xinhan saw "signal" came out of Xili; she took the train away, and Chen Xinhan could only return to the online game to try to intercept her and suspected boyfriend's identity.

Who made Xili dangerous? Chen Xinhan decided to approach the dark "signal" on Xili, and wanted to see clearly the murderer's face ...
He once entered the game to save himself. This time, in order to save the girl, he decided to step out of the virtual world ...