I Took the Subway to the Final Trial

When Gu Chen opened his eyes on the subway, he found that he was trapped in the carriage at 3 o'clock in the morning. There was no platform outside the window, only endless darkness flowing slowly. He was not the first person to wake up, but he must be the last person to want to sleep. In order to survive, Gu Chen had to give up certain beliefs and abandon certain people. When he finally touched the core of the system, he discovered that behind this life-and-death situation was a more terrifying truth. When reality is just a virtual reflection, how should humans choose?