He is an immortal prisoner of time and a prey who is reincarnated every seven days.
Gu Cheng is a street sweeper in Xiacheng District, responsible for cleaning up the unknown corpses in the alleys. He has a secret that cannot be told: death, for him, is just a "reload".
The price is: after each backtracking, he will have a full seven days of absolute vulnerability. During these 168 hours, any death will come forever.
In the cyber wasteland where acid rain is eternal and classes are like iron bars, he is walking on thin ice. Until one time when he was "meddling in other people's business", he picked up the mute rager Aman from the black boxing ring, awakened the cyber undead J from the data abyss, attracted the faceless killer crow from the shadows, and under the protection of the thousand-year-old tree Mu Lao, formed a team of freaks called "Retrogrades".
Yet they hit a nerve in this twisted world.
Shen Ce, the yandere prophet in Twilight Bell, saw "unpredictable variables" for the first time in countless future lines. He regards Gu Cheng as the only surprise on the chessboard and... The "key" that opens the final door.
When the light of the artificial sun can never shine into the abyss, when the plutocrats and rebel organizations all set their sights on this team struggling to survive——
Gu Cheng held the metal capsule around his neck that was used for "quick reopening" and looked at the rekindled [167:59:59] countdown in the corner of his field of vision.
This time, he will take the memories of all his companions and fight against time to break out of the siege.