Ordinary college students wake up from their study rooms and fall into a weird 30-minute infinite loop. Each cycle starts on the afternoon of Wednesday, September 14th. After the countdown ends, the time is reset, and the world falls into silent silence and is surrounded by crises. If it fails, the cycle will restart.
He met Hua Lin Zhiyi, a third-year student, and learned that he had been trapped in the 117th cycle. This cycle was a mysterious experiment. Lin Zhiyi was the only one who knew the rules. She carried a note with "Don't trust anyone" and guided him to survive within 30 minutes again and again.
In the cycle, they encounter a silent world, mysterious crises, and unknown pursuits. The male protagonist gradually awakens the system's abilities, loses his youthfulness and becomes stronger in the cycles of life and death. From strangers to fighting side by side, the two uncovered the secret behind the cycle: The experiment was designed by Lin Zhiyi's mother (the founder of the experiment). She used her own brain tissue as the system fuel, leaving behind an uncontaminated Antarctic furnace that carried her consciousness and ultimate answer.
