Do Not Observe Continuously

[Suspense] [Story of strange rules] [Urban strange stories] [Investigator] [Brain-burning foreshadowing flow] I only watched it for a second longer. A memory was lost after seven minutes. At the same time, another me appeared on the surveillance screen. Teacher Gu, who had been missing for three years, reappeared in the video. People outside the door began to imitate familiar people. And I found the same sentence on the first page of all investigation records: [Do not observe continuously for more than three minutes.