Playing with Two Time and Space

He received a five-character text message. What were those five words? Why did he rush home in panic? When he looked back at the text message in front of everyone, he actually watched it disappear. Was it a ghost? He wanted to commit suicide, but as soon as he gave up the idea, he unexpectedly fell into a pool of blood. Could it be the end like this? No, many times, the end is also the beginning! The source of the mysterious text messages began to be revealed step by step.