Did I Receive Last Words from My Future Self?

A week ago, Li Xun suddenly discovered something, that is, no matter how he tried to commit suicide, he would never die. Just when Li Xun thought he could make a big difference with this luck, he received an inexplicable text message. "You'll be dead in half an hour." From that day on, Li Xun's originally peaceful daily life has undergone earth-shaking changes. In order to survive, Li Xun gradually saw the true appearance of this strange and absurd world. Take it, these are my last words...