My Consciousness Has Become Immortal, You Say I Am the Boss

[Science fiction, apocalyptic, fictional, not invincible, not harem] It all started with a piece of news. "Our country's first generation of fully automatic mechas have been successfully launched. This is a feat that leads the times." When the news robot said this, Lu Tianchen looked up, then lowered his head and continued eating. He didn't know what the news meant. But since then, more and more "people" have lost control. Later, the news robot stopped mentioning place names and only said that "there are fluctuations in some areas." On the day the immortality project was suspended, the streets were full of people. Someone is crying. Someone is laughing. Someone stood motionless under the streetlight. The federation had no explanation. The tone of the news robot's broadcast was a little gentler, repeating over and over again: "Everything is under control." Lu Tianchen did not go to the street. He sat in the dormitory and opened the notebook left by his grandfather. There was only one line on the last page. He couldn't understand it before, but he can understand it now: "When they say everything is normal, that's when it's most abnormal." There was chaos until Lu Tianchen found the door. The end came when he opened the lock with the key, let out the things behind the door, and then closed the door again. Eternal life was restored. People settled down. The news robot said in a gentler tone: "We have ushered in a new era." But no one knows that before that door closes, something doesn't go back. It stayed in his body