"Alert! Alert! Unidentified objects have invaded the earth. Please pay attention to all units..."
It was an ordinary day, with black fog covering the sky, and there was no peace here.
Animals and plants mutated, and humans awakened the Sentinels. The Sentinels' super five senses and special functions gave humans hope in the apocalypse, but things are never that simple. While cleaning up the pollution, they were gradually alienated, losing their minds, and eventually became mutants. After the long Sentinel era, in despair and despair, a guide appeared, giving people hope once again, right?
Purpose: Self-salvation