From Demon Sect Disciple to Savior

In 2178, a plant virus ravaged the world. In just one year, 80% of the world's plants died, the earth became severely desertified, and humans needed to find a new home. And no one could have imagined that the person who opened the door to the new world was a dead person, a thief, and a demon cultivator. And this person is Yun Yian.