That year I woke up from underground, with the earth as my blanket and silence as my sleep.

A few years later,

…

A group of monsters from the mountains came to meet me, and I sat alone on the tower to spend the night.

Under the daily routine, at the end of rationality, outside the world you are familiar with - it is a landscape you have never imagined.

When Yu Sheng opened the door for the first time, the world he was familiar with collapsed.

And the "truth" that goes straight to the root of the world came to him.