German teenager Paul and his friend Louis accidentally entered a secret place while traveling and unexpectedly opened the door to a new world. The young man embarks on his journey. Will the bumps and stumbles along the way become a stepping stone for his growth?
This book is the first in a series called Secret Realm. The story is mainly told from Louis' perspective. The protagonists are Louis and Zhang Yuchen, and the supporting role is Paul.
Purpose: Looking for the meaning of life and the meaning of the world