Everyone dreams, but when you find that the boundary between dreams and reality is no longer clear, how do you distinguish the two worlds, and how do you survive?
Ji Cheng never thought that his ordinary twenty-two years of life would be turned upside down in one night. If he was given another chance, he would never open the tattered book in the tattered box at home! However... In fact, he can still open it.
Purpose: Reality is where you are, no matter where you are, don't give up on life.