Bi Wang traveled through time. A very strange world.
A mechanical voice told him: You are wearing a book.
Before it could introduce itself, Bi Wang asked: I haven't watched it recently either.
After a while
"Oh... I made the wrong choice. It's okay, you're here anyway."
By some strange combination of circumstances, Bi Wang embarked on a "travel" through books. Including a guide to the Demon Lord boy before his darkening.
Concept: Broken and broken, the needle will mend it