I've Been Searching for the Protagonist of This World

A long, long time ago, I searched the world for the protagonist of this world. I gave them power, and they were supposed to show me what I wanted to see. But I kept failing. In the end, I staked everything on a useless modern Chinese high school student. Yet after I felt I'd found the true protagonist... I had simply failed again. But even then, there is always a glimmer of hope.