That person was the most powerful yet the most powerless character of a certain novel, who never belonged in that novel.
He was a "Reader".
A "Dokja".
The "Ugliest King".
The "Immortal King".
The "King of No Killing".
The "King of the World Without A King".
The "Demon king of Salvation".
The "Most Ancient Dream".
The "Omniscient Reader".
It's a story of a reader who would be the hero and villain of a certain story.
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Author's Words:
「Thus the story of a reader who would reach 551 chapters was written in this manner.」
Happy birthday, Kim Dokja.
"I'll read this damn story all over again, so that you can live again."
*Wish Kim Dokja Birthday in the comments if you want! :)*