He is a successful writer who has created a fantasy world in his novel. But he made a terrible mistake in the end, causing the protagonist to reveal himself as a traitor and the world to be dominated ...more

He is a successful writer who has created a fantasy world in his novel. But he made a terrible mistake in the end, causing the protagonist to reveal himself as a traitor and the world to be dominated by the demon king. He received the wrath of readers and regretted his choice.