Power of the Author PTA

As an author, they create a world filled with characters, backgrounds, and of course the storyline. However, what if instead you could modify a pre-set world like naruto, spongebob and other shows and influence its storyline as if you were the author of said world? This is the story of Rai, a teen who developed a power to access the world of entertainments, and modify them according to his liking.