After transmigrating, Xiao Yun strives to become a successful writer. After replicating "Naruto", he encounters an attack, leading him to discover a dimensional game. He awakens with the talent of a "Fanfiction Author." He can use three books to change the game: Character Book, Item Book, and World Book. This is a story of a fanfiction author protecting the 2D world with dimensional characters. Xiao Yun declares, "I am the author, and I speak for the characters! Oh? You mean the protagonist? Of course, it's me!"