Writing a dark fantasy novel about cosmic horror and societal collapse was just a hobby for the protagonist. But his casual amusement turns into a living nightmare when he wakes up inside his own unfinished draft. He hasn't just entered a dangerous world; he has transmigrated into the body of a low ranking, nameless "extra" destined to die in the very first cataclysm. The world is governed by a ruthless, multi-dimensional System that ranks every awakened human from G-rank to EX-rank. Because he is the Author, he possesses a unique, taboo trait: [The Editor's Quill]. This allows him to view the hidden stats, secrets, and future trajectories of everyone around him, and even make minor "edits" to reality. But there is a terrifying catch. The world is alive, and the cosmic entities watching from the cosmos notice discrepancies.