Lu Yan, a former web-novel editor, brought along the red annotation pen he had taken when he was laid off and somehow ended up as a librarian at the “Divine Academy for Further Studies of the Myriad Worlds.” He planned to coast through the job, but then discovered that his red pen could critique mythological storylines. He mocked Loki's over-the-top acting, and Loki's divine power went berserk; he revised Taishang Laojun's alchemy formula, and the success rate of his pills soared.
From then on, the Norse gods asked him to fix their “emotional bugs,” the Greek gods came to him to fine-tune their “War God character settings,” and even obscure pantheons secretly waited around for his “resource allocation guides.” But the deeper his critiques went, the more he realized that the gods' fates had been written into a script by “observers,” and that Earth was merely the stage for a “grand civilization play.” To break free of their control, Lu Yan grips his red pen and maneuvers among the gods, determined to rewrite the fate of every living being.