Apocalypse-Level Returner Eats Disasters

Lee Tae-sung is a returnee who returned to the modern world after experiencing the mirror world, losing most of his memories in the process. To recover them, he joins 'Namu,' a corporation most closely connected to the anomalous. “The contract period is two years. After that, it will be decided through mutual agreement.” “And?” “During that period, I expect Namu to provide unstinting support in finding my lost memories and my family.” Then, one day, he sees a crystal that appears to belong to an anomaly. A glittering crystal embedded in a chest. He didn't know why he could suddenly see such a thing, but one thing was certain. That he had to take it out. And... That he had to swallow...