Three Ways to Survive the Apocalypse is Dokja's favorite novel, or it was...until it became reality. Thanks to his knowledge of the story, he managed to survive the first chaotic moments of the new world. But the relentless scenario waits for no one, and Dokja finds himself in yet another life-or-death struggle. Isolated from his group and surrounded by horrific creatures, his story seems all but doomed to a premature ending...That's when an unmistakable presence makes an entrance. It's time for Dokja, the only reader of TWSA, to meet its main character--the Regressor Junghyeok Yu!