The world has already ended. Humanity is nothing but dust and echoes, and the countdown to extinction reached zero long ago. But for Cheol-Su, a completely average office worker with nothing to lose, the nightmare is just beginning. Through a twist of fate that defies all logic, this ordinary man is granted the impossible: a chance to turn back the clock and stop the apocalypse before it even starts. But how does an everyday guy take on a cosmic catastrophe? With the weight of every human life resting on his shoulders, Cheol-Su must navigate the crushing pressure of time travel and the desperate struggle to change a doomed future. This isn't just another survival story; it is a high-stakes race against destiny that will keep you breathless until the very last page. Can one man truly alter the path of a planet-killing asteroid, or is history destined to repeat its tragic end? Dive into this gripping sci-fi drama and witness the ultimate fight for tomorrow.

time travel, post-apocalyptic, sci-fi drama, asteroid impact, survival, manwha, redemption, high stakes, thriller, hero's journey