In the midst of the devastation, only the soldiers’ bones remained.It’s only a matter of time before the entire world is annihilated. To avoid this, Kyung-Hoon began searching for clues in another universe with the help of a ten-year-old phone he discovered in an abandoned building.---- [Original Webtoon ](https://webtoon.kakao.com/content/%EB%8B%A4%EB%A5%B8-%EC%84%B8%EA%B3%84%EC%97%90%EC%84%9C-%EC%A3%BC%EC%9B%8C%EC%99%94%EC%8A%B5%EB%8B%88%EB%8B%A4/2408)---- [Official Japanese Translation](https://piccoma.com/web/product/73500)"