Synopsis

Sehan is back in time, starting a second playthrough after a previous, disastrous experience where the world seemingly ended. He finds himself on a day ten years prior, the day monsters first appeared. He recalls his previous weakness and how he abandoned his friend, Jisu, during the initial monster attack, leading to her death. He is now determined to act differently this time, having a new perspective and the knowledge of the past to make better choices and prevent the tragedy.