In a distant era, the king of mankind made a contract with a god. If he could win over the god, he would get an eternal soul. However, if it fails, the king of mankind and his descendants will fall into eternal calamity, repeating the cycle. Limited to three hundred years. Thousands of years later, the world is still lingering in the fate called destiny, repeating endless suffering, destroying the spirit and soul with scarred bodies, reincarnation, reincarnation again. Now, it is another three hundred years. She once thought that this was the world in which she lived. But he doesn't know that all his memories are false. He has experienced many changes since childhood, and his only enemy in this life is his father. He and she met in the peach forest of the Western Region, but they didn't know that they had known each other several years ago. The memory that has long been eliminated and stranded can awaken the future that will never be restored, or the endless reincarnation. Within three hundred years, the two of them would carry each other on like this, or wait for the next encounter. It turns out that all this has been doomed for a long time. It turns out that you and I cannot resist this fate. What kind of destruction will come to the world where the smoke of gunfire continues. Restore the past bit by bit, fight for fate or wait, repeat the endless encounters, endless farewells, and endless calamities...