The gears of fate never stop for anyone. He was reborn after the world was destroyed, but he suffered from reincarnation. Why? She was born in response to the Tao, but she fell into immortality and became a demon. Why? The storage of memory, when we meet again, use it? Being used? Why should we go there? When he woke up, he was in another world and no longer knew who he was? The conspiracy reappears but the mystery has already been revealed. Who is it? Why is it that the Contracted Soul is so familiar with who it is? Is the awakened memory an illusion or real? Who is she accidentally involved in the torrent of time and space? Who is it that forces a contract with others as soon as they wake up? Where does this inexplicable familiarity come from? Who will be awakened by the sealed memory?