Prologue: Curtain

On both sides of the mirror lake, the two people's eyes penetrated the rising mist and fell on each other. Just like many years ago, there were stars between them at that time, but today only the lake is left. This is the latest moment. There is only one person in the top spot. No one wants to watch their life-long career go on a path that they think is wrong. The scabbard was discarded casually, and the tip of the sword was pointed forward. "If you are right, if the future belongs to you, please prove it to me."