In the imperial garden that year, the Fourth Master made his personal promise to Ruoxi and would never leave him, because Ruoxi and the Fourth Master had successively...
Three hundred years later, when they meet again and return to the Forbidden City, who will remember whom?
"I know you are not Ruoxi."
"Yes, I'm not."
"But I also know that you are Zhang Xiao. I have been thinking about Zhang Xiao for three hundred years - the person I once loved deeply and who I am destined to love forever."
No matter how many lives pass by, you will always be with me.