He is a murderous devil. In order to achieve a great cause, he risked his life and became a disciple of Qinglian. By some mistake, his memory was blocked and he met him.
His identity is a mystery. He couldn't figure it out for three hundred years, but he accidentally accepted him as his servant.
Three hundred years of wind and rain, a bloody wind and rain, let's see how they choose.
Yuji: Xianyu?
Xianyu: There are countless beauties in the world, and there will always be a romantic spot for you. Why do you always pester me?
Yuji; you guess.
Purpose: Master and servant