The Beautiful Master Is a Yandere

Lingche didn't expect that his junior sister Shui Qingyue, whom he had always admired, would join forces with demon cultivators to kill her. After her death, she turned into a soul body and watched helplessly as her spiritual roots were about to be taken away... Nor did she expect that her master, whose master-disciple relationship was only in name only and had not been seen for hundreds of years, would appear here to regain her spiritual roots and avenge her murder. I never thought that Master would kill himself for her... Once she was reborn, she returned to the night before she broke up with her master hundreds of years ago...