After Making a Wish, the Apprentice Taoist Monk Became Abnormal?

[There are many female protagonists, yandere, and curious. Pei Qingyuan, the master of Xuantian Palace, has always been in love with his apprentice Yunzhu, who was raised by him. He thought that he would reveal his feelings to him when he became an adult, but fate played a trick on him and his apprentice actually fell in love with his senior sister. This made Pei Qingyuan very distressed. At this time, a former friend came to visit and gave her a very special gift.