Yan Yin insisted that he had never said he knew who the murderer was. It was unknown whether the sect leader believed him or not, but the final decision was that he and Ming Shu had to go down the mountain and go to the Xuan family site to investigate.
Originally, Ming Shu had to stay in the sect for her safety.
But common people just couldn't find where the Xuan family's stronghold was, and they couldn't bother Jun Qing, so they had to let Ming Shu lead the way.
Ming Shu was not very willing to do this. She didn't want to investigate anything, she only came to this world to collect Hatred Points.
But in the end, she agreed after considering for some time.
Down the mountain seemed to be more delicious food.
...
Of course, in addition to Ming Shu and Yan Yin, there were many other disciples joining the trip, including—the fake female protagonist.