Daxia Teacher

In the wild sea, there is a village named Liutan. There is an old willow in the village, called Liu Niangniang, who uses its branches as a shield every night to block the evil spirits from the mountains and sea. There is a piece of bluestone behind the village, which the locals call Shi Gong. It only suppresses the evil spirits underground and does not care about the evil things on the mountain. I... Xu Xuexi, a time traveler, a teacher.