What is the constellation of Yutong Shan _ Why is Yutong Shan so powerful?

What is the relationship between Yan and the spiritual master who painted rivers and lakes?

What is the relationship with Yan? Does Yutong Shan like Yan? After watching the preview of 30 episodes, I found that Yan seems to have a good relationship, so what is it? Let's have a look.

What is the relationship between Yutong Shan and Jiao Yanling?

In the preview of 30 episodes, Yan said: He can't protect you at all. So what does this mean? Does Yutong Shan like Jiao Yanling?

This is definitely not as simple as Shan Yu's childlike innocence. What does it matter? Brother and sister or something? What does it mean to save Lingjiao Yan and lie in the trough in front of her? Is it to test whether Lingjiao Yan really wants to follow the trend with no regrets?