Who Sighs in the Misty Rain?

Seeing the sentimental West Lake again, who sighs for the cold water? Seven-year-old Leng Ruohan, fourteen-year-old Han Zijin, and fifteen-year-old Fang Wenxuan, what did they find during that tangled trip to Yuhang ten years before the story of "Dancing Traces of the Cold Moon"? Is it a commitment as heavy as an oath? It's just that they are not the protagonists by the West Lake. Behind those stormy stories, there are two sad souls. Lan Xiyu Yun Rongrong What's the scene like by the same lake? Conception: