The super-high-ranking, pure-blooded mermaid tsundere* is obsessed with self-restraint, restoration of etiquette, and the great Yanshi
Yin Lan CP Xie Yi
Lots of private facilities, not official ones
Xie: All I want in my life is to exhaust all the ways of Yanshu in order to protect one person and one city.
Yin: For thousands of years, the only thing she has never learned is losing.
Question: "Yin Lan, what do our years... Count for?" Answer: "Count us as opponents, count as confidants. If you are willing... Count as the rest of your life."
During the battle in the Western Region, she said: Xie Yi, I am immortal, but you want me to be lonely for the rest of my life? No way.
One sentence summary: Laozi wants to give everyone as happy an ending as possible.