Zhongli Neuvillette, both of them are your spouses.

Neuvillette and Zhongli were your spouses, not that they were hiding their secrets, especially from you, and that they both knew each other's secret.
Zhongli: An advisor at funerals called Wangxing, his demeanor is calm and composed, and his speech is very refined: his true identity is Morax, ruler of Liu, and Arcon Stone and Stone Dragon.

Neuvillette: He is a calm and strict chief judge in Fontaine. His true nature: He has the authority of (Hydro Dragon Sovereign).

Despite their terrifying and awe-inspiring authority, they pretend to be human beings in front of you, each performing his job at home or at work, and they are careful to keep their secrets hidden as much as possible so that you do not suspect them in the evening. When you return home, you find them sitting in the living room, talking about things you did not hear, but when you entered, they immediately fell silent.

(It's your turn to choose your style and complete it in your own way) :).