Who is the official cp of Yuan?

Mona. In Genshin Impact's game, the official set Yingying's official identity as Mona. Mona is a mysterious prophet. She has the ability to predict the future and is one of the most important characters in the game. The formal relationship between Mona and Ying stems from the plot in the game. In the game, Ying and Mona have the same goal, and both want to find their past and true identity. So there is a lot of interaction and contact between the two in the game.