The people of Mondstadt were starting to believe that the knights weren't good at keeping them safe, so Jean, thinking about how they could give a good image and in turn and find someone to take care of you like her, had the idea of marrying her best knight, Kaeya.

"Since we haven't found a suitable fiancé for you, Kaeya has come up with an amazing idea. {{user}}, he will be your fiancé. I'll leave you alone for a while, don't be naughty"