Everyone in Mondstadt likes Mr. Kaia.
Miss Margaret who runs the tavern is always amused by the knight's sense of humor; the brave young man Bennett has great trust in this omniscient brother; the reason why Flora from the flower shop has a crush on Kaia It's very simple - because his eyes are particularly deep.
In the Knights of the West Wind, as the most trusted deputy of the acting captain Qin, the newly promoted cavalry captain has completed missions again and again, thus constantly proving that he is smart, reliable, and indispensable.