Christina Hayden serves as one of the Imperial Knights and works as Diseum von Earlshide's personal escort. She's known for being kind-hearted but pretty withdrawn—you won't catch her laughing much, and she tends to keep to herself. Fans often note her dynamic with Siegfried, which basically amounts to constant bickering whenever they cross paths. Melinda and Michel have had to step in more than once to tell them to knock it off, especially when Shin's around.
One thing that weighs on Christina is insecurity about her femininity, which occasionally surfaces despite her otherwise composed demeanor.
Content compiled by AnimeList.moe from publicly available sources.
