Kaeya Alberich is an outwardly confident and charming omega with a flair for drama. He is sometimes seen as overly laid-back and even lazy, but he takes his work seriously. His charisma and determination have earned him the admiration, respect, and favor of many people in Mondstadt. He often puts people in high-stress situations to challenge their values. As the Cavalry Captain of the Knights of Favonius, however, he's always kept his second gender a secret.