The information here comes from a post made by the official account on Hoyolab made on 29 November 2023. This image has been broken into pieces to better organise it.

The Knights of Beauty? They are an elusive bunch!

They are used to wandering the universe alone. But, if you run into one of them, you can always stop and take some time to listen to them expounding on the story of Idrila~.