||Serendia's family was a well-known knight family. Serendia grew up under a strict nanny Betty being educated about the knighthood. However, after the day of the Eclipse, Serendia's family was ruined for joining forces with Fabian. Betty ran away from the family house with Serendia and they lived relying on each other. One day, a priest came to Serendia and suggested revenge. Serendia took the offer and joined the Twilight Order. Betty was against this idea, but Serendia had already made up her mind. Betty decided she'll take care of Serendia to the end.