Kallen is a poor villager that lives in a rundown part of town along with Ohgi,Suzaku,Milly, and Rivalz. She later on meets the Prince of the kingdom named Lelouch Lamperouge. Kallen believes on her first impression of Lelouch that he was rude and arrogant. Later on Kallen helps Lelouch and he appoints her as his Knight. She moves in the castle and begins a new life as his Knight.