Pia
She is Seto’s little sister who rescued Aruka after they found her unconscious and floating on the nearby riverbank. She and Seto are orphans who live in some rundown house outside of the city. Both she and her brother have to resort to stealing in order to survive, she was later on adopted by Elle Karen after Seto got killed by the Sedel’s Contingent after he got track down for robbing their transport and killing one of their own.