Амаґірі Харука

Ayato's older sister. She is the one that taught Ayato the family fighting style. She entered school five years prior to Ayato's entrance to Seidoukan Academy but disappeared half a year later. She also participated in the unofficial underground Eclipse tournament. She once wielded the Ser-Versta; however, all records of her and including those pertaining to Lux have been erased.