Julie Sigtuna
About
Julie says "Yes" and "No" in Swedish: "Ja/Nej". Her Surname is also the name of one of Sweden's oldest towns.
Julie from what she said was a happy little girl living with her mother and father. When she was little, her father was killed in front of her by an unknown person. That same person has put a scar on her back, which she uses as a reminder of why she attends Kouryou Academy.
(Source: Absolute Duo Wikia)