She is one of the students studying in Millennium Science School who wields a Sniper Rifle. She is a member of the Cleaning&Clearing, She is an agent of the C&C. Her codename is "zero-two," and she is responsible for providing strong fire support from the backlines. Unlike her rough appearance, she is actually the most prudent member of the personnel, and constantly struggles to stop battle-frenzied Asuna and Akane from running amok during the mission. She also has trouble with math.