Ichinose Asuna is one of the students studying in Millennium Science School who wields an Assault Rifle. She is a member of the Cleaning&Clearing or called C&C, An agent of the Millennium's secret organization, C&C her codename is "zero-one" and a veteran of overcoming many challenges with her brutal instinct and intuition and super luck. On missions, she's very openly trusting of people and breaks any sense of doubt or uncertainty. Her actions are hard to understand but never fails to produce.