The fate of the nation was entrusted to those who abandoned the law and name. Unpredictable spy action, opening! There was a female member in the Ground Self-Defense Force's elite unit and special operations group who was tired of the days of training. One day, at the behest of her superior, she heads to a certain garrison and is scouted by a mysterious man to a unit called "another team." The name given is "Nana". And she was at the forefront of a national defense war, dominated by numerous plots and violence.