Synopsis
Rikka Isurugi has spent her life training in the way of the ninja with her grandfather Hyoe while following in the footsteps of her father, the esteemed researcher Allen. His work has culminated in a set of cutting- edge drones equipped with artificial intelligence and incredible technical capabilities; although Allen plans to develop these drones for civilian use, there are others who have more sinister ideas in mind. On Rikka's 16th birthday, things are forever changed when a paramilitary gro...
