In a world where violent crime rises daily, the government establishes a covert agency called "JK Justice Organization," training teenage female warriors. As a result, the "High School Girl Detective: Blue Celest Striker" is born—empowered with the authority to instantly judge and execute criminals. These agents operate under the condition that the government assumes no responsibility for mission failures. The protagonist, Ai—designated Blue Celest Striker 01 (Zero One)—infiltrates a suspicious academy to expose a human trafficking conspiracy. Her actions place her on the front lines of the battle between justice and evil.