Later on, as individuals with ESP increment in numbers, so does the conceivable great and shrewdness they can bring about to society. The Japanese government sets up the Base of Backing ESP Laboratory (B.A.B.E.L.) a unique esper association tasked with managing circumstances that can't be determined by common means, incorporating managing espers occupied with criminal movement. Kouichi Minamoto, a 20-year-old wonder is relegated by B.A.B.E.L. to the errand of managing the most capable espers in the nation, a trio of talented however wicked 10-year-old young ladies known as "The Children."