Haname Chidori is a high school girl who was born with hidden ability of a "Whisperer". Whisperers, under certain conditions or influence of drugs can create advanced physics or mathmatical formulas which allows advanced weaponary to be made. Due to the existance of people with such abilities, many advanced weaponary have been created. The most common among them is AS( Armor Slave ), a giant humanoid mecha. Sagara Sousuke is a pilot of AS for "Mithiral", an organization that destroys terrorist organizations, drug cartels and tries to maintain balance of advance weapon research through whisperers. This time he is assigned to go undercover as a high school student in order to protect Haname Chidori from being kidnapped and used to create advanced weaponary. This is the start of the events that will eventually reveal the truth behind whisperers and where such advanced "black technology" come from. <br />