Due to their paranormal abilities, two young brothers (Naoto and Naoya) are cast out by their parents and given into the custody of a research center. They escape fifteen years later, and soon learn that they will play a pivotal role in the coming "Upheaval".

"...It is said that 70% of the human brains' capacity is left unused. It is thought that the amazing powers that humans possess are hidden within these parts. That unused 70% of the brain is also known as...Night Head."