One day, Natsuki Amakusa—the hope of the Tokyo Metropolitan Police Department—encounters an unusual high schooler named Yuuya Shiki. Natsuki's interest in the student is sparked after Yuuya happens to pass through the scene of a difficult murder case and identifies the perpetrator with ease. How did he know who the killer was? When an incident later occurs at Yuuya's high school, the two cross paths again... Thus, a young policeman and a high schooler with a hidden power begin unraveling the mystery!