One day, Natsuki Amakusa - the hope of the MPD - meets an unusual high schooler named Yuuya Shiki. Natsuki's interest in the high schooler is peaked after Yuuya happened to be passing through the scene of a difficult murder case and determines the perpetrator with ease. How did he know who the killer was? When an incident later takes place at Shiki's high school, the two happen across each other again... Thus, a young policeman and a high schooler with a hidden power begin unraveling the mystery!