Mysterious codes written in alphabets and numerals appear on the streets of Kyoto. Stickers with numbers have been pasted in all directions and at street intersections in the city. The curious Takuma Yoshito, Anegakoji Chinami, Matsubara Yuiko and Horikawa Kohei of the Kyoto Prefectural Police’s Special Investigation Unit begin to investigate. They figure out that a case will certainly occur at the spots where the stickers have been pasted. Who is the
