Cipher Buddies of the Ancient Capital Labyrinth

A cipher hidden in the temples and shrines of the old capital, pointing to a stolen hidden treasure. Waiting at the scene is Ryoma Sudo, a hot-blooded boy detective with sharp insight and superb martial arts. As the two race through the city competing to solve it first, the shadow of a ruthless assassin closes in. A joint-investigation suspense about two partners who trust each other's backs in perfect sync.