[Machine Translation] A buddy suspense TRPG about bonding and deduction is now available in a scenario book featuring "mysteries" from various worlds! The book includes mysteries set in the Taisho era and medieval European-style worlds, mysteries of crashing airliners and mysterious amusement parks, mysteries hidden in everyday life, mysteries of giant creatures, and more! It also includes scenarios written by unique guests, short scenarios that can be played in a short amount of time, and scenarios that bring detectives together! This world is a festival of mysteries! Bonding and deduction will go beyond the world!