About

"TOKYO CITY" This massive metropolis, home to 30 million people, eventually came to be known by that name. As the population surged, so did crime, and the police force found itself unable to cope, leading to a plummeting arrest rate. Public order fell into chaos. To solve this problem, the "Unified Great Detective Organization" was established— Known as "NEST." NEST maintains a roster of 100 "Great Detectives." The only qualification required is intellect. Personality and background are entirely irrelevant. Supporting these flawed Great Detectives are just two "Recorders" per person. The only quality required is compatibility. Ability and personality are entirely irrelevant. From missing items to heinous crimes, many incidents occur in TOKYO CITY. There is no mystery these Great Detectives cannot solve. To protect the peace of this city and eradicate crime. And—to prove that they alone are worthy of standing at the pinnacle of Great Detectives. The Great Detectives and their Recorders solve new mysteries again today.