The Armed Detective Agency's latest case brings them to a strange island off the coast of Yokohama called "Standard Island," but what awaits them turns out to be far more complicated than expected: a bomb, time travel, a mysterious skill user named H.G. Wells... Will this incident spell the end of Yokohama itself? P.S. This Belongs to Kafka Asagiri not mine

Ten years before the events of the manga series, a fateful encounter brings a professional bodyguard named Yukichi Fukuzawa and an arrogant boy genius named Ranpo Edogawa together. The result: the establishment of the Armed Detective Agency, an organization that takes on dangerous jobs even the police won't handle! P.S - This belongs to Kafka Asagiri not mine