[Machine Translation] In 1899, London was abuzz with great news. Arsene Lupin, the thief, has sent out a warning that he intends to steal the diamonds from the Fogg mansion. The "Birdcage Man" and his team, detectives specializing in monsters, and Sherlock Holmes, the world's greatest detective, are asked to guard the house! In addition, the agents of Lloyd's Insurance Agency and the "Professor" faction that Raven Night and the others are chasing are also on the move...? Who will win the battle for the gem, full of detectives, thieves, and monsters, and who will have the last laugh?