Case File nº221: Kabukicho

Kabukicho is a Shinjuku ward neighborhood famous for its neon lights and hidden social issues. John H. Watson, a hospital employee on the west side, has an unexplained case that needs solving. His search for help leads to the Pipe Cat, a bar in the area that doubles as a detective meetup spot, where he encounters Sherlock Holmes and other skilled investigators. They're dealing with a case linked to Jack the Ripper, a notorious serial killer, which draws Watson further into their world.