The Murder in the Age of Frenzy of Locked Rooms: The Solitary Island in the Distant Sea and the Seven Tricks (Associated Names)

In the winter of three years ago, the first locked room mu*der in Japanese history was committed. All of the evidence pointed to the defendant. It was certain they were guilty. And yet, they were found innocent and released. Why? Because the crime scene was a perfect locked room no one from the police or…