Tarō Hirai , better known by the pen name Edogawa Ranpo , was a Japanese author and critic who played a major role in the development of Japanese mystery and thriller fiction. Many of his novels involve the detective hero Kogoro Akechi, who in later books was the leader of a group of boy detectives known as the "Boy Detectives Club" .

Nabari is a city located in central Mie Prefecture, Japan, bordering on Nara Prefecture to the west. As of 1 September 2021, the city had an estimated population of 77,022 in 34,658 households and a population density of 590 persons per km2. The total area of the city is 129.77 square kilometres (50.10 sq mi).