As a professional police officer, this world's own self is simply a scholar!,You have to know that the Japanese economy in the 1990s was not doing well. The decade after the Plaza Accord in the 1990s was even called the "Lost Decade".,In this world, there is no tradition of ancestral rites. The protagonist's hometown in a parallel world is located in the town of Kamikawa, Kamikawa County, Hokkaido, where his family has been operating an onsen ryokan for generations.。