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".,Besides, I wonder if you've seen Monogatari Series, where Araragi Kun became a deputy police superintendent at 23 after graduating from university. His sister joined the police force as a patrol officer while still in high school.,As a meticulous person, I can only say that I have done my best with this information. If there are any inaccuracies, please refer to the book as the standard for changes in the parallel world.。