Out of Japan's 220,000 police officers, only 500 are professional investigators. This comparison alone shows the difficulty of passing such an exam.,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.,After all, in this era, Japan implements happy education. To get into a good university, you need to attend private tutoring schools because some knowledge is not taught in high school at all, and yet it is essential for getting into university.。