This person graduated from the Faculty of Law at the University of Tokyo and passed the national civil service examination all at once while studying at the University of Tokyo. During his time at the National Police Academy, he also graduated as the top student.,Out of Japan's 220,000 police officers, only 500 are professional investigators. This comparison alone shows the difficulty of passing such an exam.,After all, a lot of people are unemployed, and there have been many suicides by jumping from buildings. Who would be interested in going to an onsen!。