He was a fine arts teacher in his past life, a single dog all by himself. When he wasn't busy, he would watch anime and mystery-type works. As a result, after one sleep, he woke up to find himself transported to this world.,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 that, with the support of his family and the prize money, he successfully graduated from the Faculty of Law at Tokyo University. Afterwards, he passed the Class 1 Examination and became a professional elite.。