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Out of Japan's 220,000 police officers, only 500 are professional investigators. This comparison alone shows the difficulty of passing such an exam.,And the memories in Tang Ze's brain allowed him to deal with familiar people and affairs with ease. It can be said that although he had traveled through time, his circumstances were good, and he didn't have to worry about his livelihood.,In addition, these materials and the protagonist's family background, including the historical setting, took me a long time to develop.。

• latest chapter： Chapter 2 This era is a bit difficult