Get the Detective System, I Am the Strongest Household Registration Policeman

Zhou Xiaomao traveled through time and became an ordinary household registration policeman. But he accidentally awakened the detective system and has since become a myth in the police world. On the first day of employment, I haven't even waited for my butt to get warm. Zhou Xiaomao encountered the corpse dismemberment case. [Start the detective system! [Read the character card! Today I'm using... Edogawa Conan! While experts were still at a loss to figure out the confusing case, Zhou Xiaomao had already seen the truth. But when there is still no clue to the unsolved case that has not been solved for many years, Zhou Xiaomao is already preparing to make a closing statement. Please call me police detective.