Pretend to Be an Imperial City, I Have an Equipment Slot

Lin Jing'an, a refugee, woke up in a ruined temple. Next to him lay a corpse with the same name and appearance as himself, with a dagger stuck in the chest. He stripped off the imperial company uniform of the corpse and put it on as an impostor. Holding the knife instantly activates the equipment inventory system. [Equip the Jinyun Sword, and you can learn the "Four Killing Styles" of the original master's assassination martial arts. His boss gave him seven days to solve the case, otherwise he would come to see him. All his colleagues were wiped out, the intelligence was different, and some people even dared to touch the Imperial City Division. I will solve the cases that no one can solve. I will kill the evildoers that no one dares to kill.