I'm a Security Guard, Why Are All the Major Cases Coming to Me?

Han Ling traveled through parallel worlds in order to complete system tasks. Work hard to complete all the major unsolved cases in the city. Two years later, Han Ling has become an expert in solving crimes. Refresh the skills granted by the system to the full level in trace detection, criminal psychology, fighting, firearms and other skills. There are no more unsolved cases under my eyes! One year later. Just when he was still young, he took a detour in 40 years and became a security guard ahead of schedule. Time to enjoy your retirement. One major case after another comes one after another. This time it's not as embarrassing as before. And he seemed to feel the passion of the past. Just when I was about to leave the mountain. The daughter of a world-class chaebol also came over. Han Ling predicted in advance that he wanted to confess to me? Sorry, it's working time now, please don't interrupt! Little security guard, why didn't I say anything? Why don't you follow the routine? Please let me say something! Stop guessing, you guessed everything right! Are you still a security guard? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.