As a professional police officer, this world's own self is simply a scholar!,While relying on the fact that he gained memories directly after crossing over, another version of himself should also be able to gain his memories. That way, being a translator and making life easier would certainly be enough.,As for the criminal police, there are even more benefits. If you're on duty at night to investigate a crime scene, you'll get both an emergency call stipend and a night shift special operation allowance.。