It's possible that it's because the first one starts with the surname Tang,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.,PS: A 22-year-old detective is possible, the protagonist's birthday is set later, so he is still 22 after graduation, besides, that's how twisted the occupation group is.。