The Republic of China, Starting from Becoming a Shanghai Beach Detective

Police psychological profiler Lin Chengfeng was accidentally reincarnated and returned to the Republic of China, and time-traveled into the body of a rich young man. Once he traveled through time, Lin Chengfeng found that his powers of observation had improved to a microscopic level. Not only that, but he vaguely discovered that there were still many areas in his body that could be developed. Opening a detective agency, making movies, doing publicity, participating in major events, Lin Chengfeng is willing to do anything that can awaken the public. The sleeping lion has woken up, let's ask who in the world can compete with him!