Just as many people have traveled to different time and space eras, in the past, future, fictional world, and even the two-dimensional world, there are also an unknown number of people who have traveled to the world we are in now. Among them are the leaders of that era and ordinary people. Naturally, there are also some so-called "bad guys" who have traveled through. And, as a time traveler catcher, all I can do is follow orders.
Concept: The protagonist's path to maturity