The past wears the present. Time travel. There are many of the best, and each one is different. What impresses me the most is that except for those who commit crimes, they can get better results after they wake up and change their ways.
The heroine does not suffer any grievances. Do not accept moral kidnapping. Patriotic. Revenge awaits. Directly write that the prototype is you and reveal your true face. And while gaining fame and wealth, he also warned in advance of some of the shortcomings of the era. Expose some problems. Let all industries improve. Really good.