Everyone knows the difficulty of the Anti-Japanese War, but I don't think any Chinese would refuse to go back to that era and help the confused ancestors clarify the path to success.
Chen Xin, a modern history graduate student, inexplicably traveled back to the Anti-Japanese War period. There was no golden finger or system. He relied on his familiarity with history and the most basic theories of modern medical, military, and civil engineering to help his ancestors find a less painful path.
