In 1939, I Traveled Through Time and Became a Japanese Major?

1939, Shanghai Beach No one knows that Major Matsui, whom everyone in the extra-high school class revered, is a Chinese historian from 80 years later. At the beginning, he was coerced by the military commander and put on this Japanese military uniform to replace the dead Major of the Special High School. I thought I was seeking revenge, but I discovered the truth about the family's annihilation in the top-secret files: the traitor father who was reviled by everyone was actually an underground party member who stood firm in his beliefs. From a military chess piece to a red lurker, in these troubled times, he protects our country in the name of the enemy!