Spy Wars: As long as I'm subtle enough, no one will doubt me

+++Reborn in the parallel world of the puppet Manchukuo in 1940, Xinjing Changchun. The anti-Japanese war has reached its final stage, deep behind enemy lines, full of dangers! Eradicate traitors, destroy the book, and restore China! Liu Long is not only a mysterious ace agent, but also has a special system. As long as the information is sent out safely, you can get points, learn acupuncture, increase force value, acuity, decryption and intelligence capabilities. Mrs. Sato: "Aren't you afraid? I will tell the colonel your true identity!" Facing the terrified Mrs. Sato, Liu Long raised a sly smile: Madam, after all, you don't want the colonel to know about this, right? ...