Spy War, Traveling Through the Days When No. 76 Was an Undercover Agent

As soon as Lin Ye opened his eyes, he was transported back to 1937, a special high school for sea protection. Confronted with Mie Kawashima, the head of the special high school course, she turned out to be the traitor detective captain... From then on, counter-espionage activities were launched, and bizarre deaths of Japanese and puppet officers continued to occur as he traveled through time.