From the Start, I Reveal the Imperial List, and You Say the Empress Is My Mother?

Li Mu, a king of the special forces, transmigrates to the Great Feng Dynasty, where the Japanese are swaggering around from the start.

After drunkenly answering the emperor's call for challengers, Li Mu is brought to the arena. He beats the Japanese into submission with a flurry of punches, only for the beautiful empress to keep him by her side.

Li Mu: "I only answered the emperor's call. How did the empress turn out to be my mother?"