The Ruthless Man Who Governs the Country: Kill the Enemy Prince at the Beginning

After ten years of forbearance, he was humiliated when he returned home? I killed the prince of the enemy country with my backhand, shocking both the government and the public! The world accuses me of massacre, but I kill 300,000 enemy invaders just to protect my great Yong people! They asked me to take over the throne, and then I took over the government and took charge of the country!