Let You Be the Emperor's Substitute, and You Will Become the Emperor of the Ages

After traveling through time and becoming the emperor's substitute, I just want to live peacefully. However, the true emperor wants my life, and the powerful officials want my death. Surrounded by powerful enemies, your life is at stake! Since there is no way to retreat, don't blame me for being cruel. You can sit in this country, why can't I? Kill powerful ministers, punish traitors and sycophants, withdraw military power, and consolidate mountains and rivers. Awake to hold the power of the world, drunk and lying on the knees of a beautiful woman! Leading thousands of cavalry to defeat ten thousand armies, I am the emperor of the ages!