Conspiracy in the World of Mortals

Once he traveled through time, he became a slave. What, after finally traveling through time, he ended up in such a promising career as a maid? This profession not only wakes up earlier than a dog and goes to bed later than a chicken, but one can also be killed by those evil feudal masters if one is not careful. What, are you running away just after traveling through time, or are you being hunted by the current emperor? ! As a heroine, this is unscientific! So what if I come from the 21st century? I'm just helping the ancients to see how I can become prosperous and stir up trouble in this pot of muddy water. Let's see how the soul of another world survived in ancient times.