Fake Eunuch: I Am the Only One Who Dominates the Harem

I was lucky enough to travel through time, but sadly I found out that he was a fake eunuch who was about to die. In order to save his life, he had to do something, but he didn't expect that this place would be so shocking. From then on, the civil and military affairs of the entire dynasty were inseparable from him. The empress wanted him to be the regent for nine thousand years, the wise king wanted him to be an aide in the palace, and he did not hesitate to hook up with a beauty. King Xuan would not marry him unless he was married, and he fled resolutely on the way to get married...