Queen, Please Open the Door. My Servant Is Here to Say Hello.

[Another world + struggle for hegemony + seizing power + palace] "Are you a fake eunuch? Huh! You're talking nonsense. Only the emperor is a man in the palace!" "You have to believe me, I'm really not a eunuch." "You said you are a man, right? Do you have a wife?" "Daughters-in-law don't have it, women do." "Oh, by the way, the Queen Mother, the Imperial Concubine, the Princess, and the female generals often come to me too!" "You are very courageous. Aren't you afraid that the emperor will chop off your head?" "The emperor is nothing! I have a system!" After having a divorce, things went smoothly in the palace, which made Liu Sheng feel that life was boring, and it all started when the queen was thrown into the cold palace...