Hidden in the court

"My name is Ji Mingshang. I traveled through time and space and became the prince of Jin. I used to be a general, but now I am a playboy. This is my good brother Zhao Yao, a native and the prince of an enemy country. This 1.5 meter hottie is my fiancée, the daughter of the prime minister of the dynasty, and the marriage was granted by the emperor. My father-in-law doesn't seem happy? My father wants to rebel, but fortunately, I am not his biological child. I know that I am not the only one who traveled through time. Everything was fine until a woman with two looks and a script came to my door..."...