This is the Fengyan Dynasty.
She is an emperor's daughter who is not favored by the empress, and lives under the halo of her sister. After living in Mobei for seven years, she was able to return to the Imperial Capital. Feng Yanrong, who returned to Kyoto, gradually learned the tricks of power and intrigue, and deliberately plotted against her sister Feng Yanzi.
He is an aristocratic young man. He witnessed her sadness when he was young, but he just watched with cold eyes. He had a crush on Feng Yanzi and made things difficult for her at every turn.
Just sit back and watch the emperor's daughter, how about marrying me?