She is the daughter of Feng Qiguo's right prime minister, his most noble queen, and the love of his life.
He is her lover in this life, but he is her guardian in the past life. He can give up his bright future and precious life for her.
He is her blue-faced confidant, but he is only a confidant. He knows that he cannot be the lover who holds hands with her, but he still stubbornly allows her to live forever.
He is the prince of Feng Qi Kingdom, the future emperor, and even more so, her husband.