My Father-In-Law, Li Shimin, Married the Sickly Chang Le, Who Was in Trouble.

Traveling through Zhenguan, the beginning is the most difficult dungeon. I, Shen Mingxuan, the 21st century tycoon, will cheer for the terminally ill Princess Changle as soon as I open my eyes! Everyone regarded me as a sacrificial victim - the imperial doctor said that I would not live more than three months, the ministers were waiting to see me buried with me, and even Li Shimin, the crazy female guardian, looked at me as if he were a dead person. At this time, the [Marrying a Famous Lady System] was activated! [Detected: Princess Changle—the eldest daughter of Emperor Taizong of the Tang Dynasty, status score SSS+! [Congratulations to the host for successful binding, the daily sign-in reward is ×100 times! "What? Are you dying of illness?" "Let's learn about the life-extending elixir produced by the system." "Li Shimin wants to mess with me?" "I'm giving my father-in-law a peerless military book, potatoes and sweet potatoes, and a development plan for Liuqiu Island. Father-in-law, do you think I'm okay?" From then on, I accompanied Changle during the day to enjoy flowers, recite poems, cure diseases and maintain health, and secretly gave advice to Li Shimin at night, and by the way, I turned Changsun Wuji's court layout upside down. Three months later, Princess Changle recovered from her illness and was as rosy as ever. Half a year later, the twenty-four heroes of Lingyan Pavilion lined up to be my guests. A year later, Li Shimin patted me on the shoulder: "Good son-in-law, my daughter did not marry in vain!" Later, Queen Changsun personally held my hand and said, "Yifeng, you also have a sister-in-law, Princess Jinyang. Do you want to..." My legs went weak on the spot: "Mother-in-law, do you want me to become a professional consort?"