I'll Borrow a Baby from the Current Prince

Xu Siji was just a brother-in-law of a country squire. One day, he was spotted by Mu Yuan, the prince of Dingbei who was out in the capital to relax. Mu Yuan immediately came to propose marriage and promised to be the crown prince and the king. Get engaged in June and get married in September. Xu Siji happily married into the Hou family, but on their wedding night, his eldest husband poured cold water on him - Mu Yuan asked him to borrow seeds to have a child. The reason was that he, Mu Yuan, was infertile, and Mu Yuan's choice of Xu Siji as his lord happened to be easy to control! Ps: It's a short article with no logic. It's estimated to be 20,000 to 30,000 words. I'm overestimating myself. Pps: The full text is being saved and will be updated as soon as it is saved. Double place, sweet article. Intention: You think it is a pie, but in fact it may be a trap