Returning the Pearl and Transforming into Ziwei's Sibling Brother

Traveling to the world of Huanzhu, he became the brother of Ziwei who does not exist in the book. Should he pull this cheap sister away from those dangerous people, or should he stay away from all the protagonists? Although the process was very different, I finally came to the Forbidden City, got married, and got acquainted with these dangerous people, but why was it different from what I saw? What's going on with a certain man? He's been kidnapping me to go back and be your Fujin. Purpose: Build a better life together