After wearing the book, he became the villain's brother-in-law of the protagonist

The unlucky author passed through the book and accidentally became the cannon fodder of the cool villain in Chapter 1. The Beichen Empire's ruling and opposition parties are full of dangers, hundreds of clans are fighting, the fairy court workplace, and three thousand talents from the world are fighting for the top. Let's see how he turns things around every time. Set sail in the sea!
A brother-in-law who does not hold his thighs is not a good brother-in-law!
"I'm very talented, I was born with eight meridians!"
"I'm the protagonist's brother-in-law."
"My family is famous, and I was born with high power!"
"I'm the protagonist's brother-in-law."
"Can you change it?!"
"The protagonist's sister is my brain mother~ Actually, let me tell you a secret, I am the author of your world!"
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Novel keywords: The villain's brother-in-law who became the protagonist after wearing the book No pop-up window, The villain's brother-in-law who became the protagonist after wearing the book