Back to the Ming Dynasty: I Became Lan Yu’s Brother-in-Law

“Brothers, this tiny Xifeng Pass dares to block our way? Break through the pass and storm the city!” Lan Yu pointed with his longsword.

“Oh, no! This is our own pass! It's over, it's over! What did I do to deserve a brother-in-law as big a fool as this?” Zhao Yi cried out in anguish.

(The characters and timeline in this book do not follow actual history.)