A Century Undercover, Now the Demon King's Son-in-Law

Someone asked, “Zhang Haocun, what exactly did you do to win the Saintess’s favor?”

Zhang Haocun replied nonchalantly, “Blind massage at max level, nest-building at max level, farming at max level, and canal-digging at max level.”

“I manage all the medicinal fields in our sect. After eating the spirit herbs I grow, haven’t you been leveling up much faster?!”

[Notice: Raise the target’s favorability to 60 to randomly obtain one of their martial arts.]

Zhang Haocun: I admit you were stronger a moment ago, but now I’m just as strong!

As an ace undercover agent, Zhang Haocun was a consummate professional who had never slipped up. He endured humiliation, bided his time, and acted with the utmost caution... With the System’s help (cue manual laughter), he finally rose through the ranks and won the favor of the Demon Lord’s daughter.

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This book is also known as “Undercover All the Way to the Top,” “Dear Son-in-Law, Don’t Go Back. We’ve Already Turned All Those Righteous Fools,” “Undercover Diary: Starting with a Record of Winning Over the Witch,” and “Everyone’s Competing, While I Lie Back and Rise to the Top.”