Empress, Please Behave. I’m Your Father-in-Law

Lu Chen transmigrates into the wealthy merchant Master Lu and obtains the All-Purpose Development System, but it unexpectedly binds itself to his useless, unscholarly son, Lu Yu.

With the mission about to fail, he stumbles upon a loophole in the System:

As long as he acts in his son's name, 'Lu Yu,' he still gets the rewards!

From then on, astonishing military strategies attributed to 'Lu Yu' spread along the border, timeless poems by 'Lu Yu' circulate in literary circles, and the improved wines and farm tools credited to 'Lu Yu' sell briskly in the markets...

His fame reaches the imperial court.

The newly enthroned empress of Great Chu, Chu Yueli, overrules all objections and takes this 'young genius' as her imperial consort.

But on the eve of their wedding, she discovers that the real Lu Yu is dull-witted and hopeless.

Chu Yueli narrows her beautiful eyes and approaches Master Lu, who is wiping sweat nearby. She hooks a delicate finger under his chin:

“Duke Lu, would you care to explain this to me?