[Brainless light novel + multiple female leads + invincible + doesn't want to join the army]

What! You want to go to Chaoge to build the Star-Picking Tower and do hard labor instead of having a wife? Then I want a wife.

No, why do we have to open blind boxes to choose a wife? What if she turns out to be ugly?

Looking at the empty rice jar and the four hungry palace maids and wives, Wang Dangwu decided to make money first.

If you travel back to ancient times, you'll start by making sushi to feed your wife, then get married, and finally become stronger!

………

Development requires a powerful backer, and after searching high and low, Wang Dangwu discovered that he was the most powerful backer.