Gekitotsu no Hexennacht - Volume 2, Chapter 12: But I Move Away

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon.

A top-secret experimental explosion transports Xiao Ming to a parallel world resembling ancient times.In this hostile land, he is the most unfavored prince, given the most barren fiefdom.Fortunately, however, a mysterious item from the experiment—the Technology Crystal—comes with him, granting him the ability to upgrade a technology tree.Thus, he begins a leisurely life in his fief, farming and developing industry.In the face of his unfriendly brothers and sisters, he has always followed the motto- friends come and get wine, jackals come and get shotguns.

After being bound to a self-help system, Xia Changhan lived in deep water every day.

System: You have to counterattack and fight beautifully!

Xia Changhan: No, I can’t do it.

System: You can hook up with the scum’s backer, such as his mother/his sister/his fiancee/his boss/his second uncle‘s sister!

Xia Changhan: No, I can’t do it.

System: Perform well or your wage will be deducted.

Xia Changhan: I will work hard!

Xia Changhan was repeatedly commended by the leader of the Space-Time Bureau.

When imparting experience to new colleagues at the year-end meeting, she burst into tears: “I only have three words for everyone- do it yourself!”

- Description from Novelupdates