A Borderland Marriage Alliance: I Build Infrastructure to Support an Iron-Blooded God of War

[Frontier setting + infrastructure and farming + marriage alliance + sweet romance + comeback + two strong leads + healing + System + satisfying read] Shen Qingdai transmigrates into a book and straight into a death trap: within five days, the Helan tribe will slaughter the entire Shen clan. At the critical moment, she heads straight for the Zhenxi Army camp. “General Zhao, let’s form a marriage alliance! You protect my family, and I’ll help you forge divine weapons, open waterways, and defend the frontier.” Zhao Tieyi shakes his head. “I’m trapped in this isolated city. I could die in battle at any time. I don’t want to hold you back.” “Perfect,” she says with a smile. “I’m lucky by nature. I bring good fortune to my husband.” Before the wedding, Zhao Tieyi rubs his temples. “This Miss Shen is so full of energy, she’s impossible to handle!” After the wedding, with his beautiful wife in his arms, Zhao Tieyi sighs, “With a wife like this, what more could a man ask for?” The Zhenxi commandery lies isolated beyond the frontier, short on food, water, and weapons. Shen Qingdai opens up farmland, diverts water, plants forests, and establishes trade routes, carving out a way to survive in the Gobi Desert through sheer determination. She turns torn fishing nets into chainmail, forges rusty scraps of iron into blades and guns, and refits worn-out tires into powerful crossbows. In her hands, every scrap of metal becomes a weapon that puts her enemies on an entirely different level. Zhao Tieyi defends the land and guards the frontier, leading thousands of soldiers like tigers against packs of wolves and turning the isolated city into an impregnable fortress. A hundred thousand cavalry descend on the frontier. Five thousand soldiers wielding divine weapons fight their way through the enemy ranks, killing their way through ten times their number. Zhao Tieyi becomes a legend in a single battle. When the lifeline to the Zhenxi commandery is finally opened, the court is shaken. The emperor wants to make Shen Qingdai his sworn sister, but she turns and walks away. “Don’t bother me, I’m busy! Nobody’s stopping me from building my career!”