The Witcher: Start with the Lord Marrying a Wife

[The best story about wizards getting married in 2024]
After traveling to the wizard world, David never thought that he was a waste and could not activate the frost wolf bloodline in his body.
Just when he married and planned to have children, the system suddenly awakened, and he only needed to communicate with his wife to become stronger.
Let go of that witch, let me do it.
David has since found a new way to practice, marry a witch, build a wizard empire, and pursue the truth.
ps: Not sloppy, the king fights for hegemony and farms, the emperor is ruthless and affectionate.