World-Ending Demon Emperor

After crossing into another world, he became an impostor City Lord, with a domain spanning five hundred miles and a sister who was a national beauty.
He also had to revitalize a family that was teetering on the brink of collapse. As a college junior, Lanling felt overwhelmed by the pressure.
Endowed with the power of Yao Xing, he could directly devour others' cultivation and claim it as his own. And his sole mission in crossing into this other world was: to destroy it!
From City Lord of Tianshui, to the queen's husband, to the World-Ending Demon Emperor, he eventually became the king of the entire world!
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Note: I've been in the industry for 12 years, published over a hundred books, and this is my eighth book, all of which are completed. With previous works like 《Nine Yang Sword Saint》 and "Mech Battle Emperor" being bestsellers with tens of thousands of subscriptions, you can read with confidence.