Boldly Kidnap the Demon King and Take the System to Another World

Li Fang, as a modern good young man, saved an old man who was tragically involved in a car accident because of his bravery, and received a box lunch. Unexpectedly, the old man turned out to be an immortal, and insisted on giving Li Fang a chance to be reborn in another world. So Li Fang was reincarnated into a young master from a wealthy family, but at this time, the Li family was in decline. Countless properties in the family were taken away, the fields were taken away, the slaves were captured, and he was almost killed. All of this was done by the Yao family, who were also from a local wealthy family. Let's see how Li Fang protects his family business, turns around and reaches the peak of his life step by step?