Feeding the Tiny Kingdom, I Got Rich Through Interdimensional Trading

When a miniature apocalyptic world materializes on Yun Zhen's bookshelf, she becomes the divine savior to its desperate survivors. As floodwaters consume their civilization in 2143 AD, she rescues Pei Hao—a betrayed survivor left to drown by his companions. Their fates intertwine through the Spacetime Interaction System, allowing Yun Zhen to trade resources between dimensions. What begins as simple charity evolves into lucrative interdimensional commerce, transforming her into a wealthy tycoon while she plays god to an entire miniature civilization fighting for survival.