I Transmigrated to a Famine Year and Led My Three Sisters to a Life of Good Food and Comfort

Qin Chuan transmigrated to ancient times. He became a penniless scholar who lived off others and did nothing all day, even beating and berating the three older sisters who worked so hard to support him. “Sisters, don't worry. I, Qin Chuan, will make sure you all live well.” An orphan in his previous life, Qin Chuan had finally experienced the warmth of family in this one. How could he fail to cherish it? What's more, he had a System to back him up. 【Ding! Rare vanadium-lead-zinc ore detected!】 【Exchange?】 …