Trading with Emperors of All Dynasties, Li Shiming Worshiped Me as His Emperor's Mentor

Liu Yi went to college for four years and was immediately unemployed right after graduation. When he was frustrated, he actually activated the system and from then on he could conduct transactions with countless emperors in the past. … Wang Mang: "Boss, that Liu Xiu is too powerful. Give me a few of the ultimate killer weapons you mentioned last time. I'll let Liu Xiu know what peace is!" … Zhu Yuanzhang: "Boss, these sweet potatoes are so awesome. If you have anything else, bring it to us!" … Ying Zheng: "Boss, you are really not a fairy from this world? But why do I feel young again after taking your medicine?" … This is a story about a modern young man traveling through the system, traveling through history, and trading with many emperors...