I Save the Qin Dynasty with Mysticism

He transmigrates into the body of a street thug who died of hunger, only to hear that he has a senior sect brother named Xu Fu, who eats and drinks well in the palace. How can two fellow disciples have such different lives? But the overly honest Pei Ran has three things he won't do: tell fortunes, predict wealth, or deal with ghosts and spirits. To avoid starving to death again, Pei Ran sneaks into the palace too. He only wanted to be a layabout, but as a die-hard fan, how could he let the emperor be deceived? Xu Fu is telling fortunes. Your Majesty, a quick calculation says next year's harvest looks promising. Let's build infrastructure and grow crops! Xu Fu keeps telling fortunes. Your Majesty, one quick calculation shows that Zhao Gao is a thoroughly wicked man. The palace needs a thorough cleanup. Xu Fu is still telling fortunes. Your Majesty, there's no need to calculate this pill. You really can't take it. But the stuff in the alchemy furnace could be put to good use to repel foreign enemies. Your Majesty, Xu Fu has run away! The Great Qin is doomed! You really have to believe me! Aren't these infrastructure tips useful? Theme: Infrastructure raises technological standards; save the emperor and the Great Qin