Great Tang: Was I Personally Pursued by Emperor Li Shimin from the Start?

After making a birthday wish at the worst possible time, he caught the attention of a “wish-granting sprite” who’d been drinking fake liquor! Even the System he got was broken... But to get Song Fang to work hard at the game, his humble System gave him all kinds of good stuff, helping him build his own nation. Before long, he had united half the world in the early Tang dynasty...