The Leisurely Prince of the Tang Dynasty

After transmigrating to the glorious Tang Dynasty of the Zhenguan era, I thought I could turn rocks into gold, fulfill my grand ambitions, and accomplish something earth-shattering! Actually, no. In my previous life, I was just a teacher. Writing a web novel nearly worked me to death. In this era, I don't need to pursue grand ambitions myself. Emperor Li Shimin is already building an age of prosperity that will last for centuries. Why would he need me to help or worry myself over nothing? This time around, I'll just be an easygoing prince, spending my days drinking and admiring the sights of the Tang Dynasty. What could be better?