Datang: Marry the Eldest Grandson Wugao at the Beginning

Li Yunyang traveled through the Tang Dynasty and became Li Yuan's eldest son, but he was born as a commoner and was destined to miss the throne. Three years later, the Eternal Emperor System was activated. After three years of dormancy, once he emerged, Li Yunyang had too many things to do, the first of which was to marry his eldest grandson, Wugou. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.