The Eldest Son of the Great Tang

In the ninth year of the Zhenguan era, Li Yuan, founding emperor of the Tang dynasty, died in the Chuigong Hall. Before his death, Li Yuan revealed a shocking secret. That same year, a modern-day traveler named Li Zhan was exploring Mount Tianshun in Lantian County when a bolt of lightning struck him and sent him back to the Tang dynasty. A miraculous fusion made Li Zhan into Li Zhan, giving him the memories of two eras. Now, see how he makes a name for himself during the Zhenguan era. But as the story goes on, Li Zhan’s true identity is suddenly revealed... I’m actually the eldest prince of the Tang dynasty!!!