From the Start, I Became Cellmates with the Crown Prince, and Li Shimin Couldn't Sit Still

[Transmigration to the Tang Dynasty] + [Inventions and Innovations] + [A Bevy of Beauties] + [Political Scheming and Power Struggles]

Archaeologist Su Ye transmigrates into the body of a prisoner in the Tang Dynasty's imperial prison, where he becomes cellmates with Crown Prince Li Chengqian. One day, Li Shimin suddenly barges in, and Su Ye transforms into the emperor's teacher. Before he knows it, he's changed history and become an immortal legend of the Tang Dynasty...