Zhang San in the Great Tang

A young special forces officer unexpectedly transmigrates to the Tang Dynasty while on a mission. Drawing on modern knowledge, he rises step by step to become the Tang Empire’s foremost duke and helps Li Shimin vigorously develop the economy and military. This marks the beginning of a long campaign of expansion abroad, as they build a unified, prosperous Tang utopia stretching across Eurasia, where the people enjoy three exemptions.