The Joseon Military Officer Who Established Balhae

Introduction to the Work: At the moment of death, a genius engineering student awakens as Tae-geon, a military officer escorting the Joseon Tongsinsa, traveling back in time. Having become Tae-geon, he establishes ‘Balhae’ amidst the vortex of the Imjin War. The world calls this nation ‘Later Balhae.’