Black Corporation: Joseon

A fanatic with an obsession for various domains, including military tactics and steampunk aesthetics, had been reincarnated. But this time, his father was none other than King Sejong the Great. A king with a penchant for mania and his eccentric, fanatical son. Together with the ministers and countless exploited subjects, the nights in Joseon remained illuminated by the relentless glow of overtime work.