Murim Song Gongmuwoneuro Saraganeun Beop

Yeon Woo-Hyeok is suddenly possessed by a Po-Kwai from the martial arts mystery game *The Great Revolutionary King's Great Pokai* and ends up in the game's world, where he becomes a civil servant. He discovers that the events he remembers from the game match exactly what is happening, allowing him to adjust and take on cases as a Po-Kwai. However, his ability, 'Young-An,' turns out to be an upper chamber opening, putting him at risk of death. As a Po-Kwai, he faces many challenges and must learn martial arts to become a strong master.