"How can I, who only have a Taekwondo Dan’s certificate, unify the martial arts…?” The Murim Alliance, representing the political faction, and the Demon Cult led by Cheonma are in conflict. The protagonist, who is a job seeker, becomes possessed by the Heavenly Demon of the Demonic Cult, and the Murim League devises a plan to gain peace in the martial arts world by breaking the Heavenly Demon's power. Namgung Jin of the Namgung family steps forward as a volunteer...