The Demon King's Friend

"Today, every demonkind in the world will disappear." The ‘Continental Demon-Sealing Formation,’ humanity’s final card to end the 100-year war against the demonkind. The hero Part and imperial mage Noah, dispatched to complete this mission. Together with Roro, a young shepherd boy they met at their final destination, they finally stand on the verge of completing the great plan. And on that day, everything was turned upside down. Original Webtoon: Naver Webtoon, Naver Series