The Demonic Supreme Sword
The Supreme Demon Swordmaster / The Greatest Sword of the Demonic Path / Madojeilgeom / 마도제일검 / The Supreme Demonic Sword / 魔道第一剣

After Sama Geon helps the Soaring Heaven Demonic Cult unite the land, he hopes to leave his sword behind and live an ordinary life with his family. He returns to his hometown, learns butchery, and starts a small business. When his younger sister falls ill, Sama Geon is forced to take up his sword again. The Soaring Heaven Demonic Cult now threatens the peaceful life he has built, and he must wield his blade once more to protect that peace.