Alternative Name: Demon Instructor Returns;Demon Instructor's Return;The Demonic Cult Instructor Returns;帰還した魔教官;魔教官歸來;귀환마교관

Genre(s): Action Adventure Drama Fantasy Martial Arts Supernatural Webtoons

Demographic: Shounen

Summary:
The world is destroyed by a demon invasion and Bigang Sa is forced to serve in the demon army for centuries. After a failed human uprising, Bigang tr... MORE The world is destroyed by a demon invasion and Bigang Sa is forced to serve in the demon army for centuries. After a failed human uprising, Bigang transports himself back into his body, ten years before the arrival of the demons. Can he use his centuries of demon warrior training to create a new class of murim fighters powerful enough to ward off the coming invasion? HIDE