Jinju Wan, an amnesiac A-rank demon hunter presumed dead, needs to battle cosmic horrors and navigate rivaling factions with guild politics in order to uncover the truth behind his disappearance and reclaim his life. Waking up in a high-tech room with half of his memories missing, he must escape and find out the truth about what exactly happened. The world is continuously threatened and terrorized by countless demons ever since the invention of inter-dimensional travel and the discovery of magic + heroes of all ages, races, shapes and dimensions. Demon hunting factions exist, but each with their own moral compass.