Evil reigns in the world, most of the human kingdoms are enslaved by the forces of darkness, - and those that remain are defending with their last strength. - People make up legends about ancient artifacts called "Onems". It is said that if you collect them all, - then you can gain complete control over the forces of darkness. - There are rumors that this is just a fairy tale to calm people down. - The witch Erina travels through the ancient abyss where all the monsters are rumored to come from. - The old witches convinced her that the "onem" legend was not just a legend. On her way, - she will have to meet a lot of monsters and just bad people... - But the witch does not yet suspect that something is wrong with her...