Legend has it that this world has a magical quality that attracts broken world fragments to strengthen itself. It may be a piece of architecture, a region, or a piece of history. These are called the cage of the earth in this world, that is, the dungeon. Wealth, power, power, everything Everything you need can be obtained in the endless exploration of the dungeon. Life, emotion, freedom, everything is the price to pay for exploring the dungeon. Kane looked at the 'Book of Adventure' that appeared in front of him, opened it and looked at it , isn't this the game system? He knew that he was about to take off.