In a land, far from here, were monsters and magic exist, a minor kingdom faces several threats to it existence. The king, desperated for a way to preserve his kingdom, made something desperated, he tried to summon and bind a dungeon, to use it to protect his kingdom.

But something go wrong, dragon essence is accidentally poured in the forming dungeon crystal, and what was left was not a common dungeon, but a dungeon-dragon hybrid!

How our protagonist fare in such hostile world? Will he protect the kingdom? Or he shall chose a completely diferent path?