Obi-hwan, a late-year salesman of “Naru Corporation” who is hit by performance. One day, when he discovers an abandoned dungeon, he steps out as if he is drawn by something… [Guardian of Helon, inherits the will of Milanund] Awakening by attributing the inheritance from the guardian of another world! ‘But the weapon is a pickaxe? You can detect minerals and even dimension travel!?’