Alk and Lily live in the town of Elwood, located on the outskirts of the Great Dungeon of Dagonalia, working as guild receptionists. However, their peaceful life is shaken when a mysterious monster known as the "Goblin Queen" attacks the town. Though knights are dispatched from the royal capital to hunt down the monsters, their whereabouts soon become unknown, plunging the town into deeper chaos. Will Alk rise up and wield his sword for everyone's sake? And what is the true feeling that Lily holds? A unique fantasy filled with darkness and love begins.