Arc and Lily work as guild receptionists in the quiet town of Elwood, nestled on the edge of the Great Dungeon of Dagonalia. But when a mysterious threat known as the "Goblin Queen" attacks and the knights sent to stop her vanish without a trace, chaos descends on the town. As danger looms, Arc must decide whether to take up his sword once more—and uncover the truth behind Lily's hidden feelings.