Zen Clover, an ordinary adventurer striving to clear the last "Dungeon" in the world of Fernland. Everything changes for him after he meets an elven girl by the name of Luna Historia, a fellow adventurer. The two of them met the day Zen was near fatality in the fourth floor of the dungeon. Ever since Luna saved him, a bit of romantic feelings dwells inside the heart of our main character Zen Clover. Will Zen be able to clear all the dungeons? Or will he perish before that dream becomes reality?