They're the ones who will look up at the sky and reach out their hands. The ones who will have the urge to jump as they look down at the depth of the abyss. Those who will take the first step without any hesitation as they look far off the edge of the horizon. Someone who will gaze at the Moon and dream of an adventure, dares to leave the Earth, and conquer every floating Dungeons. This is the story of their adventures. Those brave Adventurers, peculiar Magicians, valiant Knights, and proud Valkyries. Stories of Humans, Half-Race, and Demi-Humans along with their Sub-Spirits. Tales of Reincarnation and Dungeon along with their Dungeon Guardian. Their stories as they live their lives on Earth. Their stories as they traverse the sky from dungeon to dungeon. Their stories as they dream to reach the Moon. Their Days of Dungeons from Earth to Moon.