Heaven where God dwells. On earth, where demons dwell. And the world in between, where people live.... There are seven floating continents in the world between the continents. When the continents float down, many strong demons appear, and when the continents float up, no demons appear and people can enjoy a moment of peace and quiet. The driving force behind the floating continents was the "Wheel of Fortune" given by God. After 2,000 years, the "Wheel of Fate" begins to change. The time of inevitable destruction. One boy soars through the space between heaven and earth on blue wings...