Ten to Chi to Hazama no Sekai Yelatiam

Heaven, where gods dwell. Earth, where demons dwell. And people live in the world in between. There were seven floating continents. When a continent falls, demons appear and become stronger, and when a continent rises, no demons appear and one can enjoy a moment of peace and tranquility. The Wheel of Fortune, given by the gods, is responsible for a continent's levitation. After 2,000 years, the Wheel of Fortune begins to change. The time for inevitable destruction, One boy soars through the space between heaven and earth on blue wings...

(Source: Hifumi Shobo, translated)