The Avatar Returns (Highschool DxD Harem x Male Reader)

Every 10,000 years, the planets align and The Spirit World and Earth become one, The Harmonic Convergence. When this event occurs, Earth and The Spirit World are changed drastically and create a new era that reigns until the next Convergence and this one is no different. Long ago humans had the ability to control and bend the four elements of the world, Water, Earth, Fire and Air to their will but during the last Convergence, this ability was taken away and replaced with magic, Devils and Fallen Angels. But when this Convergence undoes what was done 10,000 years ago and replaces Devils and Fallen Angels with Elemental Bending and reopens the portals between Earth and The Spirit World, only one person can bring balance to world that is spiraling into chaos and oppression, The Avatar