"Our souls are intertwined within the sky above us. That is why we are called Ethers. Our siblings enhance the powers of god in order to make up for their lack of a soul. While we use their soul they left us to harness the ropes above us in the sky, creating our abilities named: Soul Bonds."Imagine, as I was, 

sitting down, thinking of one of my favorite shows, when I got inspiration from a certain aspect of it. Then applying it to a story I wished to flush out into the world.