After discover Aqua found out that her mother use to be human and innoncet but she had became Devil and fall in with love with Higher devil after behind her back when her father death. Aqua was heartbroken and anger at same time want to hate devil and other things she had really got her hearts break that Akeno himejima was Aqua childhood friend they use playing around all the time with Aqua's father and akeno parents after akeno mother died akeno's blame on her father and Aqua for not protect her mother. Aqua found out that she is half angle and half human cause of her father is stronger angle. And she had the power of light that should beat devils will Aqua use for good fight with devils or not?