Ayano<span> is the heir to the house of </span><em>Kannagi</em><span>, a house with ties to the </span><em>Spirit of Fire</em><span> whose members are all fire users. All except for her cousin, </span>Kazuma<span>. After he was defeated by Ayano, his father banished him from the house in disgrace. Kazuma runs off and changes his surname to </span><em>Yagami</em><span>. He forms a contract with the </span><em>Spirit of Wind</em><span> and becomes a powerful wind user.</span> <span>Four years later, he returns. Some killings in the Kannagi house by a powerful wind user lead Ayano and the Kannagi house into thinking Kazuma is taking revenge. Although claiming to be innocent, Kazuma is preparing for an all out war with Kannagi.</span>